Monthly Statistics in Rochester for September 2009

 September 2009  HighLowAverage
Temperature 82.2 °F (21-15:43) 40.3 °F (26-5:27) 61.3 °F
Dew Point 69.8 °F (9-10:42) 32.0 °F (30-17:30) 48.9 °F
Humidity 100 % (14-8:33) 23 % (20-15:58) 66.9 %
Wind Speed 17.00 mph West (28-12:42) - -
Wind Gust 24.15 mph West (28-12:41) - -
Wind - - SW
Pressure 30.38 in (6-9:22) 29.20 in (28-12:36) 30.07 in
Precipitation Total: 2.237 in
Max Rate: 1.456 in/hr (28-14:50)
- -
 
 9/30/2009  HighLowAverage
Temperature 49.8 °F (15:36) 45.3 °F (23:59) 47.2 °F
Dew Point 39.2 °F (1:51) 32.0 °F (17:30) 34.5 °F
Humidity 74 % (20:33) 50 % (16:53) 61.4 %
Wind Speed 5.36 mph West (15:03) - -
Wind Gust 8.72 mph West (3:05) - -
Wind - - West
Pressure 29.97 in (21:07) 29.73 in (1:21) 29.88 in
Precipitation Total: 0.000 in - -
 
 9/29/2009  HighLowAverage
Temperature 62.6 °F (13:00) 48.4 °F (23:59) 54 °F
Dew Point 53.6 °F (9:31) 37.4 °F (23:59) 46.3 °F
Humidity 100 % (9:31) 44 % (13:36) 76.9 %
Wind Speed 10.51 mph West (10:03) - -
Wind Gust 18.34 mph West (10:02) - -
Wind - - West
Pressure 29.73 in (23:37) 29.29 in (9:06) 29.43 in
Precipitation Total: 0.457 in
Max Rate: 0.314 in/hr (8:36)
- -
 
 9/28/2009  HighLowAverage
Temperature 66.2 °F (12:39) 52.0 °F (23:59) 56.5 °F
Dew Point 60.8 °F (12:08) 39.2 °F (17:12) 50.6 °F
Humidity 97 % (1:53) 44 % (15:38) 82.4 %
Wind Speed 17.00 mph West (12:42) - -
Wind Gust 24.15 mph West (12:41) - -
Wind - - SW
Pressure 29.52 in (0:00) 29.20 in (12:36) 29.35 in
Precipitation Total: 0.744 in
Max Rate: 1.456 in/hr (14:50)
- -
 
 9/27/2009  HighLowAverage
Temperature 66.6 °F (16:14) 55.4 °F (1:19) 59.4 °F
Dew Point 64.4 °F (15:44) 53.6 °F (23:52) 56.5 °F
Humidity 97 % (5:31) 72 % (17:58) 90.6 %
Wind Speed 6.26 mph West (22:38) - -
Wind Gust 10.06 mph West (22:42) - -
Wind - - SW
Pressure 29.79 in (0:00) 29.49 in (18:21) 29.59 in
Precipitation Total: 0.500 in
Max Rate: 0.275 in/hr (0:57)
- -
 
 9/26/2009  HighLowAverage
Temperature 66.7 °F (13:02) 40.3 °F (5:27) 53.7 °F
Dew Point 53.6 °F (9:21) 35.6 °F (5:36) 43.3 °F
Humidity 95 % (21:35) 39 % (13:11) 71.1 %
Wind Speed 7.15 mph NW (13:05) - -
Wind Gust 13.64 mph West (13:04) - -
Wind - - SE
Pressure 30.32 in (0:00) 29.79 in (23:59) 30.06 in
Precipitation Total: 0.453 in
Max Rate: 0.196 in/hr (23:45)
- -
 
 9/25/2009  HighLowAverage
Temperature 60.6 °F (14:03) 46.0 °F (23:59) 54.8 °F
Dew Point 51.8 °F (4:40) 32.0 °F (20:45) 40.2 °F
Humidity 85 % (4:30) 38 % (14:49) 59.1 %
Wind Speed 4.92 mph SE (17:33) - -
Wind Gust 8.72 mph NE (8:33) - -
Wind - - SE
Pressure 30.35 in (9:52) 30.17 in (2:21) 30.28 in
Precipitation Total: 0.000 in - -
 
 9/24/2009  HighLowAverage
Temperature 73.0 °F (14:00) 56.8 °F (23:59) 65.8 °F
Dew Point 62.6 °F (0:00) 37.4 °F (18:42) 49.3 °F
Humidity 90 % (5:42) 32 % (17:57) 58.9 %
Wind Speed 3.57 mph East (11:11) - -
Wind Gust 5.36 mph NE (11:10) - -
Wind - - West
Pressure 30.17 in (23:52) 30.03 in (1:51) 30.09 in
Precipitation Total: 0.000 in - -
 
 9/23/2009  HighLowAverage
Temperature 78.6 °F (17:36) 66.6 °F (3:53) 71.2 °F
Dew Point 66.2 °F (12:24) 59.0 °F (17:59) 62.6 °F
Humidity 92 % (1:07) 52 % (17:48) 75.3 %
Wind Speed 11.85 mph West (15:48) - -
Wind Gust 16.77 mph West (15:35) - -
Wind - - West
Pressure 30.08 in (0:00) 29.94 in (18:07) 30.02 in
Precipitation Total: 0.000 in - -
 
 9/22/2009  HighLowAverage
Temperature 74.8 °F (17:22) 64.4 °F (7:36) 68.7 °F
Dew Point 66.2 °F (13:18) 59.0 °F (12:07) 62.2 °F
Humidity 97 % (8:28) 64 % (18:18) 80.3 %
Wind Speed 4.92 mph South (15:06) - -
Wind Gust 8.72 mph NW (15:49) - -
Wind - - West
Pressure 30.17 in (9:22) 30.08 in (23:59) 30.12 in
Precipitation Total: 0.083 in - -
 
 9/21/2009  HighLowAverage
Temperature 82.2 °F (15:43) 52.0 °F (5:03) 66 °F
Dew Point 64.4 °F (9:27) 46.4 °F (13:59) 53.7 °F
Humidity 97 % (8:03) 31 % (13:59) 68.6 %
Wind Speed 8.05 mph West (19:58) - -
Wind Gust 12.75 mph West (19:57) - -
Wind - - South
Pressure 30.17 in (0:00) 30.08 in (18:36) 30.13 in
Precipitation Total: 0.000 in - -
 
 9/20/2009  HighLowAverage
Temperature 75.9 °F (15:52) 40.3 °F (7:05) 56.3 °F
Dew Point 48.2 °F (9:05) 35.6 °F (15:59) 40.5 °F
Humidity 97 % (8:51) 23 % (15:58) 61 %
Wind Speed 4.02 mph East (13:46) - -
Wind Gust 6.26 mph NE (13:37) - -
Wind - - South
Pressure 30.32 in (2:21) 30.17 in (23:59) 30.24 in
Precipitation Total: 0.000 in - -
 
 9/19/2009  HighLowAverage
Temperature 65.7 °F (14:41) 41.9 °F (7:41) 53.1 °F
Dew Point 46.4 °F (8:47) 32.0 °F (21:10) 34.7 °F
Humidity 79 % (7:16) 32 % (13:44) 51.6 %
Wind Speed 3.80 mph East (12:29) - -
Wind Gust 5.81 mph SW (14:12) - -
Wind - - West
Pressure 30.35 in (9:07) 30.23 in (0:36) 30.3 in
Precipitation Total: 0.000 in - -
 
 9/18/2009  HighLowAverage
Temperature 69.4 °F (15:42) 50.7 °F (6:53) 58.9 °F
Dew Point 57.2 °F (8:54) 33.8 °F (23:59) 45.6 °F
Humidity 100 % (7:06) 36 % (19:04) 65.4 %
Wind Speed 8.76 mph West (10:02) - -
Wind Gust 17.00 mph West (13:35) - -
Wind - - West
Pressure 30.23 in (23:37) 30.00 in (10:51) 30.06 in
Precipitation Total: 0.000 in - -
 
 9/17/2009  HighLowAverage
Temperature 69.6 °F (15:07) 47.3 °F (7:10) 58.8 °F
Dew Point 57.2 °F (9:59) 41.0 °F (1:24) 46.3 °F
Humidity 91 % (8:40) 42 % (13:24) 65.2 %
Wind Speed 5.81 mph West (11:18) - -
Wind Gust 8.72 mph West (11:17) - -
Wind - - SW
Pressure 30.26 in (0:00) 30.08 in (23:59) 30.17 in
Precipitation Total: 0.000 in - -
 
 9/16/2009  HighLowAverage
Temperature 64.9 °F (13:07) 52.3 °F (4:41) 58.8 °F
Dew Point 55.4 °F (9:04) 41.0 °F (20:07) 44.9 °F
Humidity 91 % (9:04) 44 % (17:54) 61.2 %
Wind Speed 5.45 mph East (16:47) - -
Wind Gust 8.72 mph East (14:50) - -
Wind - - East
Pressure 30.29 in (20:22) 30.14 in (0:51) 30.23 in
Precipitation Total: 0.000 in - -
 
 9/15/2009  HighLowAverage
Temperature 70.2 °F (13:57) 57.0 °F (23:59) 63.4 °F
Dew Point 64.4 °F (9:31) 41.0 °F (23:58) 51.8 °F
Humidity 97 % (5:45) 42 % (17:40) 69.2 %
Wind Speed 4.25 mph West (2:39) - -
Wind Gust 6.26 mph West (2:38) - -
Wind - - South
Pressure 30.14 in (22:52) 29.88 in (3:21) 29.99 in
Precipitation Total: 0.000 in - -
 
 9/14/2009  HighLowAverage
Temperature 74.5 °F (17:28) 55.6 °F (7:46) 64.4 °F
Dew Point 60.8 °F (9:19) 46.4 °F (16:54) 54 °F
Humidity 100 % (8:33) 38 % (16:54) 72.6 %
Wind Speed 7.04 mph West (10:13) - -
Wind Gust 12.75 mph West (15:31) - -
Wind - - West
Pressure 30.00 in (7:38) 29.88 in (22:36) 29.94 in
Precipitation Total: 0.000 in - -
 
 9/13/2009  HighLowAverage
Temperature 74.1 °F (17:02) 54.0 °F (6:57) 63.3 °F
Dew Point 60.8 °F (15:06) 48.2 °F (20:29) 52.1 °F
Humidity 97 % (8:03) 40 % (17:22) 68.6 %
Wind Speed 6.48 mph West (9:01) - -
Wind Gust 8.72 mph West (8:36) - -
Wind - - West
Pressure 30.03 in (0:37) 29.94 in (19:36) 29.98 in
Precipitation Total: 0.000 in - -
 
 9/12/2009  HighLowAverage
Temperature 71.4 °F (16:17) 58.8 °F (23:59) 63.6 °F
Dew Point 62.6 °F (11:44) 46.4 °F (23:49) 52.3 °F
Humidity 90 % (11:44) 49 % (18:22) 67.5 %
Wind Speed 4.20 mph East (2:07) - -
Wind Gust 5.81 mph NE (11:46) - -
Wind - - SW
Pressure 30.11 in (0:00) 30.00 in (23:59) 30.05 in
Precipitation Total: 0.000 in - -
 
 9/11/2009  HighLowAverage
Temperature 69.8 °F (13:31) 51.3 °F (6:17) 60.9 °F
Dew Point 51.8 °F (8:31) 37.4 °F (16:46) 44.9 °F
Humidity 85 % (7:24) 34 % (16:46) 58.3 %
Wind Speed 3.91 mph SE (14:49) - -
Wind Gust 7.60 mph South (14:59) - -
Wind - - SE
Pressure 30.32 in (0:00) 30.11 in (23:59) 30.24 in
Precipitation Total: 0.000 in - -
 
 9/10/2009  HighLowAverage
Temperature 73.4 °F (13:45) 52.7 °F (7:27) 62.4 °F
Dew Point 60.8 °F (9:26) 32.0 °F (15:29) 44.6 °F
Humidity 91 % (6:42) 24 % (15:27) 56.7 %
Wind Speed 5.36 mph East (16:52) - -
Wind Gust 10.96 mph East (17:45) - -
Wind - - East
Pressure 30.38 in (7:37) 30.26 in (2:21) 30.34 in
Precipitation Total: 0.000 in - -
 
 9/9/2009  HighLowAverage
Temperature 76.1 °F (13:26) 58.1 °F (7:30) 66 °F
Dew Point 69.8 °F (10:42) 42.8 °F (20:37) 54.6 °F
Humidity 98 % (10:09) 37 % (18:49) 70.1 %
Wind Speed 3.57 mph SW (12:32) - -
Wind Gust 7.60 mph SE (18:34) - -
Wind - - East
Pressure 30.26 in (21:07) 30.11 in (4:20) 30.18 in
Precipitation Total: 0.000 in - -
 
 9/8/2009  HighLowAverage
Temperature 79.2 °F (14:30) 59.9 °F (7:08) 67.7 °F
Dew Point 64.4 °F (9:23) 50.0 °F (13:53) 57.1 °F
Humidity 97 % (8:20) 39 % (14:33) 71.5 %
Wind Speed 3.48 mph SE (13:45) - -
Wind Gust 5.81 mph SE (13:44) - -
Wind - - South
Pressure 30.14 in (7:52) 30.06 in (18:06) 30.1 in
Precipitation Total: 0.000 in - -
 
 9/7/2009  HighLowAverage
Temperature 78.6 °F (15:18) 54.7 °F (6:54) 65.9 °F
Dew Point 62.6 °F (9:29) 46.4 °F (0:50) 54.1 °F
Humidity 91 % (7:38) 41 % (13:33) 67.9 %
Wind Speed 7.00 mph NW (16:19) - -
Wind Gust 10.51 mph West (16:28) - -
Wind - - South
Pressure 30.23 in (0:00) 30.11 in (23:59) 30.16 in
Precipitation Total: 0.000 in - -
 
 9/6/2009  HighLowAverage
Temperature 74.7 °F (14:12) 55.8 °F (7:39) 64.3 °F
Dew Point 62.6 °F (8:57) 41.0 °F (19:05) 47.5 °F
Humidity 97 % (7:57) 31 % (14:18) 59.2 %
Wind Speed 6.03 mph East (13:19) - -
Wind Gust 10.06 mph SE (12:43) - -
Wind - - East
Pressure 30.38 in (9:22) 30.23 in (23:59) 30.3 in
Precipitation Total: 0.000 in - -
 
 9/5/2009  HighLowAverage
Temperature 78.1 °F (13:44) 53.4 °F (7:05) 64.1 °F
Dew Point 59.0 °F (8:57) 46.4 °F (21:26) 52.1 °F
Humidity 97 % (4:34) 40 % (13:48) 67.8 %
Wind Speed 4.56 mph West (9:58) - -
Wind Gust 7.60 mph West (9:51) - -
Wind - - SW
Pressure 30.29 in (23:52) 30.11 in (3:06) 30.19 in
Precipitation Total: 0.000 in - -
 
 9/4/2009  HighLowAverage
Temperature 78.4 °F (15:55) 53.6 °F (7:03) 64.9 °F
Dew Point 60.8 °F (9:16) 41.0 °F (19:24) 49.1 °F
Humidity 97 % (7:46) 31 % (17:44) 61.7 %
Wind Speed 5.03 mph West (12:25) - -
Wind Gust 6.71 mph West (12:23) - -
Wind - - NW
Pressure 30.11 in (7:08) 30.08 in (20:51) 30.09 in
Precipitation Total: 0.000 in - -
 
 9/3/2009  HighLowAverage
Temperature 79.2 °F (16:07) 53.1 °F (7:21) 64.9 °F
Dew Point 57.2 °F (8:44) 44.6 °F (19:44) 49.8 °F
Humidity 97 % (8:00) 31 % (13:41) 62.9 %
Wind Speed 4.25 mph SW (13:53) - -
Wind Gust 5.81 mph West (13:34) - -
Wind - - SW
Pressure 30.20 in (0:00) 30.08 in (23:59) 30.14 in
Precipitation Total: 0.000 in - -
 
 9/2/2009  HighLowAverage
Temperature 77.2 °F (16:38) 50.4 °F (7:03) 62.3 °F
Dew Point 59.0 °F (9:26) 39.2 °F (11:53) 46.8 °F
Humidity 97 % (7:21) 29 % (16:35) 61.9 %
Wind Speed 5.03 mph West (12:49) - -
Wind Gust 7.15 mph West (12:51) - -
Wind - - SW
Pressure 30.35 in (7:36) 30.20 in (23:59) 30.28 in
Precipitation Total: 0.000 in - -
 
 9/1/2009  HighLowAverage
Temperature 73.0 °F (14:02) 47.1 °F (7:06) 59.2 °F
Dew Point 51.8 °F (8:42) 39.2 °F (13:25) 44.6 °F
Humidity 97 % (6:00) 32 % (15:28) 63.2 %
Wind Speed 5.36 mph SW (15:28) - -
Wind Gust 8.72 mph SW (15:27) - -
Wind - - West
Pressure 30.35 in (8:37) 30.26 in (4:36) 30.3 in
Precipitation Total: 0.000 in - -