Rochester Weather: September
 |
Average Day Temperature: | 72.9°F |
|
Average Night Temperature: | 59.7°F |
|
Sea Water Temperature: | 71.5°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 11.8 - 13.2 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 0.7 in | |
| detailed information | ||
forecast
| Rochester |
Temperature
| Rochester |
Air Temperature in September, °F
The highest day temperature in September 2026 was 82°F. The lowest night temperature was 53°F. The average values for day and night temperatures during September were 70.9°F и 61.7°F respectivly.
Rochester Water Sea Temperature in September, °F
The average sea surface temperature in September 2026 for Rochester was 70.9°F. The maximum and minimum values were 57.0°F and 74.4°F respectively.
You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Rochester is 0.7 in. It makes september the least rainy month of the year.
The average wind speed in September is 7.7 mph. It makes September one of the most windless months of the year for Rochester.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rochester in September is 7.3 hours.
Rochester on the Weather Map
| Boston |  |
+52 |
| Chicago | |
+58 |
| Hawaii | |
+80 |
| Houston |  |
+82 |
| Las Vegas | |
+82 |
| Los Angeles | |
+96 |
| Maui | |
+72 |
| Miami |  |
+86 |
| Myrtle Beach | |
+68 |
| New York | |
+56 |
| San Diego | |
+86 |
| San Francisco | |
+66 |
| Santa Monica | |
+88 |
| Sarasota | |
+80 |
| Washington | |
+58 |
| 0300 |  |
50°F | SE 17 mph |
| 0600 | |
48°F | SE 14 mph |
| 0900 |  |
50°F | SE 14 mph |
| 1200 | |
52°F | SE 11 mph |
| 1500 | |
54°F | SE 8 mph |
| 1800 | |
52°F | SE 4 mph |
| 2100 | |
52°F | N 8 mph |
| 0000 | |
50°F | N 11 mph |