Stonington Weather: September
 |
Average Day Temperature: | 73.9°F |
|
Average Night Temperature: | 62.0°F |
|
Sea Water Temperature: | 70.2°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 11.8 - 13.1 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.3 in | |
| detailed information | ||
forecast
| Stonington |
Temperature
| Stonington |
Air Temperature in September, °F
| Day Temperature | Night Temperature |
The highest day temperature in September 2024 was 78°F. The lowest night temperature was 55°F. The average values for day and night temperatures during September were 71.2°F и 61.5°F respectivly.
Stonington Water Sea Temperature in September, °F
The average sea surface temperature in September 2024 for Stonington was 68.3°F. The maximum and minimum values were 64.6°F and 71.0°F respectively.
| Sunny days | |
| Cloudy days | |
| Gloomy days |
Most of the days in September are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Stonington is 1.3 in.
The average wind speed in September is 7.6 mph. It makes September one of the most windless months of the year for Stonington.
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 Stonington in September is 7.5 hours.
Stonington on the Weather Map
| Boston |  |
+42 |
| Chicago |  |
+56 |
| Hawaii |  |
+76 |
| Honolulu | |
+76 |
| Houston | |
+74 |
| Las Vegas | |
+52 |
| Los Angeles | |
+54 |
| Miami | |
+76 |
| New York | |
+46 |
| Orlando | |
+68 |
| San Diego | |
+60 |
| San Francisco | |
+52 |
| Sarasota | |
+62 |
| Tampa | |
+66 |
| Washington | |
+48 |
| 0600 |  |
42°F | SE 3 mph |
| 0900 |  |
50°F | NE 6 mph |
| 1200 |  |
58°F | NE 11 mph |
| 1500 | |
60°F | NE 15 mph |
| 1800 |  |
54°F | NE 14 mph |
| 2100 | |
50°F | NE 14 mph |
| 0000 |  |
50°F | NE 12 mph |
| 0300 | |
50°F | NE 12 mph |