East Hampton
September
Weather in East Hampton for September 2025
Your guide to East Hampton weather in September - trends and predictions
In general, the average temperature in East Hampton at the beginning of September is 28.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.7 °F by the end of September.
The climate of East Hampton in September is notably wet, with an average of 12 rainy days.
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18
Dry days
12
Rainy days
0
Snow days
27°/20°
Temperatures
24 km/h
Avg max wind
71 %
Avg humidity
East Hampton in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  26° | 3 28° | 4  29° | 5 30° | 6  29° | 7 29° |
| 8 27° | 9  26° | 10 28° | 11 27° | 12  27° | 13  26° | 14 26° |
| 15 25° | 16 26° | 17  26° | 18 23° | 19 24° | 20 28° | 21 26° |
| 22 23° | 23 25° | 24 23° | 25 25° | 26 23° | 27 22° | 28  27° |
| 29 24° | 30 22° |
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Temperatures trend during September in East Hampton
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Overcast | 28° /22° | 3.7 mm | 6 | |
| Sept. 2 | Sunny | 26° /21° | 8.5 mm | 6 | |
| Sept. 3 | Overcast | 28° /19° | 0 mm | 6 | |
| Sept. 4 | Thundery outbreaks possible | 29° /22° | 0.2 mm | 6 | |
| Sept. 5 | Sunny | 30° /24° | 0.1 mm | 7 | |
| Sept. 6 | Partly cloudy | 29° /23° | 0.2 mm | 7 | |
| Sept. 7 | Thundery outbreaks possible | 29° /22° | 0.6 mm | 6 | |
| Sept. 8 | Thundery outbreaks possible | 27° /20° | 0 mm | 7 | |
| Sept. 9 | Light rain shower | 26° /20° | 2.2 mm | 6 | |
| Sept. 10 | Light rain shower | 28° /20° | 2.3 mm | 7 | |
| Sept. 11 | Light rain shower | 27° /20° | 0.8 mm | 6 | |
| Sept. 12 | Mist | 27° /21° | 0 mm | 6 | |
| Sept. 13 | Moderate or heavy rain shower | 26° /22° | 4.8 mm | 6 | |
| Sept. 14 | Partly cloudy | 26° /22° | 0.1 mm | 6 | |
| Sept. 15 | Sunny | 25° /20° | 0.1 mm | 6 | |
| Sept. 16 | Sunny | 26° /18° | 25.9 mm | 6 | |
| Sept. 17 | Cloudy | 26° /21° | 30 mm | 6 | |
| Sept. 18 | Light rain shower | 23° /19° | 25.4 mm | 5 | |
| Sept. 19 | Sunny | 24° /18° | 0 mm | 6 | |
| Sept. 20 | Cloudy | 28° /19° | 0 mm | 7 | |
| Sept. 21 | Overcast | 26° /19° | 0 mm | 6 | |
| Sept. 22 | Light rain shower | 23° /19° | 7.5 mm | 5 | |
| Sept. 23 | Moderate or heavy rain shower | 25° /17° | 32.7 mm | 6 | |
| Sept. 24 | Patchy rain possible | 23° /18° | 1 mm | 5 | |
| Sept. 25 | Patchy rain possible | 25° /18° | 2.3 mm | 6 | |
| Sept. 26 | Light rain shower | 23° /20° | 16.6 mm | 6 | |
| Sept. 27 | Moderate or heavy rain shower | 22° /19° | 6 mm | 5 | |
| Sept. 28 | Light rain | 27° /21° | 4.3 mm | 6 | |
| Sept. 29 | Patchy rain possible | 24° /20° | 0.1 mm | 6 | |
| Sept. 30 | Patchy rain possible | 22° /19° | 1.9 mm | 5 | |
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Important Notice
Our weather forecast for East Hampton in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the East Hampton forecast closer to your planned date for the most up-to-date weather information.
East Hampton in September - FAQ
What are the expected maximum and minimum temperatures in East Hampton during September?
During September, expect a variety of temperatures with highs around 27° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in East Hampton during September?
Significant rainfall exceeding 166.4 mm is expected in East Hampton during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in East Hampton during September?
The average wind speed in East Hampton during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in East Hampton
Explore the daily rainfall trends and prepare for East Hamptons September weather 💧
UV exposure in East Hampton during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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