Manhattan
September
Weather in Manhattan for September 2025
Your guide to Manhattan weather in September - trends and predictions
In general, the average temperature in Manhattan at the beginning of September is 29 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.6 °F by the end of September.
Manhattan in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 183.3 mm.
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Temperatures
Rain 🌧️
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13
Dry days
17
Rainy days
0
Snow days
24°/17°
Temperatures
18 km/h
Avg max wind
66 %
Avg humidity
Manhattan in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  28° | 3 29° | 4 30° | 5 30° | 6 30° | 7  29° |
| 8  26° | 9 28° | 10 27° | 11 28° | 12  27° | 13  26° | 14 26° |
| 15  24° | 16 25° | 17  23° | 18 21° | 19  23° | 20 23° | 21 24° |
| 22 23° | 23  19° | 24 19° | 25  18° | 26 22° | 27 21° | 28 21° |
| 29 17° | 30 19° |
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Temperatures trend during September in Manhattan
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 | Sunny | 27° /18° | 2.5 mm | 7 | |
| Sept. 2 | Partly cloudy | 28° /17° | 0 mm | 7 | |
| Sept. 3 | Partly cloudy | 29° /17° | 0 mm | 7 | |
| Sept. 4 | Partly cloudy | 30° /20° | 0 mm | 8 | |
| Sept. 5 | Partly cloudy | 30° /21° | 0.1 mm | 8 | |
| Sept. 6 | Partly cloudy | 30° /21° | 0 mm | 7 | |
| Sept. 7 | Thundery outbreaks possible | 29° /20° | 4.5 mm | 7 | |
| Sept. 8 | Light rain shower | 26° /17° | 1.5 mm | 7 | |
| Sept. 9 | Light rain shower | 28° /19° | 3.8 mm | 7 | |
| Sept. 10 | Light rain shower | 27° /20° | 2.3 mm | 7 | |
| Sept. 11 | Light rain shower | 28° /19° | 1.1 mm | 7 | |
| Sept. 12 | Cloudy | 27° /18° | 0 mm | 7 | |
| Sept. 13 | Moderate or heavy rain shower | 26° /17° | 15.9 mm | 6 | |
| Sept. 14 | Cloudy | 26° /18° | 0 mm | 6 | |
| Sept. 15 | Overcast | 24° /16° | 0 mm | 6 | |
| Sept. 16 | Overcast | 25° /16° | 0 mm | 6 | |
| Sept. 17 | Light drizzle | 23° /15° | 0.6 mm | 6 | |
| Sept. 18 | Light rain shower | 21° /17° | 14 mm | 5 | |
| Sept. 19 | Fog | 23° /16° | 4.6 mm | 5 | |
| Sept. 20 | Sunny | 23° /15° | 2.4 mm | 6 | |
| Sept. 21 | Partly cloudy | 24° /15° | 0 mm | 6 | |
| Sept. 22 | Mist | 23° /14° | 0 mm | 6 | |
| Sept. 23 | Heavy rain | 19° /14° | 23.8 mm | 5 | |
| Sept. 24 | Light rain shower | 19° /14° | 3 mm | 5 | |
| Sept. 25 | Moderate rain | 18° /15° | 37.7 mm | 4 | |
| Sept. 26 | Patchy rain possible | 22° /15° | 25.4 mm | 5 | |
| Sept. 27 | Cloudy | 21° /14° | 8.7 mm | 5 | |
| Sept. 28 | Overcast | 21° /15° | 0 mm | 5 | |
| Sept. 29 | Moderate or heavy rain shower | 17° /15° | 23.2 mm | 4 | |
| Sept. 30 | Light rain shower | 19° /14° | 8.1 mm | 4 | |
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Important Notice
Our weather forecast for Manhattan 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 Manhattan forecast closer to your planned date for the most up-to-date weather information.
Manhattan in September - FAQ
What are the expected maximum and minimum temperatures in Manhattan during September?
During September, expect a variety of temperatures with highs around 24° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Manhattan during September?
Significant rainfall exceeding 183.3 mm is expected in Manhattan during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Manhattan during September?
The average wind speed in Manhattan during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Manhattan
Explore the daily rainfall trends and prepare for Manhattans September weather 💧
UV exposure in Manhattan during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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