Weather in Manhattan, New York for September 2026
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So far, September 2026 in Manhattan is slightly warmer than the historical average by 0.9 °F.
Expect cooler weather in the next days in Manhattan with the forecast suggesting a temperature of 25.6 °F, lower than the historical average.
In general, the average temperature in Manhattan at the beginning of September is 28.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.6 °F by the end of September.
Manhattan experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 223.4 mm.
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Manhattan Weather September
Temperatures trend during September in Manhattan
September weather in Manhattan day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 28° /18° | 20.5 mm | 5 | |
| Sept. 2 |  Overcast | 27° /18° | 0.1 mm | 5 | |
| Sept. 3 |  Partly cloudy | 28° /17° | 0.9 mm | 5 | |
| Sept. 4 | Sunny | 29° /19° | 0 mm | 7 | |
| Sept. 5 | Sunny | 30° /20° | 10.9 mm | 8 | |
| Sept. 6 | Partly cloudy | 30° /20° | 18.3 mm | 7 | |
| Sept. 7 |  Thundery outbreaks possible | 26° /16° | 24.5 mm | 6 | |
| Sept. 8 | Sunny | 27° /15° | 0.8 mm | 6 | |
| Sept. 9 |  Light rain shower | 27° /17° | 1.9 mm | 5 | |
| Sept. 10 | Patchy rain possible | 35° /22° | 9.8 mm | 7 | |
| Sept. 11 | Overcast | 29° /21° | 0 mm | 5.7 | |
| Sept. 12 | Sunny | 26° /18° | 0 mm | 6.3 | |
| Sept. 13 | Overcast | 26° /22° | 0.2 mm | 5.7 | |
| Sept. 14 | Overcast | 28° /22° | 0.1 mm | 6 | |
| Sept. 15 | Sunny | 25° /21° | 0.3 mm | 6 | |
| Sept. 16 | Sunny | 31° /22° | 4 mm | 8 | |
| Sept. 17 | Sunny | 27° /17° | 20.9 mm | 7 | |
| Sept. 18 | Sunny | 23° /15° | 3.6 mm | 6 | |
| Sept. 19 | Sunny | 20° /12° | 0 mm | 6 | |
| Sept. 20 | Sunny | 20° /13° | 0 mm | 6 | |
| Sept. 21 | Sunny | 21° /13° | 0 mm | 6 | |
| Sept. 22 | Overcast | 23° /16° | 0 mm | 6 | |
| Sept. 23 | Sunny | 24° /17° | 0 mm | 6 | |
| Sept. 24 | Light rain shower | 21° /15° | 2 mm | 5 | |
| Sept. 25 |  Moderate rain | 20° /16° | 32.3 mm | 4 | |
| Sept. 26 | Patchy rain possible | 24° /16° | 17.9 mm | 6 | |
| Sept. 27 |  Cloudy | 23° /15° | 5.8 mm | 5 | |
| Sept. 28 | Overcast | 22° /16° | 22.6 mm | 5 | |
| Sept. 29 |  Moderate or heavy rain shower | 20° /15° | 15.5 mm | 5 | |
| Sept. 30 | Light rain shower | 21° /15° | 5.4 mm | 4 | |
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Manhattan in September - FAQ
What are the expected maximum and minimum temperatures in Manhattan during September?
How much rainfall should be expected in Manhattan during September?
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September rainfall patterns in Manhattan
UV exposure in Manhattan during September
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