Weather in Staten Island, New York for September 2025
Until now, September 2025 in Staten Island is cooler than usual, with temperatures averaging 24.3 °F, this is -2.4 °F below the typical seasonal average.
Expect cooler weather in the next days in Staten Island with the forecast suggesting a temperature of 24.7 °F, lower than the historical average.
In general, the average temperature in Staten Island at the beginning of September is 27.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.9 °F by the end of September.
Staten Island in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 156.7 mm.
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Staten Island Weather September
Temperatures trend during September in Staten Island
September weather in Staten Island day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 26° /18° | 1.4 mm | 6 | |
| Sept. 2 |  Partly cloudy | 28° /17° | 0 mm | 7 | |
| Sept. 3 | Sunny | 26° /16° | 0 mm | 6 | |
| Sept. 4 | Partly cloudy | 28° /18° | 0 mm | 7 | |
| Sept. 5 | Partly cloudy | 29° /20° | 13.6 mm | 7 | |
| Sept. 6 | Partly cloudy | 30° /21° | 18.7 mm | 7 | |
| Sept. 7 |  Thundery outbreaks possible | 25° /18° | 29.5 mm | 6 | |
| Sept. 8 |  Patchy light rain with thunder | 26° /16° | 1.5 mm | 6 | |
| Sept. 9 | Partly cloudy | 26° /16° | 1.6 mm | 6 | |
| Sept. 10 |  Light rain shower | 24° /17° | 0.7 mm | 6 | |
| Sept. 11 | Light rain shower | 27° /17° | 2 mm | 6 | |
| Sept. 12 |  Overcast | 26° /18° | 0 mm | 6 | |
| Sept. 13 |  Moderate or heavy rain shower | 25° /17° | 5.8 mm | 6 | |
| Sept. 14 | Sunny | 30° /18° | 0 mm | 1.3 | |
| Sept. 15 | Partly cloudy | 27° /18° | 0 mm | 1.4 | |
| Sept. 16 | Overcast | 23° /17° | 0 mm | 1.2 | |
| Sept. 17 | Patchy rain possible | 21° /14° | 0.1 mm | 0.5 | |
| Sept. 18 | Partly cloudy | 28° /18° | 0 mm | 1.4 | |
| Sept. 19 | Sunny | 29° /19° | 0 mm | 0 | |
| Sept. 20 | Sunny | 20° /14° | 0 mm | 5 | |
| Sept. 21 | Sunny | 22° /13° | 0 mm | 5 | |
| Sept. 22 | Sunny | 24° /15° | 0 mm | 5 | |
| Sept. 23 | Sunny | 25° /16° | 0 mm | 5 | |
| Sept. 24 | Partly cloudy | 30° /17° | 0 mm | 6 | |
| Sept. 25 | Patchy rain possible | 23° /19° | 1.2 mm | 5 | |
| Sept. 26 | Sunny | 23° /16° | 0 mm | 5 | |
| Sept. 27 | Partly cloudy | 21° /15° | 0 mm | 5 | |
| Sept. 28 | Patchy rain possible | 20° /15° | 2.4 mm | 5 | |
| Sept. 29 |  Moderate or heavy rain with thunder | 17° /15° | 25.9 mm | 4 | |
| Sept. 30 |  Light rain | 19° /15° | 9.3 mm | 4 | |
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Staten Island in September - FAQ
September rainfall patterns in Staten Island
UV exposure in Staten Island during September
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Where is Staten Island?Get accurate weather forecasts for Staten Island, located at latitude 40.562 and longitude -74.14. Stay updated with localized weather information tailored for Staten Island.