Weather in Bronx County, New York for September 2026
Until now, September 2026 in Bronx County has been nearly identical to the historical average, with a temperature of 27.1 °F (showing only a slight deviation of 0.5 °F).
Expect cooler weather in the next days in Bronx County with the forecast suggesting a temperature of 23.1 °F, lower than the historical average.
In general, the average temperature in Bronx County at the beginning of September is 27.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.9 °F by the end of September.
Bronx County experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 209.8 mm.
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Bronx County Weather September
Temperatures trend during September in Bronx County
September weather in Bronx County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 27° /18° | 32 mm | 5 | |
| Sept. 2 |  Partly cloudy | 26° /17° | 0.1 mm | 5 | |
| Sept. 3 | Partly cloudy | 28° /16° | 1.2 mm | 5 | |
| Sept. 4 | Sunny | 29° /19° | 0 mm | 7 | |
| Sept. 5 | Sunny | 29° /19° | 10.6 mm | 7 | |
| Sept. 6 | Partly cloudy | 28° /19° | 16 mm | 7 | |
| Sept. 7 |  Thundery outbreaks possible | 25° /16° | 23.1 mm | 6 | |
| Sept. 8 | Sunny | 27° /15° | 0.8 mm | 6 | |
| Sept. 9 | Partly cloudy | 26° /17° | 2.5 mm | 5 | |
| Sept. 10 |  Light rain shower | 26° /18° | 1.5 mm | 5 | |
| Sept. 11 | Light rain shower | 27° /17° | 1.7 mm | 7 | |
| Sept. 12 |  Mist | 27° /16° | 0 mm | 6 | |
| Sept. 13 |  Moderate or heavy rain shower | 26° /18° | 25.7 mm | 5 | |
| Sept. 14 |  Cloudy | 26° /16° | 0.5 mm | 6 | |
| Sept. 15 |  Overcast | 23° /15° | 0 mm | 6 | |
| Sept. 16 | Overcast | 24° /16° | 0 mm | 5 | |
| Sept. 17 | Sunny | 28° /22° | 0 mm | 6.7 | |
| Sept. 18 | Sunny | 28° /21° | 0 mm | 6.2 | |
| Sept. 19 | Overcast | 20° /16° | 0 mm | 6.6 | |
| Sept. 20 | Overcast | 24° /17° | 3.1 mm | 0.4 | |
| Sept. 21 | Overcast | 19° /14° | 1.6 mm | 5 | |
| Sept. 22 | Light rain shower | 18° /16° | 5.6 mm | 4 | |
| Sept. 23 | Patchy rain possible | 19° /16° | 9.5 mm | 4 | |
| Sept. 24 | Overcast | 24° /16° | 1.6 mm | 5 | |
| Sept. 25 | Sunny | 21° /14° | 11.9 mm | 6 | |
| Sept. 26 | Sunny | 19° /13° | 0 mm | 5 | |
| Sept. 27 | Sunny | 24° /13° | 0 mm | 6 | |
| Sept. 28 | Sunny | 25° /17° | 0 mm | 7 | |
| Sept. 29 | Sunny | 27° /18° | 0 mm | 7 | |
| Sept. 30 | Sunny | 27° /19° | 0 mm | 7 | |
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Bronx County in September - FAQ
What are the expected maximum and minimum temperatures in Bronx County during September?
How much rainfall should be expected in Bronx County during September?
What are the typical wind conditions in Bronx County during September?
September rainfall patterns in Bronx County
UV exposure in Bronx County during September
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Where is Bronx County?Get accurate weather forecasts for Bronx County, located at latitude 40.85 and longitude -73.866. Stay updated with localized weather information tailored for Bronx County.