Bronx County (The Bronx)
September
Weather in Bronx County for September 2025
Your guide to Bronx County weather in September - trends and predictions
In general, the average temperature in Bronx County at the beginning of September is 28.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19 °F by the end of September.
Expect significant rainfall in Bronx County during September, with an average of 16 rainy days.
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14
Dry days
16
Rainy days
0
Snow days
25°/16°
Temperatures
17 km/h
Avg max wind
70 %
Avg humidity
Bronx County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  28° | 3 28° | 4 30° | 5 30° | 6 29° | 7  28° |
| 8  26° | 9 27° | 10  27° | 11 27° | 12  28° | 13  26° | 14  26° |
| 15  24° | 16 24° | 17  24° | 18 21° | 19 23° | 20 23° | 21 24° |
| 22 21° | 23  18° | 24 19° | 25  17° | 26 21° | 27 20° | 28 20° |
| 29 17° | 30 19° |
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Temperatures trend during September in Bronx County
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° | 1.9 mm | 7 | |
| Sept. 2 | Partly cloudy | 28° /17° | 0 mm | 7 | |
| Sept. 3 | Partly cloudy | 28° /16° | 0 mm | 7 | |
| Sept. 4 | Partly cloudy | 30° /19° | 0 mm | 8 | |
| Sept. 5 | Partly cloudy | 30° /20° | 0.2 mm | 8 | |
| Sept. 6 | Partly cloudy | 29° /20° | 0 mm | 7 | |
| Sept. 7 | Thundery outbreaks possible | 28° /19° | 3.8 mm | 7 | |
| Sept. 8 | Patchy light rain with thunder | 26° /17° | 1.5 mm | 7 | |
| Sept. 9 | Patchy light rain with thunder | 27° /18° | 4.8 mm | 7 | |
| Sept. 10 | Light rain shower | 27° /19° | 2.9 mm | 7 | |
| Sept. 11 | Light rain shower | 27° /18° | 3.4 mm | 7 | |
| Sept. 12 | Mist | 28° /17° | 0 mm | 7 | |
| Sept. 13 | Moderate or heavy rain shower | 26° /18° | 13.4 mm | 6 | |
| Sept. 14 | Cloudy | 26° /17° | 1 mm | 6 | |
| Sept. 15 | Overcast | 24° /16° | 0 mm | 6 | |
| Sept. 16 | Overcast | 24° /15° | 0 mm | 5 | |
| Sept. 17 | Light drizzle | 24° /15° | 0.6 mm | 6 | |
| Sept. 18 | Light rain shower | 21° /16° | 14.5 mm | 5 | |
| Sept. 19 | Sunny | 23° /16° | 0 mm | 6 | |
| Sept. 20 | Sunny | 23° /15° | 3.7 mm | 6 | |
| Sept. 21 | Partly cloudy | 24° /14° | 0 mm | 6 | |
| Sept. 22 | Patchy rain possible | 21° /13° | 0 mm | 6 | |
| Sept. 23 | Heavy rain | 18° /14° | 25.7 mm | 4 | |
| Sept. 24 | Light rain shower | 19° /14° | 2.3 mm | 4 | |
| Sept. 25 | Moderate rain | 17° /14° | 38 mm | 4 | |
| Sept. 26 | Patchy rain possible | 21° /14° | 18 mm | 5 | |
| Sept. 27 | Overcast | 20° /13° | 6.8 mm | 5 | |
| Sept. 28 | Overcast | 20° /15° | 0 mm | 5 | |
| Sept. 29 | Light rain shower | 17° /15° | 20.6 mm | 4 | |
| Sept. 30 | Light drizzle | 19° /14° | 6 mm | 4 | |
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Important Notice
Our weather forecast for Bronx County 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 Bronx County forecast closer to your planned date for the most up-to-date weather information.
Bronx County in September - FAQ
What are the expected maximum and minimum temperatures in Bronx County during September?
During September, expect a variety of temperatures with highs around 25° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Bronx County during September?
Significant rainfall exceeding 245.5 mm is expected in Bronx County during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Bronx County during September?
The average wind speed in Bronx County during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Bronx County
Explore the daily rainfall trends and prepare for Bronx Countys September weather 💧
UV exposure in Bronx County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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