Gloucester County (Clayton)
September
Weather in Gloucester County, New Jersey for September 2025
Your guide to Gloucester County weather in September - trends and predictions
In general, the average temperature in Gloucester County at the beginning of September is 25 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.7 °F by the end of September.
The climate of Gloucester County in September is notably wet, with an average of 12 rainy days, and a total of 65.6 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
24°/16°
Temperatures
16 km/h
Avg max wind
71 %
Avg humidity
Gloucester County Weather September
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Temperatures trend during September in Gloucester County
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September weather in Gloucester County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 28° /20° | 0.1 mm | 6 | |
| Sept. 2 |  Cloudy | 25° /18° | 0 mm | 6 | |
| Sept. 3 |  Sunny | 24° /14° | 0 mm | 6 | |
| Sept. 4 |  Overcast | 25° /14° | 0 mm | 6 | |
| Sept. 5 | Sunny | 26° /14° | 0 mm | 7 | |
| Sept. 6 | Patchy rain possible | 24° /17° | 0.1 mm | 5 | |
| Sept. 7 |  Moderate rain at times | 23° /15° | 1.8 mm | 5 | |
| Sept. 8 | Sunny | 21° /11° | 0 mm | 6 | |
| Sept. 9 | Sunny | 25° /12° | 0 mm | 7 | |
| Sept. 10 | Sunny | 28° /14° | 0 mm | 7 | |
| Sept. 11 | Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 12 | Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 13 | Cloudy | 28° /16° | 0 mm | 6 | |
| Sept. 14 | Sunny | 29° /16° | 0 mm | 7 | |
| Sept. 15 | Patchy rain possible | 28° /17° | 0.3 mm | 6 | |
| Sept. 16 | Overcast | 26° /15° | 0 mm | 6 | |
| Sept. 17 | Patchy rain possible | 24° /18° | 0.5 mm | 5 | |
| Sept. 18 | Patchy rain possible | 23° /18° | 4.2 mm | 5 | |
| Sept. 19 |  Heavy rain at times | 24° /18° | 15.5 mm | 5 | |
| Sept. 20 | Patchy rain possible | 23° /18° | 0.7 mm | 5 | |
| Sept. 21 | Overcast | 25° /18° | 0 mm | 6 | |
| Sept. 22 | Cloudy | 23° /16° | 0 mm | 5 | |
| Sept. 23 | Patchy rain possible | 22° /15° | 0.4 mm | 5 | |
| Sept. 24 | Overcast | 20° /16° | 1.2 mm | 5 | |
| Sept. 25 | Moderate or heavy rain shower | 20° /18° | 13.5 mm | 5 | |
| Sept. 26 | Patchy rain possible | 26° /21° | 0.2 mm | 6 | |
| Sept. 27 | Moderate rain at times | 24° /20° | 3.7 mm | 5 | |
| Sept. 28 | Moderate rain at times | 23° /18° | 19 mm | 5 | |
| Sept. 29 | Moderate rain at times | 19° /17° | 4.3 mm | 4 | |
| Sept. 30 | Overcast | 20° /17° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Gloucester 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 Gloucester County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Gloucester County in September - FAQ
What are the expected maximum and minimum temperatures in Gloucester County during September?
During September, expect a variety of temperatures with highs around 24° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Gloucester County during September?
Moderate rainfall is anticipated in Gloucester County during September, with a total of 65.6 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Gloucester County during September?
The average wind speed in Gloucester County during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Gloucester County
Explore the daily rainfall trends and prepare for Gloucester Countys September weather 💧
UV exposure in Gloucester County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Gloucester County?Get accurate weather forecasts for Gloucester County, located at latitude 39.66 and longitude -75.092. Stay updated with localized weather information tailored for Gloucester County.
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