Somerset County (Bridgewater)
September
Weather in Somerset County, New Jersey for September 2026
Your guide to Somerset County weather in September - trends and predictions
In general, the average temperature in Somerset County at the beginning of September is 25.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.6 °F by the end of September.
Somerset County experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 54.7 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
24°/15°
Temperatures
14 km/h
Avg max wind
70 %
Avg humidity
Somerset County Weather September
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Temperatures trend during September in Somerset County
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September weather in Somerset County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Heavy rain at times | 26° /18° | 1.2 mm | 6 | |
| Sept. 2 |  Patchy rain possible | 26° /16° | 0.2 mm | 7 | |
| Sept. 3 |  Sunny | 24° /12° | 0 mm | 6 | |
| Sept. 4 | Sunny | 25° /13° | 0 mm | 6 | |
| Sept. 5 | Sunny | 27° /15° | 34.8 mm | 6 | |
| Sept. 6 |  Overcast | 28° /17° | 6.5 mm | 6 | |
| Sept. 7 |  Moderate or heavy rain shower | 20° /13° | 52.4 mm | 5 | |
| Sept. 8 | Sunny | 22° /10° | 0 mm | 6 | |
| Sept. 9 |  Partly cloudy | 23° /11° | 0 mm | 6 | |
| Sept. 10 | Sunny | 23° /14° | 0 mm | 6 | |
| Sept. 11 | Sunny | 26° /14° | 0 mm | 7 | |
| Sept. 12 | Sunny | 26° /15° | 0 mm | 7 | |
| Sept. 13 | Sunny | 26° /15° | 2 mm | 6 | |
| Sept. 14 | Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 15 | Patchy rain possible | 26° /16° | 0.1 mm | 6 | |
| Sept. 16 | Partly cloudy | 23° /15° | 0 mm | 6 | |
| Sept. 17 | Overcast | 23° /15° | 1.7 mm | 5 | |
| Sept. 18 | Patchy rain possible | 24° /17° | 1.1 mm | 6 | |
| Sept. 19 | Overcast | 27° /16° | 1.3 mm | 7 | |
| Sept. 20 | Patchy rain possible | 22° /16° | 0.3 mm | 5 | |
| Sept. 21 | Overcast | 23° /15° | 0 mm | 6 | |
| Sept. 22 | Overcast | 24° /15° | 0 mm | 5 | |
| Sept. 23 | Moderate rain at times | 22° /16° | 1.6 mm | 5 | |
| Sept. 24 | Overcast | 23° /16° | 1.4 mm | 6 | |
| Sept. 25 | Moderate rain at times | 21° /17° | 24.5 mm | 5 | |
| Sept. 26 | Heavy rain at times | 26° /18° | 11.1 mm | 6 | |
| Sept. 27 | Moderate rain at times | 23° /17° | 1.4 mm | 6 | |
| Sept. 28 | Heavy rain at times | 22° /16° | 33.2 mm | 5 | |
| Sept. 29 | Moderate rain at times | 21° /15° | 0.8 mm | 5 | |
| Sept. 30 |  Cloudy | 22° /15° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Somerset 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 Somerset County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Somerset County in September - FAQ
What are the expected maximum and minimum temperatures in Somerset County during September?
During September, expect a variety of temperatures with highs around 24° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Somerset County during September?
Moderate rainfall is anticipated in Somerset County during September, with a total of 54.7 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Somerset County during September?
The average wind speed in Somerset County during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Somerset County
Explore the daily rainfall trends and prepare for Somerset Countys September weather 💧
UV exposure in Somerset County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Somerset County?Get accurate weather forecasts for Somerset County, located at latitude 40.601 and longitude -74.648. Stay updated with localized weather information tailored for Somerset County.
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