Middlesex County (Old Bridge)
September
Weather in Middlesex County, New Jersey for September 2027
Your guide to Middlesex County weather in September - trends and predictions
In general, the average temperature in Middlesex County at the beginning of September is 26.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.7 °C by the end of September.
Middlesex County experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 202.1 mm.
Is September a good time to visit Middlesex County? check out the best time to travel to Middlesex County page.
✨ Is September a good time to visit Middlesex County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
0
Snow days
24°/17°
Temperatures
17 km/h
Avg max wind
71 %
Avg humidity
Middlesex County Weather September
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Temperatures trend during September in Middlesex County
See the weather trend as well as the moving average line
September weather in Middlesex County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Heavy rain | 28° /20° | 30.5 mm | 6 | |
| Sept. 2 |  Overcast | 25° /18° | 0.5 mm | 5 | |
| Sept. 3 |  Moderate rain | 25° /16° | 10 mm | 4 | |
| Sept. 4 |  Light rain | 26° /17° | 5 mm | 7 | |
| Sept. 5 | Moderate rain | 27° /18° | 10.3 mm | 7 | |
| Sept. 6 | Heavy rain | 27° /18° | 27.4 mm | 7 | |
| Sept. 7 | Moderate rain | 24° /14° | 21.3 mm | 5 | |
| Sept. 8 |  Sunny | 25° /13° | 0 mm | 6 | |
| Sept. 9 |  Partly cloudy | 25° /14° | 0 mm | 5 | |
| Sept. 10 | Overcast | 25° /17° | 0 mm | 4 | |
| Sept. 11 | Sunny | 27° /17° | 0 mm | 7 | |
| Sept. 12 | Sunny | 26° /16° | 0 mm | 6 | |
| Sept. 13 | Moderate rain | 25° /18° | 16.1 mm | 5 | |
| Sept. 14 | Sunny | 25° /17° | 0 mm | 7 | |
| Sept. 15 | Sunny | 23° /16° | 0 mm | 6 | |
| Sept. 16 |  Cloudy | 23° /15° | 0 mm | 6 | |
| Sept. 17 |  Patchy rain possible | 24° /18° | 1.4 mm | 5 | |
| Sept. 18 | Overcast | 25° /19° | 0.8 mm | 5 | |
| Sept. 19 | Patchy rain possible | 25° /18° | 2.1 mm | 5 | |
| Sept. 20 | Light rain | 21° /17° | 2.7 mm | 3 | |
| Sept. 21 | Light rain | 22° /16° | 2.7 mm | 4 | |
| Sept. 22 | Partly cloudy | 22° /15° | 0.3 mm | 4 | |
| Sept. 23 | Patchy rain possible | 22° /16° | 0.2 mm | 4 | |
| Sept. 24 | Patchy rain possible | 21° /16° | 1 mm | 4 | |
| Sept. 25 | Moderate rain | 22° /17° | 11.5 mm | 4 | |
| Sept. 26 |  Heavy rain at times | 23° /17° | 13.2 mm | 4 | |
| Sept. 27 | Moderate rain | 22° /17° | 22.1 mm | 4 | |
| Sept. 28 | Heavy rain at times | 20° /16° | 20.6 mm | 4 | |
| Sept. 29 | Light rain | 21° /16° | 2.5 mm | 4 | |
| Sept. 30 | Overcast | 22° /16° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Middlesex 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 Middlesex County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Middlesex County in September - FAQ
What are the expected maximum and minimum temperatures in Middlesex County during September?
During September, expect a variety of temperatures with highs around 24° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Middlesex County during September?
Significant rainfall exceeding 202.1 mm is expected in Middlesex County during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Middlesex County during September?
The average wind speed in Middlesex County during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Middlesex County
Explore the daily rainfall trends and prepare for Middlesex Countys September weather 💧
Typically, Middlesex County has 9 rainy days in September with a total of 202.1 mm of rainfall.
UV exposure in Middlesex County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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