Weather in Parsippany, New Jersey for September 2026
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So far, September 2026 in Parsippany is slightly warmer than the historical average by 0.6 °F.
The forecast for the next days in Parsippany predicts temperatures to be around 19 °F, close to the historical average.
In general, the average temperature in Parsippany at the beginning of September is 26 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °F by the end of September.
The climate of Parsippany in September is notably wet, with an average of 12 rainy days, and a total of 204.4 mm of precipitation.
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Parsippany Weather September
Temperatures trend during September in Parsippany
September weather in Parsippany day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 28° /18° | 13.2 mm | 5 | |
| Sept. 2 |  Overcast | 25° /16° | 0.9 mm | 4 | |
| Sept. 3 |  Sunny | 26° /14° | 1.8 mm | 4 | |
| Sept. 4 | Sunny | 27° /15° | 0.1 mm | 7 | |
| Sept. 5 | Sunny | 27° /16° | 16.3 mm | 6 | |
| Sept. 6 | Overcast | 27° /17° | 2.8 mm | 6 | |
| Sept. 7 | Light rain shower | 22° /12° | 31 mm | 5 | |
| Sept. 8 | Sunny | 25° /11° | 0 mm | 6 | |
| Sept. 9 |  Partly cloudy | 25° /12° | 0 mm | 5 | |
| Sept. 10 | Sunny | 26° /15° | 0.4 mm | 5 | |
| Sept. 11 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 12 | Sunny | 27° /14° | 0 mm | 6 | |
| Sept. 13 | Sunny | 26° /16° | 11.5 mm | 5 | |
| Sept. 14 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 15 | Partly cloudy | 25° /15° | 2.6 mm | 6 | |
| Sept. 16 | Overcast | 25° /14° | 0 mm | 6 | |
| Sept. 17 | Overcast | 24° /16° | 0.1 mm | 5 | |
| Sept. 18 |  Mist | 24° /17° | 0 mm | 5 | |
| Sept. 19 | Overcast | 24° /16° | 2.5 mm | 5 | |
| Sept. 20 | Overcast | 20° /15° | 4.8 mm | 4 | |
| Sept. 21 | Overcast | 22° /15° | 0.8 mm | 4 | |
| Sept. 22 | Overcast | 21° /13° | 1.7 mm | 4 | |
| Sept. 23 | Overcast | 21° /14° | 0.5 mm | 4 | |
| Sept. 24 |  Cloudy | 22° /13° | 1.1 mm | 5 | |
| Sept. 25 |  Heavy rain at times | 22° /15° | 29 mm | 3 | |
| Sept. 26 | Heavy rain at times | 25° /18° | 23.2 mm | 6 | |
| Sept. 27 | Light rain shower | 16° /13° | 45.5 mm | 0.8 | |
| Sept. 28 | Light rain shower | 15° /13° | 13.5 mm | 0.3 | |
| Sept. 29 | Patchy rain possible | 19° /12° | 0.3 mm | 3.1 | |
| Sept. 30 | Overcast | 24° /16° | 0 mm | 5.5 | |
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Parsippany in September - FAQ
What are the expected maximum and minimum temperatures in Parsippany during September?
How much rainfall should be expected in Parsippany during September?
What are the typical wind conditions in Parsippany during September?
September rainfall patterns in Parsippany
UV exposure in Parsippany during September
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Where is Parsippany?Get accurate weather forecasts for Parsippany, located at latitude 40.858 and longitude -74.426. Stay updated with localized weather information tailored for Parsippany.