Weather in Wilkes-Barre, Pennsylvania for September 2026
So far, September 2026 in Wilkes-Barre is slightly warmer than the historical average by 1.4 °F.
The forecast for the upcoming days in Wilkes-Barre predicts a temperature of 19.3 °F, which is slightly above the historical average.
In general, the average temperature in Wilkes-Barre at the beginning of September is 24.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °F by the end of September.
Wilkes-Barre experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 132.7 mm.
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Wilkes-Barre Weather September
Temperatures trend during September in Wilkes-Barre
September weather in Wilkes-Barre day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Fog | 28° /14° | 0.9 mm | 4 | |
| Sept. 2 |  Partly cloudy | 22° /11° | 0.5 mm | 4 | |
| Sept. 3 |  Sunny | 24° /10° | 16.9 mm | 4 | |
| Sept. 4 | Sunny | 26° /13° | 4.4 mm | 5 | |
| Sept. 5 | Sunny | 25° /13° | 7.2 mm | 7 | |
| Sept. 6 | Fog | 25° /12° | 5.5 mm | 6 | |
| Sept. 7 |  Light rain shower | 21° /9° | 3.1 mm | 5 | |
| Sept. 8 | Sunny | 22° /6° | 0 mm | 5 | |
| Sept. 9 |  Cloudy | 25° /7° | 0 mm | 4 | |
| Sept. 10 | Partly cloudy | 24° /10° | 6.5 mm | 5 | |
| Sept. 11 | Sunny | 25° /8° | 0 mm | 6 | |
| Sept. 12 | Partly cloudy | 25° /10° | 0.3 mm | 5 | |
| Sept. 13 | Sunny | 26° /13° | 4.2 mm | 4 | |
| Sept. 14 | Sunny | 25° /11° | 0.1 mm | 7 | |
| Sept. 15 | Partly cloudy | 24° /10° | 0 mm | 6 | |
| Sept. 16 |  Overcast | 24° /12° | 0 mm | 5 | |
| Sept. 17 | Cloudy | 24° /14° | 0.8 mm | 4 | |
| Sept. 18 | Fog | 24° /12° | 0 mm | 5 | |
| Sept. 19 | Fog | 22° /11° | 0 mm | 4 | |
| Sept. 20 | Fog | 22° /10° | 5.2 mm | 4 | |
| Sept. 21 | Overcast | 18° /10° | 0 mm | 3.1 | |
| Sept. 22 | Overcast | 13° /8° | 11.2 mm | 0.8 | |
| Sept. 23 | Overcast | 16° /7° | 0.1 mm | 5.4 | |
| Sept. 24 | Overcast | 17° /6° | 0 mm | 5.4 | |
| Sept. 25 | Overcast | 18° /5° | 0 mm | 4 | |
| Sept. 26 | Overcast | 19° /8° | 0 mm | 4 | |
| Sept. 27 | Sunny | 21° /11° | 0 mm | 6 | |
| Sept. 28 | Sunny | 19° /8° | 0 mm | 5 | |
| Sept. 29 | Sunny | 20° /9° | 0 mm | 6 | |
| Sept. 30 | Sunny | 22° /12° | 0 mm | 6 | |
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Wilkes-Barre in September - FAQ
What are the expected maximum and minimum temperatures in Wilkes-Barre during September?
How much rainfall should be expected in Wilkes-Barre during September?
What are the typical wind conditions in Wilkes-Barre during September?
September rainfall patterns in Wilkes-Barre
UV exposure in Wilkes-Barre during September
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Where is Wilkes-Barre?Get accurate weather forecasts for Wilkes-Barre, located at latitude 41.246 and longitude -75.881. Stay updated with localized weather information tailored for Wilkes-Barre.