Weather in Erie, Pennsylvania for September 2026
Beach Hazards Statement - See hour by hour.
So far, September 2026 in Erie is slightly warmer than the historical average by 0.9 °F.
The forecast for the next days in Erie predicts temperatures to be around 18 °F, close to the historical average.
In general, the average temperature in Erie at the beginning of September is 23.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °F by the end of September.
Erie experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 73.3 mm.
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Erie Weather September
Temperatures trend during September in Erie
September weather in Erie day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 25° /19° | 1.2 mm | 7 | |
| Sept. 2 |  Partly cloudy | 25° /19° | 42.8 mm | 5 | |
| Sept. 3 | Partly cloudy | 26° /19° | 13.5 mm | 4 | |
| Sept. 4 |  Heavy rain at times | 22° /18° | 4.3 mm | 4 | |
| Sept. 5 |  Overcast | 25° /15° | 0 mm | 7 | |
| Sept. 6 |  Moderate or heavy rain shower | 22° /17° | 5.6 mm | 6 | |
| Sept. 7 |  Light rain shower | 20° /15° | 3 mm | 6 | |
| Sept. 8 |  Cloudy | 20° /16° | 0 mm | 4 | |
| Sept. 9 | Patchy rain possible | 23° /16° | 7.2 mm | 4 | |
| Sept. 10 | Sunny | 22° /16° | 0.4 mm | 5 | |
| Sept. 11 | Sunny | 23° /16° | 0 mm | 6 | |
| Sept. 12 | Sunny | 23° /16° | 11.5 mm | 4 | |
| Sept. 13 | Sunny | 23° /16° | 0.5 mm | 5 | |
| Sept. 14 | Sunny | 21° /16° | 0 mm | 6 | |
| Sept. 15 | Sunny | 24° /16° | 0 mm | 4 | |
| Sept. 16 | Sunny | 23° /17° | 2.4 mm | 4 | |
| Sept. 17 | Overcast | 22° /17° | 2.2 mm | 4 | |
| Sept. 18 | Sunny | 21° /16° | 0.2 mm | 5 | |
| Sept. 19 | Cloudy | 21° /16° | 0.4 mm | 4 | |
| Sept. 20 | Overcast | 20° /18° | 1.7 mm | 0.6 | |
| Sept. 21 | Overcast | 19° /15° | 0.1 mm | 5.3 | |
| Sept. 22 | Patchy rain possible | 16° /14° | 1.7 mm | 2 | |
| Sept. 23 | Patchy rain possible | 17° /15° | 0.5 mm | 4.9 | |
| Sept. 24 | Sunny | 18° /14° | 0 mm | 5 | |
| Sept. 25 | Sunny | 19° /14° | 0 mm | 5 | |
| Sept. 26 | Sunny | 18° /16° | 0 mm | 5 | |
| Sept. 27 | Sunny | 18° /16° | 0 mm | 5 | |
| Sept. 28 | Sunny | 21° /16° | 0 mm | 6 | |
| Sept. 29 | Light rain shower | 18° /14° | 8.9 mm | 3 | |
| Sept. 30 | Sunny | 18° /11° | 0 mm | 5 | |
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Erie in September - FAQ
What are the expected maximum and minimum temperatures in Erie during September?
How much rainfall should be expected in Erie during September?
What are the typical wind conditions in Erie during September?
September rainfall patterns in Erie
UV exposure in Erie during September
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Where is Erie?Get accurate weather forecasts for Erie, located at latitude 42.129 and longitude -80.085. Stay updated with localized weather information tailored for Erie.