Erie County (Erie)
September
Weather in Erie County, Pennsylvania for September 2026
Your guide to Erie County weather in September - trends and predictions
In general, the average temperature in Erie County at the beginning of September is 21.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 20.6 °F by the end of September.
The climate of Erie County in September is notably wet, with an average of 12 rainy days, and a total of 69.6 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
22°/16°
Temperatures
22 km/h
Avg max wind
77 %
Avg humidity
Erie County Weather September
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Temperatures trend during September in Erie County
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September weather in Erie County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 22° /15° | 0 mm | 6 | |
| Sept. 2 |  Partly cloudy | 22° /16° | 0 mm | 6 | |
| Sept. 3 | Partly cloudy | 23° /16° | 0 mm | 6 | |
| Sept. 4 |  Heavy rain at times | 21° /15° | 8.3 mm | 5 | |
| Sept. 5 |  Overcast | 25° /10° | 0 mm | 6 | |
| Sept. 6 |  Moderate or heavy rain shower | 18° /15° | 11.2 mm | 4 | |
| Sept. 7 |  Light rain shower | 17° /15° | 5.9 mm | 4 | |
| Sept. 8 |  Cloudy | 18° /15° | 0 mm | 4 | |
| Sept. 9 | Patchy rain possible | 22° /13° | 0.9 mm | 6 | |
| Sept. 10 | Sunny | 21° /14° | 0 mm | 6 | |
| Sept. 11 | Sunny | 22° /15° | 0 mm | 6 | |
| Sept. 12 | Sunny | 22° /15° | 0 mm | 5 | |
| Sept. 13 | Sunny | 23° /15° | 0 mm | 6 | |
| Sept. 14 | Sunny | 23° /16° | 0 mm | 6 | |
| Sept. 15 | Sunny | 23° /17° | 0 mm | 6 | |
| Sept. 16 | Sunny | 22° /16° | 0 mm | 6 | |
| Sept. 17 | Overcast | 22° /16° | 1.6 mm | 5 | |
| Sept. 18 | Sunny | 21° /15° | 0 mm | 6 | |
| Sept. 19 | Cloudy | 21° /16° | 0 mm | 5 | |
| Sept. 20 | Overcast | 23° /13° | 0 mm | 6 | |
| Sept. 21 | Heavy rain at times | 24° /18° | 2.1 mm | 5 | |
| Sept. 22 | Overcast | 24° /17° | 3.6 mm | 6 | |
| Sept. 23 | Moderate or heavy rain shower | 22° /18° | 4.8 mm | 5 | |
| Sept. 24 | Moderate or heavy rain shower | 20° /17° | 12.2 mm | 5 | |
| Sept. 25 | Heavy rain at times | 21° /18° | 21.4 mm | 5 | |
| Sept. 26 | Patchy rain possible | 19° /16° | 0.2 mm | 5 | |
| Sept. 27 | Overcast | 21° /15° | 0 mm | 5 | |
| Sept. 28 | Patchy rain possible | 22° /17° | 0.4 mm | 5 | |
| Sept. 29 | Patchy rain possible | 20° /15° | 0.8 mm | 5 | |
| Sept. 30 | Overcast | 21° /16° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Erie 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 Erie County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Erie County in September - FAQ
What are the expected maximum and minimum temperatures in Erie County during September?
During September, expect a variety of temperatures with highs around 22° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Erie County during September?
Moderate rainfall is anticipated in Erie County during September, with a total of 69.6 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Erie County during September?
The average wind speed in Erie County during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Erie County
Explore the daily rainfall trends and prepare for Erie Countys September weather 💧
UV exposure in Erie County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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