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Weather in York County, Maine for September 2025

Your guide to York County weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in York County at the beginning of September is 22.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.1 °F by the end of September.

  • Rain 🌧️

  • With an average of 5 rainy days, York County experiences minimal rainfall in September.

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Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/13°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
77 %
Avg humidity

York County Weather September

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Temperatures trend during September in York County

See the weather trend as well as the moving average line

September weather in York County day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Patchy rain possible
Patchy rain possible
24° /18° 4 mm 5
Sept. 2 Partly cloudy
Partly cloudy
23° /12° 0 mm 6
Sept. 3 Sunny
Sunny
21° /9° 0 mm 6
Sept. 4 Sunny
Sunny
23° /12° 0 mm 6
Sept. 5 Sunny
Sunny
22° /13° 0 mm 6
Sept. 6 Overcast
Overcast
20° /12° 0 mm 5
Sept. 7 Overcast
Overcast
22° /12° 0.2 mm 5
Sept. 8 Sunny
Sunny
19° /11° 0.1 mm 5
Sept. 9 Partly cloudy
Partly cloudy
21° /10° 0 mm 6
Sept. 10 Sunny
Sunny
22° /11° 0 mm 6
Sept. 11 Sunny
Sunny
22° /10° 0 mm 6
Sept. 12 Partly cloudy
Partly cloudy
23° /12° 0 mm 6
Sept. 13 Cloudy
Cloudy
25° /14° 0 mm 6
Sept. 14 Partly cloudy
Partly cloudy
22° /14° 0 mm 6
Sept. 15 Partly cloudy
Partly cloudy
23° /14° 0 mm 6
Sept. 16 Sunny
Sunny
25° /13° 0 mm 7
Sept. 17 Cloudy
Cloudy
24° /13° 0 mm 5
Sept. 18 Overcast
Overcast
22° /14° 0 mm 5
Sept. 19 Overcast
Overcast
19° /13° 0 mm 4
Sept. 20 Moderate rain at times
Moderate rain at times
17° /15° 4.8 mm 4
Sept. 21 Moderate rain at times
Moderate rain at times
17° /14° 8.8 mm 4
Sept. 22 Patchy rain possible
Patchy rain possible
16° /12° 0.2 mm 4
Sept. 23 Patchy rain possible
Patchy rain possible
15° /12° 0.1 mm 4
Sept. 24 Cloudy
Cloudy
17° /12° 0 mm 4
Sept. 25 Heavy rain at times
Heavy rain at times
15° /10° 3.5 mm 4
Sept. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
15° /14° 88.6 mm 4
Sept. 27 Overcast
Overcast
20° /12° 0 mm 5
Sept. 28 Cloudy
Cloudy
17° /13° 0 mm 4
Sept. 29 Overcast
Overcast
17° /12° 0 mm 4
Sept. 30 Cloudy
Cloudy
19° /14° 0 mm 4
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Important Notice
Our weather forecast for York 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 York County forecast closer to your planned date for the most up-to-date weather information.

York County in September - FAQ

What are the expected maximum and minimum temperatures in York County during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in York County during September?
Significant rainfall exceeding 110.3 mm is expected in York County during September, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in York County during September?
The average wind speed in York County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in York County

Explore the daily rainfall trends and prepare for York Countys September weather 💧

UV exposure in York County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is York County?

Get accurate weather forecasts for York County, located at latitude 43.501 and longitude -70.443. Stay updated with localized weather information tailored for York County.

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