Weather in Hancock County, Maine for September 2026
Until now, September 2026 in Hancock County has been nearly identical to the historical average, with a temperature of 21.2 °F (showing only a slight deviation of 0.1 °F).
The forecast for the next days in Hancock County predicts temperatures to be around 15 °F, close to the historical average.
In general, the average temperature in Hancock County at the beginning of September is 20.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.6 °F by the end of September.
Hancock County experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 129.1 mm.
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Hancock County Weather September
Temperatures trend during September in Hancock County
September weather in Hancock County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate rain at times | 23° /13° | 2.8 mm | 6 | |
| Sept. 2 |  Overcast | 20° /11° | 0 mm | 5 | |
| Sept. 3 |  Sunny | 19° /11° | 104.1 mm | 3 | |
| Sept. 4 |  Cloudy | 20° /12° | 16.2 mm | 3 | |
| Sept. 5 | Sunny | 20° /13° | 0 mm | 5 | |
| Sept. 6 |  Partly cloudy | 19° /12° | 0.7 mm | 5 | |
| Sept. 7 |  Patchy rain possible | 21° /11° | 11.2 mm | 5 | |
| Sept. 8 | Overcast | 22° /11° | 1.3 mm | 4 | |
| Sept. 9 | Sunny | 19° /9° | 0 mm | 4 | |
| Sept. 10 | Cloudy | 23° /12° | 7.5 mm | 5 | |
| Sept. 11 | Sunny | 23° /9° | 0 mm | 6 | |
| Sept. 12 | Sunny | 22° /10° | 0 mm | 6 | |
| Sept. 13 | Patchy rain possible | 20° /11° | 2.6 mm | 3 | |
| Sept. 14 | Partly cloudy | 22° /12° | 0 mm | 5 | |
| Sept. 15 | Sunny | 22° /9° | 0 mm | 6 | |
| Sept. 16 | Sunny | 21° /10° | 0 mm | 5 | |
| Sept. 17 | Overcast | 22° /11° | 1.7 mm | 4 | |
| Sept. 18 | Overcast | 21° /11° | 3.5 mm | 5 | |
| Sept. 19 | Overcast | 20° /10° | 0 mm | 5 | |
| Sept. 20 | Overcast | 15° /8° | 4.2 mm | 4 | |
| Sept. 21 | Sunny | 17° /7° | 2.8 mm | 5.1 | |
| Sept. 22 | Overcast | 15° /6° | 0 mm | 3.7 | |
| Sept. 23 | Sunny | 15° /6° | 0 mm | 4.8 | |
| Sept. 24 | Sunny | 18° /6° | 3.2 mm | 5 | |
| Sept. 25 | Light rain shower | 13° /9° | 26.7 mm | 3 | |
| Sept. 26 | Light rain shower | 13° /11° | 20.7 mm | 3 | |
| Sept. 27 | Patchy rain possible | 11° /10° | 1.4 mm | 3 | |
| Sept. 28 | Sunny | 17° /10° | 0 mm | 5 | |
| Sept. 29 | Overcast | 16° /10° | 0 mm | 4 | |
| Sept. 30 |  Mist | 14° /12° | 3.2 mm | 4 | |
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Hancock County in September - FAQ
What are the expected maximum and minimum temperatures in Hancock County during September?
How much rainfall should be expected in Hancock County during September?
What are the typical wind conditions in Hancock County during September?
September rainfall patterns in Hancock County
UV exposure in Hancock County during September
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Where is Hancock County?Get accurate weather forecasts for Hancock County, located at latitude 44.388 and longitude -68.204. Stay updated with localized weather information tailored for Hancock County.