Hampden County
September
Weather in Hampden County for September 2025
Your guide to Hampden County weather in September - trends and predictions
In general, the average temperature in Hampden County at the beginning of September is 27.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.1 °F by the end of September.
The climate of Hampden County in September is notably wet, with an average of 11 rainy days.
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19
Dry days
11
Rainy days
0
Snow days
24°/12°
Temperatures
12 km/h
Avg max wind
77 %
Avg humidity
Hampden County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  26° | 3 27° | 4 29° | 5 29° | 6  29° | 7  28° |
| 8  25° | 9 25° | 10  26° | 11 25° | 12 26° | 13  26° | 14  26° |
| 15  23° | 16 25° | 17 24° | 18 21° | 19 22° | 20 22° | 21 19° |
| 22 20° | 23  16° | 24 19° | 25  17° | 26 18° | 27 20° | 28 21° |
| 29  18° | 30 21° |
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Temperatures trend during September in Hampden County
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 25° /13° | 6.6 mm | 6 | |
| Sept. 2 | Mist | 26° /11° | 0 mm | 6 | |
| Sept. 3 | Mist | 27° /10° | 0 mm | 7 | |
| Sept. 4 | Fog | 29° /12° | 0 mm | 7 | |
| Sept. 5 | Mist | 29° /14° | 0 mm | 7 | |
| Sept. 6 | Partly cloudy | 29° /14° | 0 mm | 7 | |
| Sept. 7 | Thundery outbreaks possible | 28° /15° | 7.7 mm | 7 | |
| Sept. 8 | Patchy light rain with thunder | 25° /13° | 3.4 mm | 6 | |
| Sept. 9 | Patchy light rain with thunder | 25° /14° | 11.6 mm | 6 | |
| Sept. 10 | Light rain shower | 26° /14° | 6.1 mm | 6 | |
| Sept. 11 | Light rain shower | 25° /12° | 1.2 mm | 6 | |
| Sept. 12 | Fog | 26° /13° | 0 mm | 7 | |
| Sept. 13 | Moderate or heavy rain shower | 26° /13° | 9.7 mm | 6 | |
| Sept. 14 | Cloudy | 26° /13° | 0 mm | 6 | |
| Sept. 15 | Overcast | 23° /11° | 0 mm | 5 | |
| Sept. 16 | Overcast | 25° /12° | 0 mm | 7 | |
| Sept. 17 | Overcast | 24° /10° | 0.1 mm | 5 | |
| Sept. 18 | Light rain shower | 21° /14° | 14.1 mm | 5 | |
| Sept. 19 | Sunny | 22° /15° | 0.9 mm | 6 | |
| Sept. 20 | Partly cloudy | 22° /13° | 0 mm | 6 | |
| Sept. 21 | Mist | 19° /10° | 1.1 mm | 5 | |
| Sept. 22 | Patchy rain possible | 20° /10° | 0 mm | 5 | |
| Sept. 23 | Moderate rain | 16° /11° | 22.4 mm | 4 | |
| Sept. 24 | Patchy rain possible | 19° /11° | 0.1 mm | 4 | |
| Sept. 25 | Heavy rain | 17° /11° | 28.4 mm | 4 | |
| Sept. 26 | Patchy rain possible | 18° /10° | 73.5 mm | 4 | |
| Sept. 27 | Mist | 20° /9° | 3.2 mm | 5 | |
| Sept. 28 | Mist | 21° /10° | 0 mm | 5 | |
| Sept. 29 | Patchy light drizzle | 18° /13° | 0.8 mm | 4 | |
| Sept. 30 | Overcast | 21° /11° | 0.3 mm | 5 | |
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Important Notice
Our weather forecast for Hampden 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 Hampden County forecast closer to your planned date for the most up-to-date weather information.
Hampden County in September - FAQ
What are the expected maximum and minimum temperatures in Hampden County during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hampden County during September?
Significant rainfall exceeding 190 mm is expected in Hampden County during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hampden County during September?
The average wind speed in Hampden County during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Hampden County
Explore the daily rainfall trends and prepare for Hampden Countys September weather 💧
UV exposure in Hampden County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Hampden County?Get accurate weather forecasts for Hampden County, located at latitude 42.101 and longitude -72.59. Stay updated with localized weather information tailored for Hampden County.
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