Glen Mills
September
Weather in Glen Mills for September 2025
Your guide to Glen Mills weather in September - trends and predictions
In general, the average temperature in Glen Mills at the beginning of September is 23.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.6 °F by the end of September.
Glen Mills sees moderate rainfall in September, averaging 9 rainy days.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
23°/15°
Temperatures
15 km/h
Avg max wind
73 %
Avg humidity
Glen Mills in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  23° | 3  22° | 4 24° | 5  26° | 6 22° | 7  20° |
| 8 20° | 9 24° | 10 26° | 11 27° | 12 27° | 13 26° | 14 28° |
| 15 27° | 16 25° | 17 21° | 18 20° | 19  19° | 20 21° | 21  25° |
| 22  20° | 23 21° | 24 19° | 25 19° | 26 27° | 27 23° | 28 20° |
| 29 18° | 30  18° |
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Temperatures trend during September in Glen Mills
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 | Light rain shower | 27° /20° | 2.9 mm | 6 | |
| Sept. 2 | Overcast | 23° /15° | 0 mm | 5 | |
| Sept. 3 | Sunny | 22° /11° | 0 mm | 6 | |
| Sept. 4 | Overcast | 24° /12° | 0 mm | 5 | |
| Sept. 5 | Partly cloudy | 26° /13° | 0 mm | 7 | |
| Sept. 6 | Light rain shower | 22° /16° | 0.4 mm | 5 | |
| Sept. 7 | Fog | 20° /12° | 0.9 mm | 5 | |
| Sept. 8 | Sunny | 20° /9° | 0 mm | 6 | |
| Sept. 9 | Sunny | 24° /11° | 0 mm | 6 | |
| Sept. 10 | Sunny | 26° /14° | 0 mm | 7 | |
| Sept. 11 | Sunny | 27° /14° | 0 mm | 7 | |
| Sept. 12 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 13 | Partly cloudy | 26° /15° | 0 mm | 7 | |
| Sept. 14 | Partly cloudy | 28° /17° | 0 mm | 7 | |
| Sept. 15 | Partly cloudy | 27° /16° | 0 mm | 7 | |
| Sept. 16 | Overcast | 25° /14° | 0 mm | 6 | |
| Sept. 17 | Overcast | 21° /17° | 0 mm | 5 | |
| Sept. 18 | Mist | 20° /17° | 0 mm | 5 | |
| Sept. 19 | Heavy rain | 19° /16° | 156.7 mm | 4 | |
| Sept. 20 | Overcast | 21° /18° | 0 mm | 5 | |
| Sept. 21 | Moderate or heavy rain shower | 25° /18° | 44.5 mm | 5 | |
| Sept. 22 | Thundery outbreaks possible | 20° /17° | 0 mm | 5 | |
| Sept. 23 | Overcast | 21° /14° | 0 mm | 5 | |
| Sept. 24 | Moderate or heavy rain shower | 19° /16° | 18.9 mm | 4 | |
| Sept. 25 | Moderate or heavy rain shower | 19° /17° | 27.8 mm | 4 | |
| Sept. 26 | Fog | 27° /20° | 0 mm | 6 | |
| Sept. 27 | Fog | 23° /19° | 0 mm | 5 | |
| Sept. 28 | Light rain shower | 20° /17° | 11.7 mm | 5 | |
| Sept. 29 | Overcast | 18° /16° | 0 mm | 4 | |
| Sept. 30 | Light rain | 18° /15° | 6.7 mm | 4 | |
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Important Notice
Our weather forecast for Glen Mills 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 Glen Mills forecast closer to your planned date for the most up-to-date weather information.
Glen Mills in September - FAQ
What are the expected maximum and minimum temperatures in Glen Mills during September?
During September, expect a variety of temperatures with highs around 23° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Glen Mills during September?
Significant rainfall exceeding 270.5 mm is expected in Glen Mills during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Glen Mills during September?
The average wind speed in Glen Mills during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Glen Mills
Explore the daily rainfall trends and prepare for Glen Millss September weather 💧
UV exposure in Glen Mills during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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