Glen Mills (PA)
September
Weather in Glen Mills, Pennsylvania for September 2027
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 26.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.3 °C by the end of September.
Glen Mills experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 218 mm.
Is September a good time to visit Glen Mills? check out the best time to travel to Glen Mills page.
✨ Is September a good time to visit Glen Mills? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
24°/16°
Temperatures
15 km/h
Avg max wind
73 %
Avg humidity
Glen Mills Weather September
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Temperatures trend during September in Glen Mills
See the weather trend as well as the moving average line
September weather in Glen Mills day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 29° /19° | 1 mm | 6 | |
| Sept. 2 | Patchy rain possible | 24° /17° | 1.3 mm | 4 | |
| Sept. 3 |  Light rain | 25° /15° | 8.1 mm | 4 | |
| Sept. 4 |  Overcast | 27° /16° | 0.5 mm | 6 | |
| Sept. 5 |  Moderate rain | 28° /17° | 16.6 mm | 6 | |
| Sept. 6 | Light rain | 26° /18° | 4.4 mm | 7 | |
| Sept. 7 |  Heavy rain | 23° /14° | 27.5 mm | 6 | |
| Sept. 8 |  Sunny | 24° /12° | 0 mm | 7 | |
| Sept. 9 | Overcast | 25° /14° | 0 mm | 5 | |
| Sept. 10 | Overcast | 26° /17° | 0 mm | 5 | |
| Sept. 11 | Sunny | 27° /16° | 0.3 mm | 5 | |
| Sept. 12 | Sunny | 26° /15° | 0 mm | 6 | |
| Sept. 13 | Light rain | 26° /17° | 5.2 mm | 5 | |
| Sept. 14 |  Partly cloudy | 26° /17° | 0.1 mm | 7 | |
| Sept. 15 | Partly cloudy | 25° /16° | 0 mm | 7 | |
| Sept. 16 | Overcast | 25° /15° | 0 mm | 6 | |
| Sept. 17 | Light rain | 23° /17° | 3 mm | 4 | |
| Sept. 18 |  Mist | 24° /18° | 0.2 mm | 5 | |
| Sept. 19 | Heavy rain | 24° /16° | 52.2 mm | 5 | |
| Sept. 20 | Light rain | 21° /17° | 7.9 mm | 4 | |
| Sept. 21 | Moderate rain | 23° /16° | 15.6 mm | 4 | |
| Sept. 22 |  Thundery outbreaks possible | 20° /15° | 3.8 mm | 4 | |
| Sept. 23 | Patchy rain possible | 23° /14° | 2 mm | 4 | |
| Sept. 24 |  Moderate or heavy rain shower | 21° /15° | 8.5 mm | 4 | |
| Sept. 25 | Heavy rain | 21° /15° | 25.7 mm | 4 | |
| Sept. 26 | Light rain | 23° /17° | 5.9 mm | 4 | |
| Sept. 27 | Moderate rain | 22° /16° | 15.1 mm | 4 | |
| Sept. 28 | Moderate rain | 19° /16° | 10.7 mm | 4 | |
| Sept. 29 | Overcast | 21° /16° | 0 mm | 4 | |
| Sept. 30 | Light rain | 22° /16° | 2.3 mm | 3 | |
| Next | |||||
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.
Change Month
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 24° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Glen Mills during September?
Significant rainfall exceeding 218 mm is expected in Glen Mills during September, occurring over more than 10 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 💧
Typically, Glen Mills has 10 rainy days in September with a total of 218 mm of rainfall.
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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