Reading (PA)
September
Weather in Reading, Pennsylvania for September 2026
Your guide to Reading weather in September - trends and predictions
So far, September 2026 in Reading shows a warmer trend than usual by 2.7 °F.
Expect cooler weather in the next days in Reading with the forecast suggesting a temperature of 23.7 °F, lower than the historical average.
In general, the average temperature in Reading at the beginning of September is 25.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.9 °F by the end of September.
The climate of Reading in September is notably wet, with an average of 12 rainy days, and a total of 134.4 mm of precipitation.
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Temperatures
Rain 🌧️
More
18
Dry days
12
Rainy days
0
Snow days
23°/14°
Temperatures
13 km/h
Avg max wind
76 %
Avg humidity
Reading Weather September
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Temperatures trend during September in Reading
See the weather trend as well as the moving average line
September weather in Reading day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate or heavy rain shower | 28° /17° | 5.3 mm | 5 | |
| Sept. 2 |  Overcast | 24° /16° | 2.2 mm | 4 | |
| Sept. 3 |  Sunny | 26° /14° | 7.2 mm | 4 | |
| Sept. 4 |  Partly cloudy | 27° /14° | 5.7 mm | 7 | |
| Sept. 5 | Sunny | 27° /15° | 7.2 mm | 7 | |
| Sept. 6 | Overcast | 26° /15° | 0 mm | 6 | |
| Sept. 7 | Moderate rain at times | 22° /12° | 3.4 mm | 6 | |
| Sept. 8 | Sunny | 22° /8° | 0 mm | 6 | |
| Sept. 9 | Overcast | 29° /17° | 0 mm | 7.1 | |
| Sept. 10 |  Patchy rain possible | 26° /19° | 2.7 mm | 4 | |
| Sept. 11 | Overcast | 26° /16° | 0 mm | 6.6 | |
| Sept. 12 | Sunny | 26° /13° | 0 mm | 6.5 | |
| Sept. 13 | Light rain shower | 20° /16° | 7.1 mm | 4 | |
| Sept. 14 |  Fog | 28° /19° | 0.1 mm | 7 | |
| Sept. 15 | Patchy rain possible | 24° /21° | 4.4 mm | 5 | |
| Sept. 16 | Sunny | 22° /15° | 3 mm | 6 | |
| Sept. 17 | Sunny | 23° /12° | 0 mm | 6 | |
| Sept. 18 | Sunny | 28° /14° | 0 mm | 7 | |
| Sept. 19 | Overcast | 22° /13° | 1.1 mm | 4 | |
| Sept. 20 | Overcast | 13° /9° | 0 mm | 3 | |
| Sept. 21 | Overcast | 21° /12° | 0.3 mm | 5 | |
| Sept. 22 | Sunny | 24° /13° | 0.7 mm | 6 | |
| Sept. 23 | Patchy rain possible | 23° /15° | 3.9 mm | 6 | |
| Sept. 24 | Overcast | 23° /15° | 35.7 mm | 6 | |
| Sept. 25 | Moderate or heavy rain shower | 21° /16° | 33.8 mm | 5 | |
| Sept. 26 | Patchy rain possible | 24° /17° | 2.1 mm | 6 | |
| Sept. 27 | Moderate rain at times | 22° /14° | 2 mm | 5 | |
| Sept. 28 | Patchy rain possible | 22° /15° | 11.5 mm | 5 | |
| Sept. 29 | Patchy rain possible | 20° /14° | 0.3 mm | 5 | |
| Sept. 30 |  Light rain | 21° /13° | 8.7 mm | 5 | |
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Important Notice
Our weather forecast for Reading 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 Reading forecast closer to your planned date for the most up-to-date weather information.
Change Month
Reading in September - FAQ
What are the expected maximum and minimum temperatures in Reading during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Reading during September?
Significant rainfall exceeding 134.4 mm is expected in Reading during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Reading during September?
The average wind speed in Reading during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Reading
Explore the daily rainfall trends and prepare for Readings September weather 💧
Typically, Reading has 12 rainy days in September with a total of 134.4 mm of rainfall.
UV exposure in Reading during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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