Pasadena (MD)
September
Weather in Pasadena, Maryland for September 2026
Your guide to Pasadena weather in September - trends and predictions
So far, September 2026 in Pasadena shows a warmer trend than usual by 2.2 °F.
The forecast for the next days in Pasadena predicts temperatures to be around 23 °F, close to the historical average.
In general, the average temperature in Pasadena at the beginning of September is 29.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23 °F by the end of September.
Pasadena experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 255.3 mm.
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Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
25°/18°
Temperatures
17 km/h
Avg max wind
71 %
Avg humidity
Pasadena Weather September
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Temperatures trend during September in Pasadena
See the weather trend as well as the moving average line
September weather in Pasadena day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 30° /19° | 1.3 mm | 7 | |
| Sept. 2 | Sunny | 28° /19° | 5 mm | 6 | |
| Sept. 3 | Sunny | 30° /18° | 15.7 mm | 6 | |
| Sept. 4 |  Thundery outbreaks possible | 32° /19° | 2.7 mm | 7 | |
| Sept. 5 | Sunny | 31° /21° | 4.1 mm | 8 | |
| Sept. 6 | Sunny | 31° /20° | 17.4 mm | 7 | |
| Sept. 7 |  Patchy rain possible | 27° /17° | 20.5 mm | 7 | |
| Sept. 8 | Sunny | 29° /15° | 1.2 mm | 7 | |
| Sept. 9 |  Patchy light rain with thunder | 27° /16° | 1.8 mm | 6 | |
| Sept. 10 |  Moderate or heavy rain shower | 28° /19° | 4.4 mm | 5 | |
| Sept. 11 | Patchy rain possible | 27° /18° | 0.8 mm | 6 | |
| Sept. 12 | Sunny | 28° /18° | 0.1 mm | 6 | |
| Sept. 13 | Moderate or heavy rain shower | 27° /19° | 7 mm | 5 | |
| Sept. 14 | Sunny | 27° /19° | 0 mm | 7 | |
| Sept. 15 | Sunny | 26° /16° | 0 mm | 7 | |
| Sept. 16 |  Cloudy | 25° /16° | 2.6 mm | 6 | |
| Sept. 17 | Moderate or heavy rain shower | 23° /17° | 20.5 mm | 5 | |
| Sept. 18 |  Light drizzle | 25° /18° | 2.3 mm | 5 | |
| Sept. 19 | Sunny | 26° /17° | 6.3 mm | 7 | |
| Sept. 20 | Cloudy | 25° /18° | 6.4 mm | 4 | |
| Sept. 21 | Cloudy | 24° /18° | 15.7 mm | 5 | |
| Sept. 22 | Patchy rain possible | 23° /16° | 7.7 mm | 4 | |
| Sept. 23 | Patchy rain possible | 19° /16° | 0.5 mm | 4.7 | |
| Sept. 24 |  Overcast | 19° /14° | 0 mm | 4 | |
| Sept. 25 | Sunny | 22° /14° | 0 mm | 5.5 | |
| Sept. 26 | Sunny | 23° /13° | 0 mm | 5.5 | |
| Sept. 27 | Sunny | 25° /15° | 0 mm | 6 | |
| Sept. 28 | Sunny | 25° /15° | 0 mm | 7 | |
| Sept. 29 | Overcast | 23° /18° | 0 mm | 6 | |
| Sept. 30 | Patchy rain possible | 24° /20° | 1.8 mm | 5 | |
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Important Notice
Our weather forecast for Pasadena 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 Pasadena forecast closer to your planned date for the most up-to-date weather information.
Change Month
Pasadena in September - FAQ
What are the expected maximum and minimum temperatures in Pasadena during September?
During September, expect a variety of temperatures with highs around 25° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Pasadena during September?
Significant rainfall exceeding 255.3 mm is expected in Pasadena during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Pasadena during September?
The average wind speed in Pasadena during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Pasadena
Explore the daily rainfall trends and prepare for Pasadenas September weather 💧
Typically, Pasadena has 22 rainy days in September with a total of 255.3 mm of rainfall.
UV exposure in Pasadena during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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