Anne Arundel County (Pasadena)
September
Weather in Anne Arundel County for September 2025
Your guide to Anne Arundel County weather in September - trends and predictions
In general, the average temperature in Anne Arundel County at the beginning of September is 29.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.7 °F by the end of September.
Anne Arundel County in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 223.7 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
13
Dry days
17
Rainy days
0
Snow days
25°/18°
Temperatures
18 km/h
Avg max wind
71 %
Avg humidity
Anne Arundel County in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 27° | 3 29° | 4  30° | 5 31° | 6 31° | 7  29° |
| 8  29° | 9  27° | 10  29° | 11 28° | 12  28° | 13 26° | 14 27° |
| 15 26° | 16 26° | 17  22° | 18  22° | 19 23° | 20  25° | 21 25° |
| 22 22° | 23 20° | 24 19° | 25 20° | 26 21° | 27 21° | 28  22° |
| 29 20° | 30 22° |
You can click on date
Access Anne Arundel County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Anne Arundel County
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 28° /19° | 2.5 mm | 7 | |
| Sept. 2 | Sunny | 27° /17° | 0 mm | 7 | |
| Sept. 3 | Sunny | 29° /16° | 0 mm | 8 | |
| Sept. 4 | Thundery outbreaks possible | 30° /19° | 0.2 mm | 7 | |
| Sept. 5 | Sunny | 31° /20° | 0 mm | 8 | |
| Sept. 6 | Sunny | 31° /21° | 0.9 mm | 7 | |
| Sept. 7 | Patchy rain possible | 29° /20° | 0.2 mm | 7 | |
| Sept. 8 | Partly cloudy | 29° /16° | 2.5 mm | 8 | |
| Sept. 9 | Patchy light rain with thunder | 27° /17° | 3.5 mm | 7 | |
| Sept. 10 | Moderate or heavy rain shower | 29° /18° | 8.8 mm | 7 | |
| Sept. 11 | Patchy rain possible | 28° /18° | 0.6 mm | 7 | |
| Sept. 12 | Mist | 28° /19° | 0 mm | 7 | |
| Sept. 13 | Moderate or heavy rain shower | 26° /18° | 3.8 mm | 7 | |
| Sept. 14 | Sunny | 27° /18° | 0 mm | 7 | |
| Sept. 15 | Sunny | 26° /15° | 0 mm | 7 | |
| Sept. 16 | Sunny | 26° /15° | 5.3 mm | 6 | |
| Sept. 17 | Heavy rain | 22° /18° | 9.3 mm | 5 | |
| Sept. 18 | Light drizzle | 22° /17° | 3.4 mm | 5 | |
| Sept. 19 | Sunny | 23° /15° | 12.7 mm | 6 | |
| Sept. 20 | Cloudy | 25° /17° | 0 mm | 5 | |
| Sept. 21 | Cloudy | 25° /18° | 27.4 mm | 6 | |
| Sept. 22 | Patchy rain possible | 22° /16° | 0.1 mm | 5 | |
| Sept. 23 | Light rain shower | 20° /15° | 38.6 mm | 5 | |
| Sept. 24 | Light rain shower | 19° /16° | 75.3 mm | 4 | |
| Sept. 25 | Patchy rain possible | 20° /17° | 4.2 mm | 5 | |
| Sept. 26 | Light rain | 21° /18° | 3.1 mm | 5 | |
| Sept. 27 | Patchy rain possible | 21° /17° | 12.2 mm | 5 | |
| Sept. 28 | Overcast | 22° /16° | 7.1 mm | 5 | |
| Sept. 29 | Light rain shower | 20° /17° | 1.6 mm | 5 | |
| Sept. 30 | Patchy rain possible | 22° /16° | 0.3 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Anne Arundel 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 Anne Arundel County forecast closer to your planned date for the most up-to-date weather information.
Anne Arundel County in September - FAQ
What are the expected maximum and minimum temperatures in Anne Arundel County 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 Anne Arundel County during September?
Significant rainfall exceeding 223.7 mm is expected in Anne Arundel County during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Anne Arundel County during September?
The average wind speed in Anne Arundel County during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Anne Arundel County
Explore the daily rainfall trends and prepare for Anne Arundel Countys September weather 💧
UV exposure in Anne Arundel County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Anne Arundel County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Anne Arundel County?Get accurate weather forecasts for Anne Arundel County, located at latitude 39.107 and longitude -76.571. Stay updated with localized weather information tailored for Anne Arundel County.
Found a mistake?
We appreciate your attention to details. Tell us here.