Jefferson County (Birmingham)
September
Weather in Jefferson County for September 2025
Your guide to Jefferson County weather in September - trends and predictions
In general, the average temperature in Jefferson County at the beginning of September is 30.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 27.6 °F by the end of September.
The climate of Jefferson County in September is notably wet, with an average of 15 rainy days, and a total of 237.6 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
29°/19°
Temperatures
13 km/h
Avg max wind
66 %
Avg humidity
Jefferson County in September average weather
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Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
---|---|---|---|---|---|---|
1 31° | 2 31° | 3 32° | 4 33° | 5 29° | 6 28° | |
7 30° | 8 31° | 9 32° | 10 32° | 11 30° | 12 27° | 13 27° |
14 26° | 15 26° | 16 28° | 17 30° | 18 29° | 19 30° | 20 32° |
21 32° | 22 31° | 23 32° | 24 31° | 25 29° | 26 26° | 27 25° |
28 25° | 29 28° | 30 29° |
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Temperatures trend during September in Jefferson County
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September weather day by day
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Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
Sept. 1 | Moderate or heavy rain shower | 31° /20° | 4.6 mm | 7 | |
Sept. 2 | Overcast | 31° /20° | 0.2 mm | 8 | |
Sept. 3 | Cloudy | 32° /21° | 0 mm | 7 | |
Sept. 4 | Partly cloudy | 33° /21° | 0 mm | 8 | |
Sept. 5 | Overcast | 29° /20° | 1.3 mm | 6 | |
Sept. 6 | Mist | 28° /19° | 12.5 mm | 7 | |
Sept. 7 | Thundery outbreaks possible | 30° /18° | 0.5 mm | 7 | |
Sept. 8 | Sunny | 31° /16° | 0 mm | 8 | |
Sept. 9 | Overcast | 32° /18° | 2 mm | 8 | |
Sept. 10 | Mist | 32° /19° | 0 mm | 8 | |
Sept. 11 | Fog | 30° /19° | 1.2 mm | 7 | |
Sept. 12 | Light rain shower | 27° /19° | 22.1 mm | 6 | |
Sept. 13 | Moderate or heavy rain shower | 27° /19° | 8.6 mm | 6 | |
Sept. 14 | Cloudy | 26° /19° | 4.8 mm | 6 | |
Sept. 15 | Overcast | 26° /19° | 3.5 mm | 6 | |
Sept. 16 | Patchy light drizzle | 28° /20° | 0.9 mm | 7 | |
Sept. 17 | Fog | 30° /19° | 1.9 mm | 8 | |
Sept. 18 | Sunny | 29° /17° | 0 mm | 7 | |
Sept. 19 | Overcast | 30° /17° | 0 mm | 7 | |
Sept. 20 | Cloudy | 32° /19° | 0 mm | 8 | |
Sept. 21 | Overcast | 32° /20° | 0 mm | 7 | |
Sept. 22 | Overcast | 31° /20° | 0 mm | 7 | |
Sept. 23 | Sunny | 32° /20° | 0 mm | 8 | |
Sept. 24 | Partly cloudy | 31° /19° | 4 mm | 8 | |
Sept. 25 | Moderate rain | 29° /20° | 31.6 mm | 7 | |
Sept. 26 | Patchy light drizzle | 26° /18° | 34.5 mm | 6 | |
Sept. 27 | Mist | 25° /18° | 100.6 mm | 6 | |
Sept. 28 | Overcast | 25° /17° | 2.9 mm | 6 | |
Sept. 29 | Partly cloudy | 28° /17° | 0 mm | 7 | |
Sept. 30 | Partly cloudy | 29° /19° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Jefferson 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 Jefferson County forecast closer to your planned date for the most up-to-date weather information.
Jefferson County in September - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during September?
During September, expect a variety of temperatures with highs around 29° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jefferson County during September?
Significant rainfall exceeding 237.6 mm is expected in Jefferson County during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jefferson County during September?
The average wind speed in Jefferson County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Jefferson County
Explore the daily rainfall trends and prepare for Jefferson Countys September weather 💧
UV exposure in Jefferson County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Jefferson County?
Get accurate weather forecasts for Jefferson County, located at latitude 33.521 and longitude -86.802. Stay updated with localized weather information tailored for Jefferson County.
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