easeweather.com
Jefferson County (Birmingham)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fayetteville (NC)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Norfolk (VA)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Jefferson County, Alabama for September 2025

Your guide to Jefferson County weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Jefferson County is slightly cooler than the historical average by -1.1 °F.

  • The forecast for the next days in Jefferson County predicts temperatures to be around 31 °F, close to the historical average.

  • In general, the average temperature in Jefferson County at the beginning of September is 30.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.9 °F by the end of September.

    • Rain 🌧️

  • 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.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/19°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Jefferson County Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate or heavy rain shower
30°
2
Overcast
31°
3
Cloudy
30°
4
Partly cloudy
33°
5
Overcast
30°
6
Mist
29°
7
Overcast
29°
8
Sunny
29°
9
Overcast
30°
10
Mist
32°
11
Fog
31°
12
Light rain shower
28°
13
Moderate or heavy rain shower
28°
14
Cloudy
28°
15
Partly cloudy
34°
16
Patchy rain possible
33°
17
Moderate rain
32°
18
Patchy rain possible
34°
19
Sunny
34°
20
Sunny
34°
21
Sunny
32°
22
Sunny
31°
23
Sunny
33°
24
Patchy rain possible
33°
25
Sunny
31°
26
Patchy rain possible
21°
27
Patchy rain possible
25°
28
Patchy rain possible
21°
29
Partly cloudy
28°
30
Partly cloudy
29°

Temperatures trend during September in Jefferson County

See the weather trend as well as the moving average line

September weather in Jefferson County day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /20° 3.1 mm 7
Sept. 2 Overcast
Overcast
 31° /20° 0.1 mm 7
Sept. 3 Cloudy
Cloudy
 30° /20° 0 mm 7
Sept. 4 Partly cloudy
Partly cloudy
 33° /21° 0 mm 8
Sept. 5 Overcast
Overcast
 30° /21° 0.8 mm 6
Sept. 6 Mist
Mist
 29° /20° 8.4 mm 7
Sept. 7 Overcast
Overcast
 29° /18° 0.3 mm 6
Sept. 8 Sunny
Sunny
 29° /16° 0 mm 7
Sept. 9 Overcast
Overcast
 30° /19° 1.3 mm 7
Sept. 10 Mist
Mist
 32° /19° 0 mm 8
Sept. 11 Fog
Fog
 31° /19° 0.8 mm 7
Sept. 12 Light rain shower
Light rain shower
 28° /20° 14.7 mm 6
Sept. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /20° 5.8 mm 7
Sept. 14 Cloudy
Cloudy
 28° /19° 3.2 mm 7
Sept. 15 Partly cloudy
Partly cloudy
 34° /23° 0 mm 1.7
Sept. 16 Patchy rain possible
Patchy rain possible
 33° /23° 4.5 mm 1.1
Sept. 17 Moderate rain
Moderate rain
 32° /21° 11.7 mm 1.6
Sept. 18 Patchy rain possible
Patchy rain possible
 34° /20° 1.3 mm 1.6
Sept. 19 Sunny
Sunny
 34° /21° 0 mm 0
Sept. 20 Sunny
Sunny
 34° /22° 0 mm 7
Sept. 21 Sunny
Sunny
 32° /22° 0 mm 7
Sept. 22 Sunny
Sunny
 31° /20° 0 mm 6
Sept. 23 Sunny
Sunny
 33° /21° 0 mm 7
Sept. 24 Patchy rain possible
Patchy rain possible
 33° /21° 0.5 mm 6
Sept. 25 Sunny
Sunny
 31° /23° 0 mm 7
Sept. 26 Patchy rain possible
Patchy rain possible
 21° /21° 4.7 mm 5
Sept. 27 Patchy rain possible
Patchy rain possible
 25° /21° 2.4 mm 5
Sept. 28 Patchy rain possible
Patchy rain possible
 21° /19° 3.3 mm 5
Sept. 29 Partly cloudy
Partly cloudy
 28° /17° 0 mm 7
Sept. 30 Partly cloudy
Partly cloudy
 29° /19° 0 mm 7
Next
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.
Change Month
‹
›

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 ☀️
Top locations in Jefferson County
Select a location for an accurate weather forecast
BeaumontBirminghamLakewoodLouisvilleWatertown
More Locations

Quick links

More Jefferson County weather pages
You are here
Location coordinates 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.

Found a mistake?
We appreciate your attention to details. Tell us here.