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Weather in Huntsville for September 2026

Your guide to Huntsville weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Huntsville is slightly cooler than the historical average by 1.4 °C.

  • The forecast for the next days in Huntsville predicts a temperature of 14.5 °C, which is cooler than the historical average.

  • In general, the average temperature in Huntsville at the beginning of September is 22.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.3 °C by the end of September.

    • Rain 🌧️

  • The climate of Huntsville in September is notably wet, with an average of 13 rainy days, and a total of 141 mm of precipitation.

    • More

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

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/11°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Huntsville Weather September

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

Temperatures trend during September in Huntsville

See the weather trend as well as the moving average line

September weather in Huntsville day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 24° /12° 2.3 mm 4
2 Sept. Patchy rain possible
Patchy rain possible
 23° /12° 1.5 mm 4
3 Sept. Mist
Mist
 25° /13° 0 mm 6
4 Sept. Sunny
Sunny
 23° /11° 22.5 mm 6
5 Sept. Sunny
Sunny
 25° /12° 0 mm 6
6 Sept. Light rain shower
Light rain shower
 21° /14° 9.1 mm 5
7 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /9° 8.1 mm 4
8 Sept. Overcast
Overcast
 20° /9° 0.1 mm 4
9 Sept. Mist
Mist
 22° /10° 5.3 mm 4
10 Sept. Mist
Mist
 21° /11° 0 mm 6
11 Sept. Light rain
Light rain
 22° /10° 0.8 mm 6
12 Sept. Overcast
Overcast
 23° /10° 4.8 mm 5
13 Sept. Overcast
Overcast
 22° /12° 1 mm 5
14 Sept. Overcast
Overcast
 22° /10° 0 mm 6
15 Sept. Sunny
Sunny
 23° /10° 1 mm 5
16 Sept. Mist
Mist
 24° /11° 0 mm 5
17 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /11° 3 mm 5
18 Sept. Fog
Fog
 21° /10° 0 mm 4
19 Sept. Partly cloudy
Partly cloudy
 20° /8° 0 mm 5
20 Sept. Mist
Mist
 21° /7° 0 mm 5
21 Sept. Partly cloudy
Partly cloudy
 20° /9° 3.1 mm 4
22 Sept. Partly cloudy
Partly cloudy
 21° /11° 14.8 mm 5
23 Sept. Fog
Fog
 21° /11° 19 mm 5
24 Sept. Cloudy
Cloudy
 20° /11° 0.9 mm 5
25 Sept. Partly cloudy
Partly cloudy
 21° /11° 15.9 mm 5
26 Sept. Overcast
Overcast
 19° /8° 0 mm 4.6
27 Sept. Overcast
Overcast
 19° /10° 0 mm 4.4
28 Sept. Overcast
Overcast
 18° /9° 0.7 mm 4.6
29 Sept. Overcast
Overcast
 19° /12° 0 mm 3.4
30 Sept. Fog
Fog
 19° /12° 0.6 mm 2.9
Next
Important Notice
Our weather forecast for Huntsville 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 Huntsville forecast closer to your planned date for the most up-to-date weather information.
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Huntsville in September - FAQ

What are the expected maximum and minimum temperatures in Huntsville during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Huntsville during September?
Significant rainfall exceeding 141 mm is expected in Huntsville during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Huntsville during September?
The average wind speed in Huntsville during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Huntsville

Explore the daily rainfall trends and prepare for Huntsvilles September weather 💧
Typically, Huntsville has 13 rainy days in September with a total of 141 mm of rainfall.

UV exposure in Huntsville during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Get accurate weather forecasts for Huntsville, located at latitude 45.333 and longitude -79.216. Stay updated with localized weather information tailored for Huntsville.

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