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United States weather

Weather in Sumter County, Florida for September 2026

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

    Temperatures

  • Until now, September 2026 in Sumter County has been nearly identical to the historical average, with a temperature of 31.3 °F (showing only a slight deviation of 0.3 °F).

  • The forecast for the upcoming days in Sumter County predicts a temperature of 31.2 °F, which is slightly above the historical average.

  • In general, the average temperature in Sumter County at the beginning of September is 31.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.7 °F by the end of September.

    • Rain 🌧️

  • Sumter County experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 438.2 mm.

    • More

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

Average dry days
5
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/23°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Sumter County Weather September

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

Temperatures trend during September in Sumter County

See the weather trend as well as the moving average line

September weather in Sumter County day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Moderate rain at times
Moderate rain at times
 31° /23° 181 mm 8
Sept. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 20 mm 5
Sept. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /23° 95.3 mm 6
Sept. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /24° 67.2 mm 8
Sept. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /24° 2.9 mm 7
Sept. 6 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /23° 5.9 mm 8
Sept. 7 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /24° 3.1 mm 7
Sept. 8 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 55.2 mm 5
Sept. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /23° 22.1 mm 7
Sept. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /23° 33.2 mm 6
Sept. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /22° 8.6 mm 8
Sept. 12 Patchy rain possible
Patchy rain possible
 31° /22° 33.6 mm 6
Sept. 13 Patchy rain possible
Patchy rain possible
 30° /23° 1.9 mm 7
Sept. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /22° 7.5 mm 7
Sept. 15 Patchy rain possible
Patchy rain possible
 31° /22° 1.3 mm 7
Sept. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /22° 4.2 mm 7
Sept. 17 Moderate rain at times
Moderate rain at times
 32° /23° 59.6 mm 8
Sept. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /22° 8 mm 6
Sept. 19 Moderate rain at times
Moderate rain at times
 31° /22° 1.3 mm 7
Sept. 20 Moderate rain at times
Moderate rain at times
 30° /22° 3 mm 6
Sept. 21 Heavy rain at times
Heavy rain at times
 31° /22° 1.6 mm 6
Sept. 22 Heavy rain at times
Heavy rain at times
 32° /22° 4.2 mm 7
Sept. 23 Overcast
Overcast
 32° /21° 12.5 mm 6
Sept. 24 Overcast
Overcast
 32° /22° 0 mm 7
Sept. 25 Moderate rain at times
Moderate rain at times
 30° /24° 7.8 mm 7
Sept. 26 Sunny
Sunny
 29° /18° 0 mm 8.3
Sept. 27 Overcast
Overcast
 30° /18° 0 mm 7.8
Sept. 28 Sunny
Sunny
 30° /21° 0.1 mm 8
Sept. 29 Sunny
Sunny
 31° /21° 0.4 mm 8
Sept. 30 Sunny
Sunny
 33° /22° 1.8 mm 8
Next
Important Notice
Our weather forecast for Sumter 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 Sumter County forecast closer to your planned date for the most up-to-date weather information.
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Sumter County in September - FAQ

What are the expected maximum and minimum temperatures in Sumter County during September?
During September, expect a variety of temperatures with highs around 30° and lows near 23°, suitable for diverse activities and preferences.

How much rainfall should be expected in Sumter County during September?
Significant rainfall exceeding 438.2 mm is expected in Sumter County during September, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Sumter County during September?
The average wind speed in Sumter County during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Sumter County

Explore the daily rainfall trends and prepare for Sumter Countys September weather 💧
Typically, Sumter County has 25 rainy days in September with a total of 438.2 mm of rainfall.

UV exposure in Sumter County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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The Villages
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Location coordinates Where is Sumter County?

Get accurate weather forecasts for Sumter County, located at latitude 28.934 and longitude -81.96. Stay updated with localized weather information tailored for Sumter County.

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