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Osceola County (Kissimmee)
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United States weather

Weather in Osceola County, Florida for September 2026

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

    Temperatures

  • So far, September 2026 in Osceola County is slightly warmer than the historical average by 1.6 °F.

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

  • In general, the average temperature in Osceola County at the beginning of September is 31.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 29 °F by the end of September.

    • Rain 🌧️

  • Osceola County experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 482.1 mm.

    • More

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

Average dry days
3
Dry days
Average rainy days
27
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/23°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Osceola 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
Moderate or heavy rain shower
30°
3
Moderate or heavy rain shower
31°
4
Moderate or heavy rain shower
33°
5
Moderate or heavy rain shower
33°
6
Moderate rain at times
32°
7
Heavy rain at times
31°
8
Moderate or heavy rain shower
30°
9
Moderate or heavy rain shower
29°
10
Moderate or heavy rain shower
31°
11
Heavy rain at times
30°
12
Heavy rain at times
32°
13
Patchy rain possible
31°
14
Moderate or heavy rain shower
31°
15
Patchy rain possible
31°
16
Patchy rain possible
32°
17
Patchy rain possible
31°
18
Sunny
31°
19
Sunny
33°
20
Partly cloudy
33°
21
Partly cloudy
33°
22
Sunny
34°
23
Overcast
32°
24
Overcast
31°
25
Overcast
27°
26
Light rain shower
26°
27
Light rain shower
28°
28
Light rain shower
29°
29
Patchy rain possible
28°
30
Light rain shower
34°

Temperatures trend during September in Osceola County

See the weather trend as well as the moving average line

September weather in Osceola 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° /23° 36.7 mm 7
Sept. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 44.1 mm 6
Sept. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /23° 27.8 mm 5
Sept. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /24° 10.6 mm 8
Sept. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /24° 10.1 mm 7
Sept. 6 Moderate rain at times
Moderate rain at times
 32° /24° 17.3 mm 7
Sept. 7 Heavy rain at times
Heavy rain at times
 31° /24° 28.5 mm 7
Sept. 8 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 100.5 mm 5
Sept. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /23° 28.4 mm 7
Sept. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /24° 21.2 mm 5
Sept. 11 Heavy rain at times
Heavy rain at times
 30° /23° 5.2 mm 6
Sept. 12 Heavy rain at times
Heavy rain at times
 32° /23° 71.8 mm 6
Sept. 13 Patchy rain possible
Patchy rain possible
 31° /23° 30.8 mm 6
Sept. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /23° 6 mm 6
Sept. 15 Patchy rain possible
Patchy rain possible
 31° /23° 5.1 mm 7
Sept. 16 Patchy rain possible
Patchy rain possible
 32° /25° 0.2 mm 8.8
Sept. 17 Patchy rain possible
Patchy rain possible
 31° /24° 2.6 mm 9
Sept. 18 Sunny
Sunny
 31° /23° 2.1 mm 8.6
Sept. 19 Sunny
Sunny
 33° /23° 2.7 mm 9.4
Sept. 20 Partly cloudy
Partly cloudy
 33° /24° 0.9 mm 8
Sept. 21 Partly cloudy
Partly cloudy
 33° /24° 2.4 mm 8
Sept. 22 Sunny
Sunny
 34° /24° 0.9 mm 8
Sept. 23 Overcast
Overcast
 32° /25° 7.3 mm 7
Sept. 24 Overcast
Overcast
 31° /24° 0.1 mm 7
Sept. 25 Overcast
Overcast
 27° /23° 3.3 mm 5
Sept. 26 Light rain shower
Light rain shower
 26° /22° 25.7 mm 6
Sept. 27 Light rain shower
Light rain shower
 28° /22° 79.7 mm 6
Sept. 28 Light rain shower
Light rain shower
 29° /23° 9.1 mm 7
Sept. 29 Patchy rain possible
Patchy rain possible
 28° /24° 0.6 mm 6
Sept. 30 Light rain shower
Light rain shower
 34° /24° 6.1 mm 8
Next
Important Notice
Our weather forecast for Osceola 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 Osceola County forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Osceola County in September - FAQ

What are the expected maximum and minimum temperatures in Osceola County during September?
During September, expect a variety of temperatures with highs around 31° and lows near 23°, suitable for diverse activities and preferences.

How much rainfall should be expected in Osceola County during September?
Significant rainfall exceeding 482.1 mm is expected in Osceola County during September, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Osceola County during September?
The average wind speed in Osceola County during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Osceola County

Explore the daily rainfall trends and prepare for Osceola Countys September weather 💧
Typically, Osceola County has 27 rainy days in September with a total of 482.1 mm of rainfall.

UV exposure in Osceola County during September

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

Get accurate weather forecasts for Osceola County, located at latitude 28.305 and longitude -81.417. Stay updated with localized weather information tailored for Osceola County.

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