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Weather in Marion County for September 2025

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

    Temperatures

  • In general, the average temperature in Marion County at the beginning of September is 31.1 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 30.9 °F by the end of September.

  • Rain 🌧️

  • Marion County experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 252.3 mm.

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Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/23°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Marion County in September average weather

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Temperatures trend during September in Marion County

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Light rain shower
Light rain shower
30° /22° 1.2 mm 7
Sept. 2 Patchy rain possible
Patchy rain possible
31° /23° 0.5 mm 7
Sept. 3 Light rain shower
Light rain shower
31° /24° 10.7 mm 7
Sept. 4 Patchy light drizzle
Patchy light drizzle
33° /24° 4.9 mm 7
Sept. 5 Light rain shower
Light rain shower
32° /23° 10.4 mm 7
Sept. 6 Light rain shower
Light rain shower
31° /23° 11.4 mm 7
Sept. 7 Light rain shower
Light rain shower
30° /23° 5.7 mm 7
Sept. 8 Light rain shower
Light rain shower
29° /22° 3.9 mm 6
Sept. 9 Light rain shower
Light rain shower
25° /23° 2.1 mm 6
Sept. 10 Light rain shower
Light rain shower
27° /22° 5.4 mm 6
Sept. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /23° 11 mm 6
Sept. 12 Light rain shower
Light rain shower
30° /23° 3.1 mm 7
Sept. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /23° 6.3 mm 6
Sept. 14 Light rain shower
Light rain shower
31° /22° 6.9 mm 7
Sept. 15 Light rain shower
Light rain shower
30° /23° 3.4 mm 7
Sept. 16 Light rain shower
Light rain shower
29° /22° 6.4 mm 6
Sept. 17 Mist
Mist
30° /22° 0 mm 7
Sept. 18 Fog
Fog
30° /22° 0 mm 7
Sept. 19 Light rain shower
Light rain shower
30° /23° 8.6 mm 7
Sept. 20 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 56.9 mm 7
Sept. 21 Partly cloudy
Partly cloudy
31° /22° 0 mm 8
Sept. 22 Mist
Mist
33° /23° 0 mm 7
Sept. 23 Fog
Fog
34° /20° 0 mm 7
Sept. 24 Fog
Fog
34° /21° 0 mm 7
Sept. 25 Mist
Mist
31° /23° 0 mm 7
Sept. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /24° 36.9 mm 6
Sept. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /26° 31.1 mm 7
Sept. 28 Mist
Mist
33° /24° 0 mm 7
Sept. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /25° 20.9 mm 6
Sept. 30 Heavy rain at times
Heavy rain at times
32° /24° 4.4 mm 7
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Important Notice
Our weather forecast for Marion 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 Marion County forecast closer to your planned date for the most up-to-date weather information.

Marion County in September - FAQ

What are the expected maximum and minimum temperatures in Marion 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 Marion County during September?
Significant rainfall exceeding 252.3 mm is expected in Marion County during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Marion County during September?
The average wind speed in Marion County during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Marion County

Explore the daily rainfall trends and prepare for Marion Countys September weather 💧

UV exposure in Marion County during September

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

Get accurate weather forecasts for Marion County, located at latitude 29.187 and longitude -82.14. Stay updated with localized weather information tailored for Marion County.

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