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Weather in Duval County for September 2025

Your guide to Duval County weather in September - trends and predictions
  • In general, the average temperature in Duval County at the beginning of September is 31.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.6 °F by the end of September.

  • Expect significant rainfall in Duval County during September, with an average of 17 rainy days.

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Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/23°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
67 %
Avg humidity

Duval County in September average weather

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Temperatures trend during September in Duval 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 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 4.1 mm 7
Sept. 2 Cloudy
Cloudy
32° /24° 0.1 mm 7
Sept. 3 Cloudy
Cloudy
31° /23° 2.5 mm 7
Sept. 4 Partly cloudy
Partly cloudy
31° /23° 4.1 mm 7
Sept. 5 Overcast
Overcast
32° /23° 9.5 mm 7
Sept. 6 Partly cloudy
Partly cloudy
34° /23° 23.4 mm 8
Sept. 7 Cloudy
Cloudy
32° /23° 2.7 mm 7
Sept. 8 Thundery outbreaks possible
Thundery outbreaks possible
31° /21° 2.9 mm 7
Sept. 9 Thundery outbreaks possible
Thundery outbreaks possible
30° /22° 6.5 mm 7
Sept. 10 Overcast
Overcast
31° /23° 7.8 mm 7
Sept. 11 Thundery outbreaks possible
Thundery outbreaks possible
30° /23° 39 mm 7
Sept. 12 Thundery outbreaks possible
Thundery outbreaks possible
32° /23° 1 mm 7
Sept. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
32° /23° 9.2 mm 7
Sept. 14 Light rain shower
Light rain shower
31° /24° 4.5 mm 7
Sept. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /23° 12.3 mm 7
Sept. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /23° 10.3 mm 7
Sept. 17 Light rain shower
Light rain shower
32° /23° 7.5 mm 7
Sept. 18 Fog
Fog
32° /23° 3.3 mm 7
Sept. 19 Cloudy
Cloudy
29° /22° 3 mm 7
Sept. 20 Light rain shower
Light rain shower
30° /22° 3.8 mm 7
Sept. 21 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /22° 10.7 mm 6
Sept. 22 Light rain
Light rain
31° /21° 3.4 mm 7
Sept. 23 Sunny
Sunny
33° /20° 0 mm 8
Sept. 24 Partly cloudy
Partly cloudy
34° /21° 0 mm 8
Sept. 25 Overcast
Overcast
33° /23° 0 mm 8
Sept. 26 Torrential rain shower
Torrential rain shower
29° /23° 48.3 mm 6
Sept. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /25° 14.6 mm 7
Sept. 28 Torrential rain shower
Torrential rain shower
29° /22° 53.5 mm 6
Sept. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 9.4 mm 7
Sept. 30 Mist
Mist
30° /23° 10.6 mm 7
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Important Notice
Our weather forecast for Duval 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 Duval County forecast closer to your planned date for the most up-to-date weather information.

Duval County in September - FAQ

What are the expected maximum and minimum temperatures in Duval County during September?
During September, expect a variety of temperatures with highs around 32° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Duval County during September?
Significant rainfall exceeding 332.9 mm is expected in Duval County during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Duval County during September?
The average wind speed in Duval County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Duval County

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

UV exposure in Duval 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 Duval County?

Get accurate weather forecasts for Duval County, located at latitude 30.332 and longitude -81.656. Stay updated with localized weather information tailored for Duval County.

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