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Weather in Baton Rouge for September 2025

Your guide to Baton Rouge weather in September - trends and predictions
  • In general, the average temperature in Baton Rouge at the beginning of September is 33.1 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 32.7 °F by the end of September.

  • The climate of Baton Rouge in September is notably wet, with an average of 12 rainy days.

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Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
35°/22°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Baton Rouge in September average weather

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Temperatures trend during September in Baton Rouge

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 Patchy rain possible
Patchy rain possible
33° /22° 0.9 mm 8
Sept. 2 Patchy rain possible
Patchy rain possible
35° /23° 0.6 mm 8
Sept. 3 Patchy rain possible
Patchy rain possible
36° /24° 0.4 mm 8
Sept. 4 Light rain shower
Light rain shower
31° /24° 11.4 mm 7
Sept. 5 Cloudy
Cloudy
31° /23° 10 mm 7
Sept. 6 Sunny
Sunny
33° /21° 13.7 mm 8
Sept. 7 Thundery outbreaks possible
Thundery outbreaks possible
33° /21° 1.7 mm 7
Sept. 8 Moderate or heavy rain shower
Moderate or heavy rain shower
34° /21° 4.1 mm 8
Sept. 9 Sunny
Sunny
33° /19° 1.1 mm 8
Sept. 10 Sunny
Sunny
31° /21° 4.5 mm 8
Sept. 11 Overcast
Overcast
30° /22° 60.3 mm 7
Sept. 12 Cloudy
Cloudy
31° /21° 5.9 mm 7
Sept. 13 Light rain shower
Light rain shower
32° /19° 0.6 mm 8
Sept. 14 Overcast
Overcast
31° /20° 0.4 mm 7
Sept. 15 Overcast
Overcast
32° /22° 0.3 mm 7
Sept. 16 Patchy light drizzle
Patchy light drizzle
32° /21° 3.3 mm 7
Sept. 17 Partly cloudy
Partly cloudy
32° /22° 58.2 mm 8
Sept. 18 Sunny
Sunny
33° /21° 4.8 mm 8
Sept. 19 Cloudy
Cloudy
33° /22° 8.2 mm 7
Sept. 20 Partly cloudy
Partly cloudy
33° /22° 0 mm 8
Sept. 21 Cloudy
Cloudy
34° /22° 0 mm 8
Sept. 22 Patchy light rain
Patchy light rain
34° /22° 1.1 mm 8
Sept. 23 Patchy rain possible
Patchy rain possible
33° /21° 0.7 mm 7
Sept. 24 Patchy rain possible
Patchy rain possible
33° /23° 0.2 mm 8
Sept. 25 Moderate or heavy rain shower
Moderate or heavy rain shower
32° /23° 4.4 mm 7
Sept. 26 Patchy light drizzle
Patchy light drizzle
32° /20° 0.9 mm 8
Sept. 27 Patchy rain possible
Patchy rain possible
31° /19° 0 mm 7
Sept. 28 Partly cloudy
Partly cloudy
33° /20° 0 mm 8
Sept. 29 Mist
Mist
34° /22° 0 mm 8
Sept. 30 Mist
Mist
34° /21° 0 mm 8
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Important Notice
Our weather forecast for Baton Rouge 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 Baton Rouge forecast closer to your planned date for the most up-to-date weather information.

Baton Rouge in September - FAQ

What are the expected maximum and minimum temperatures in Baton Rouge during September?
With daytime temperatures soaring above 35° and not dropping much below 22° at night, September in Baton Rouge is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Baton Rouge during September?
In September, Baton Rouge can expect light to moderate rainfall, totaling 32.7 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Baton Rouge during September?
The average wind speed in Baton Rouge during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Baton Rouge

Explore the daily rainfall trends and prepare for Baton Rouges September weather 💧

UV exposure in Baton Rouge during September

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

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Location coordinates Where is Baton Rouge?

Get accurate weather forecasts for Baton Rouge, located at latitude 30.443 and longitude -91.187. Stay updated with localized weather information tailored for Baton Rouge.

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