Baton Rouge Weather in September

September in Baton Rouge typically sees daytime highs of 31°C (88°F) and nighttime lows of 21°C (70°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Baton Rouge in September

The climate data from previous years indicates about 12 days of rain, averaging 135 mm (5.3 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Baton Rouge in September

In September, Baton Rouge sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 21°C (70°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.

Sunshine in Baton Rouge in September

The month enjoys around 240 hours of sunshine, creating mostly sunny days with good weather conditions.

If you prefer dry days with pleasant temperatures, March, April, May, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
• March
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• May
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• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Baton Rouge's climate page.

Baton Rouge Temperature in September

Min Temperature 21°C (70°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 40%  

Precipitation 135 mm (5.3 in)  

Rainy days 12 days  

Humidity 77%  

Sunshine 240 hours  

Percentage Sunshine  

What to Wear in Baton Rouge in September

Warm but pleasant conditions in Baton Rouge in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Baton Rouge in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Baton Rouge's climate page.

More climate data for Baton Rouge

Temperature Rainfall Sunshine Humidity

See the full Baton Rouge climate overview or explore weather in the United States of America.