United StatesAverage weather for Baton Rouge in September
It's hot in September in Baton Rouge with an average temperature of 32°C. Temperatures this month range from a low of 29°C to a high of 34°C. At night, you can expect temperatures between 18°C and 24°C.
Start of September
The month of September starts in Baton Rouge with hot temps, averaging around 33°C during the day and nights around 23°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid September
By mid-September, daytime temps stay steady at around 33°C, with nights around 22°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Baton Rouge is around 32°C, while nighttime temps are about 21°C. A shower might pop up, but overall, the weather will be dry and sunny.
In September, there is an average of 112 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Baton Rouge in September |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 27°C | |
 Max. temperature |
34°C | 31°C | |
| Min. temperature |
29°C | -5°C | |
 Total precipitation |
112 mm | 57 mm | |
| Rainy days |
8 days | 9 days | |
August
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Baton Rouge?
Looking for sun? September isn’t a good month to be in Baton Rouge. The temperature is nice, but there’s too much chance of rain.
The hurricane season in Baton Rouge runs from June to November.
Temperature records
With 38°C in 2023, Baton Rouge reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 22°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 28°C.
Check out the climate of Baton Rouge for all months and discover the best travel time
Daily Temperature in September in Baton Rouge
This chart shows the average daily high and low temperatures in September for Baton Rouge, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Baton Rouge
The chart below shows the average daily precipitation in September for Baton Rouge, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 8 days of precipitation in Baton Rouge.
Daily UV index in September in Baton Rouge
This chart shows the average daily UV index in September in Baton Rouge, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Baton Rouge over the years
This chart shows the average temperature in September in Baton Rouge, measured in degrees Celsius, over the past few years.
Total precipitation in September in Baton Rouge over the years
This chart shows the average precipitation in September in Baton Rouge, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Baton Rouge
Click on any day in September to get detailed info about the usual weather on that day in Baton Rouge. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Baton Rouge
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Average weather in Baton Rouge by month
Click on a month below to see detailed weather info for Baton Rouge. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Baton Rouge for all months at once
