Baton Rouge in september: average Weather, Temperature and Climate
Weather in Baton Rouge in september 2025
The weather in Baton Rouge in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 7
Weather at 6am
72°F
Fog
35% of time
33%
14%
14%
Weather at 12pm
88°F
Clear/Sunny
35% of time
25%
20%
15%
Weather at 6pm
81°F
Clear/Sunny
33% of time
27%
20%
17%
Weather at 3am
72°F
35%
32%
17%
12%
Evolution of daily average temperature and precipitation in Baton Rouge in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Baton Rouge in september.
The climate of Baton Rouge in september is good
In september in Baton Rouge, the climate is wet (with 7.5in of rainfall over 10 days). The weather is better from the previous month since in august it receives an average of 11in of precipitation over 15 days.
The climate quite good in that area september. Temperatures are up to 90°F. In the morning the temperature drops to 72°F. Thus, the mean temperature average on this month of september in Baton Rouge is 81°F. Note that these seasonal averages are in contrast with those observed in Baton Rouge in september with a maximum record of 103°F in 2015 and a minimum record of 54°F in 2011. You can expect to have about 22 days with temperatures over 86°F, or 73 of the month.
Day length in Baton Rouge in september is 12:20. Sunrise is at 05:49 and sets at 18:09.
With a good climate, the month of september is a good month to go in that area.
Seasonal average climate and temperature of Baton Rouge in september
Check below seasonal norms These statistics are set from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 81°F | ||||
| Highest temperature | 90°F | ||||
| Lowest temperature | 72°F | ||||
| Highest record temperature | 103°F (2015) | ||||
| Lowest record temperature | 54°F (2011) | ||||
| Number of days at +86°F | 22 day(s) (73%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 11km/h | ||||
| Wind temperature | 72°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 7.5in | ||||
| Number of days with rainfall | 10 day(s) (33%) | ||||
| Record daily rainfall | 3.6in (2011) | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 8.34km | ||||
| Cloud cover | 33% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:49 | ||||
| Time of sunset | 18:09 | ||||
| Length of day | 12:20 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Baton Rouge in september 2024:
72°F to 86°F
72°F to 92°F
76°F to 94°F
77°F to 81°F
76°F to 77°F
74°F to 83°F
68°F to 77°F
68°F to 85°F
65°F to 86°F
72°F to 79°F
72°F to 76°F
70°F to 76°F
65°F to 85°F
68°F to 85°F
72°F to 86°F
72°F to 83°F
76°F to 83°F
76°F to 88°F
76°F to 90°F
77°F to 90°F
74°F to 92°F
72°F to 90°F
70°F to 90°F
72°F to 86°F
74°F to 85°F
70°F to 86°F
63°F to 81°F
67°F to 90°F
70°F to 90°F
72°F to 86°F
Map: other cities in Louisiana in september
Cities near Baton Rouge:
| New Iberia in september | good weather |
| Morgan City in september | good weather |
| Opelousas in september | good weather |
| Houma in september | good weather |
| Marksville in september | good weather |
| New Orleans in september | good weather |
| Marsh Island in september | good weather |
| Slidell in september | good weather |
| Oakdale in september | good weather |
| Pecan Island in september | good weather |
| Alexandria (Louisiane) in september | good weather |
| Grand Isle in september | good weather |
Click over cities on the map for information about the weather in september.
Baton Rouge
perfect weather
good
tolerable
bad
very bad
Weather data for Baton Rouge in september:
Weather data for Baton Rouge for september are derived from an average of the weather forecast since 2009 in Baton Rouge. There is a margin of error and these forecasts are to be considered as general information only. The weather in Baton Rouge can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Baton Rouge.