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Weather in Louisiana for September 2027

Your guide to Louisiana weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Louisiana at the beginning of September is 32.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 31.8 °C by the end of September.

    • Rain 🌧️

  • Louisiana experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 203.8 mm.

    • More

  • Is September a good time to visit Louisiana? check out the best time to travel to Louisiana page.

  • ✨ Is September a good time to visit Louisiana? – Ask the AI Weatherman

Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/24°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Louisiana Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain
32°
2
Moderate rain
32°
3
Light rain shower
33°
4
Heavy rain
32°
5
Moderate rain
31°
6
Light rain
32°
7
Moderate rain
34°
8
Thundery outbreaks possible
32°
9
Patchy rain possible
32°
10
Heavy rain
31°
11
Moderate rain
32°
12
Light rain
32°
13
Patchy rain possible
34°
14
Cloudy
33°
15
Patchy rain possible
32°
16
Light rain
32°
17
Light rain
32°
18
Sunny
32°
19
Cloudy
33°
20
Partly cloudy
33°
21
Patchy rain possible
32°
22
Patchy rain possible
33°
23
Cloudy
33°
24
Partly cloudy
32°
25
Light rain
31°
26
Overcast
31°
27
Light rain shower
31°
28
Light rain shower
33°
29
Partly cloudy
34°
30
Sunny
32°

What’s the Weather Like in Louisiana This September?

Discover the average temperatures and weather trends across Louisiana’s cities this September.
Patchy rain possibleNew Orleans32 °C / 24 °CCloudyBaton Rouge33 °C / 22 °CCloudyShreveport34 °C / 22 °CCloudyLafayette33 °C / 22 °CPatchy rain possibleLake Charles31 °C / 22 °CCloudyMonroe34 °C / 21 °CCloudyAlexandria34 °C / 22 °CMore Locations

Temperatures trend during September in Louisiana

See the weather trend as well as the moving average line

September weather in Louisiana day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Moderate rain
Moderate rain
 32° /25° 22.5 mm 6
Sept. 2 Moderate rain
Moderate rain
 32° /25° 11.3 mm 8
Sept. 3 Light rain shower
Light rain shower
 33° /24° 0.4 mm 8
Sept. 4 Heavy rain
Heavy rain
 32° /25° 25.1 mm 6
Sept. 5 Moderate rain
Moderate rain
 31° /25° 23.4 mm 6
Sept. 6 Light rain
Light rain
 32° /24° 5 mm 8
Sept. 7 Moderate rain
Moderate rain
 34° /25° 18.9 mm 8
Sept. 8 Thundery outbreaks possible
Thundery outbreaks possible
 32° /24° 0.5 mm 8
Sept. 9 Patchy rain possible
Patchy rain possible
 32° /23° 1.3 mm 8
Sept. 10 Heavy rain
Heavy rain
 31° /24° 52.1 mm 6
Sept. 11 Moderate rain
Moderate rain
 32° /24° 16.2 mm 7
Sept. 12 Light rain
Light rain
 32° /24° 3.2 mm 7
Sept. 13 Patchy rain possible
Patchy rain possible
 34° /24° 1 mm 8
Sept. 14 Cloudy
Cloudy
 33° /24° 0.5 mm 8
Sept. 15 Patchy rain possible
Patchy rain possible
 32° /25° 1.6 mm 8
Sept. 16 Light rain
Light rain
 32° /25° 4.3 mm 7
Sept. 17 Light rain
Light rain
 32° /25° 2.6 mm 8
Sept. 18 Sunny
Sunny
 32° /24° 0.2 mm 8
Sept. 19 Cloudy
Cloudy
 33° /24° 0 mm 8
Sept. 20 Partly cloudy
Partly cloudy
 33° /24° 0.9 mm 8
Sept. 21 Patchy rain possible
Patchy rain possible
 32° /25° 0.5 mm 7
Sept. 22 Patchy rain possible
Patchy rain possible
 33° /25° 0.6 mm 8
Sept. 23 Cloudy
Cloudy
 33° /24° 0.2 mm 8
Sept. 24 Partly cloudy
Partly cloudy
 32° /24° 0.1 mm 6
Sept. 25 Light rain
Light rain
 31° /24° 8.1 mm 6
Sept. 26 Overcast
Overcast
 31° /23° 0.2 mm 6
Sept. 27 Light rain shower
Light rain shower
 31° /23° 1.6 mm 7
Sept. 28 Light rain shower
Light rain shower
 33° /23° 0.6 mm 7
Sept. 29 Partly cloudy
Partly cloudy
 34° /23° 0.8 mm 8
Sept. 30 Sunny
Sunny
 32° /24° 0.3 mm 7
Next
Important Notice
Our weather forecast for Louisiana 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 Louisiana forecast closer to your planned date for the most up-to-date weather information.
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Louisiana in September - FAQ

What are the expected maximum and minimum temperatures in Louisiana during September?
During September, expect a variety of temperatures with highs around 32° and lows near 24°, suitable for diverse activities and preferences.

How much rainfall should be expected in Louisiana during September?
Significant rainfall exceeding 203.8 mm is expected in Louisiana during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Louisiana during September?
The average wind speed in Louisiana during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Louisiana

Explore the daily rainfall trends and prepare for Louisianas September weather 💧
Typically, Louisiana has 10 rainy days in September with a total of 203.8 mm of rainfall.

UV exposure in Louisiana during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Counties in Louisiana
Select a county for an accurate weather forecast
Caddo ParishCalcasieu ParishEast Baton Rouge ParishLafayette ParishOrleans ParishOuachita ParishRapides Parish
Top locations in Louisiana
Select a location for an accurate weather forecast
AlexandriaBaton RougeLafayetteLake CharlesMonroeNew OrleansShreveport
More Locations
Quick links
More Louisiana weather pages
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