Louisiana (New Orleans)
September
Weather in Louisiana for September 2025
Your guide to Louisiana weather in September - trends and predictions
In general, the average temperature in Louisiana at the beginning of September is 31.3 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 32.3 °F by the end of September.
The climate of Louisiana in September is notably wet, with an average of 13 rainy days.
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17
Dry days
13
Rainy days
0
Snow days
34°/24°
Temperatures
17 km/h
Avg max wind
64 %
Avg humidity
Louisiana in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  31° | 3 33° | 4 33° | 5  30° | 6 30° | 7  31° |
| 8  31° | 9  32° | 10 31° | 11 30° | 12 30° | 13 33° | 14 32° |
| 15  31° | 16 31° | 17  32° | 18 32° | 19 33° | 20 32° | 21 32° |
| 22 33° | 23 33° | 24 32° | 25 34° | 26 31° | 27 31° | 28 33° |
| 29 34° | 30 31° |
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Temperatures trend during September in Louisiana
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 | 31° /24° | 2.1 mm | 7 | |
| Sept. 2 | Moderate or heavy rain shower | 31° /24° | 5.1 mm | 8 | |
| Sept. 3 | Light rain shower | 33° /25° | 0.7 mm | 8 | |
| Sept. 4 | Patchy rain possible | 33° /26° | 5.2 mm | 7 | |
| Sept. 5 | Cloudy | 30° /24° | 8.9 mm | 7 | |
| Sept. 6 | Patchy rain possible | 30° /24° | 9.9 mm | 7 | |
| Sept. 7 | Fog | 31° /23° | 36.2 mm | 7 | |
| Sept. 8 | Thundery outbreaks possible | 31° /23° | 1 mm | 8 | |
| Sept. 9 | Sunny | 32° /22° | 2 mm | 8 | |
| Sept. 10 | Sunny | 31° /23° | 24.4 mm | 8 | |
| Sept. 11 | Thundery outbreaks possible | 30° /24° | 30.8 mm | 7 | |
| Sept. 12 | Cloudy | 30° /23° | 0.8 mm | 7 | |
| Sept. 13 | Mist | 33° /22° | 1.5 mm | 8 | |
| Sept. 14 | Cloudy | 32° /23° | 0.2 mm | 7 | |
| Sept. 15 | Overcast | 31° /23° | 3.1 mm | 7 | |
| Sept. 16 | Patchy rain possible | 31° /24° | 6.5 mm | 7 | |
| Sept. 17 | Partly cloudy | 32° /24° | 4.7 mm | 8 | |
| Sept. 18 | Sunny | 32° /23° | 0.4 mm | 8 | |
| Sept. 19 | Cloudy | 33° /24° | 0 mm | 7 | |
| Sept. 20 | Partly cloudy | 32° /24° | 0 mm | 8 | |
| Sept. 21 | Patchy rain possible | 32° /24° | 0 mm | 7 | |
| Sept. 22 | Partly cloudy | 33° /24° | 1.2 mm | 8 | |
| Sept. 23 | Cloudy | 33° /24° | 0 mm | 7 | |
| Sept. 24 | Partly cloudy | 32° /23° | 0 mm | 8 | |
| Sept. 25 | Cloudy | 34° /23° | 0 mm | 8 | |
| Sept. 26 | Patchy rain possible | 31° /23° | 0.4 mm | 7 | |
| Sept. 27 | Light rain shower | 31° /22° | 3.2 mm | 8 | |
| Sept. 28 | Light rain shower | 33° /22° | 1.1 mm | 8 | |
| Sept. 29 | Patchy rain possible | 34° /22° | 1.2 mm | 8 | |
| Sept. 30 | Sunny | 31° /23° | 0 mm | 7 | |
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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.
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 34° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Louisiana during September?
Moderate rainfall is anticipated in Louisiana during September, with a total of 59.5 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Louisiana during September?
The average wind speed in Louisiana during September is 17 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 💧
UV exposure in Louisiana during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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