Orleans Parish (New Orleans)
September
Weather in Orleans Parish, Louisiana for September 2025
Your guide to Orleans Parish weather in September - trends and predictions
So far, September 2025 in Orleans Parish is slightly warmer than the historical average by 1.2 °F.
The forecast for the next days in Orleans Parish predicts temperatures to be around 32 °F, close to the historical average.
In general, the average temperature in Orleans Parish at the beginning of September is 31.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.9 °F by the end of September.
Orleans Parish in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 150.5 mm.
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Temperatures
Rain 🌧️
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12
Dry days
18
Rainy days
0
Snow days
32°/24°
Temperatures
17 km/h
Avg max wind
71 %
Avg humidity
Orleans Parish Weather September
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Temperatures trend during September in Orleans Parish
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September weather in Orleans Parish day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 31° /25° | 1.4 mm | 7 | |
| Sept. 2 |  Moderate or heavy rain shower | 31° /24° | 3.4 mm | 7 | |
| Sept. 3 | Light rain shower | 33° /24° | 0.5 mm | 7 | |
| Sept. 4 | Patchy rain possible | 33° /25° | 3.4 mm | 7 | |
| Sept. 5 |  Cloudy | 31° /24° | 5.9 mm | 7 | |
| Sept. 6 | Patchy rain possible | 31° /24° | 6.6 mm | 7 | |
| Sept. 7 |  Fog | 32° /24° | 25.1 mm | 7 | |
| Sept. 8 |  Thundery outbreaks possible | 32° /23° | 0.6 mm | 8 | |
| Sept. 9 |  Sunny | 32° /23° | 1.3 mm | 8 | |
| Sept. 10 | Sunny | 32° /24° | 16.3 mm | 8 | |
| Sept. 11 | Thundery outbreaks possible | 31° /24° | 20.5 mm | 7 | |
| Sept. 12 | Cloudy | 32° /23° | 0.5 mm | 7 | |
| Sept. 13 | Sunny | 34° /23° | 1 mm | 8 | |
| Sept. 14 | Cloudy | 33° /23° | 0.2 mm | 7 | |
| Sept. 15 | Sunny | 35° /26° | 0 mm | 1.8 | |
| Sept. 16 |  Partly cloudy | 33° /24° | 0 mm | 2 | |
| Sept. 17 | Partly cloudy | 35° /24° | 0 mm | 2 | |
| Sept. 18 | Sunny | 32° /24° | 0 mm | 2 | |
| Sept. 19 | Sunny | 32° /24° | 0 mm | 0 | |
| Sept. 20 | Sunny | 33° /24° | 0 mm | 7 | |
| Sept. 21 | Sunny | 33° /25° | 0 mm | 7 | |
| Sept. 22 | Sunny | 32° /24° | 0 mm | 7 | |
| Sept. 23 | Patchy rain possible | 30° /24° | 0.4 mm | 6 | |
| Sept. 24 | Sunny | 31° /24° | 0 mm | 7 | |
| Sept. 25 | Patchy rain possible | 26° /24° | 1.6 mm | 5 | |
| Sept. 26 | Partly cloudy | 31° /22° | 0 mm | 7 | |
| Sept. 27 | Partly cloudy | 31° /23° | 0.1 mm | 7 | |
| Sept. 28 | Patchy rain possible | 32° /23° | 1.3 mm | 6 | |
| 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 Orleans Parish 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 Orleans Parish forecast closer to your planned date for the most up-to-date weather information.
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Orleans Parish in September - FAQ
What are the expected maximum and minimum temperatures in Orleans Parish 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 Orleans Parish during September?
Significant rainfall exceeding 150.5 mm is expected in Orleans Parish during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Orleans Parish during September?
The average wind speed in Orleans Parish during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Orleans Parish
Explore the daily rainfall trends and prepare for Orleans Parishs September weather 💧
UV exposure in Orleans Parish during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Orleans Parish?Get accurate weather forecasts for Orleans Parish, located at latitude 29.955 and longitude -90.075. Stay updated with localized weather information tailored for Orleans Parish.
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