Raleigh (NC)
September
Weather in Raleigh, North Carolina for September 2026
Your guide to Raleigh weather in September - trends and predictions
So far, September 2026 in Raleigh shows a warmer trend than usual by 2.7 °F.
The forecast for the next days in Raleigh predicts a temperature of 26.2 °F, which is cooler than the historical average.
In general, the average temperature in Raleigh at the beginning of September is 31.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.4 °F by the end of September.
Raleigh experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 207.8 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
21
Rainy days
0
Snow days
27°/18°
Temperatures
17 km/h
Avg max wind
73 %
Avg humidity
Raleigh Weather September
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Temperatures trend during September in Raleigh
See the weather trend as well as the moving average line
September weather in Raleigh day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 31° /19° | 2.7 mm | 8 | |
| Sept. 2 |  Sunny | 29° /18° | 0.5 mm | 7 | |
| Sept. 3 | Sunny | 31° /18° | 0 mm | 7 | |
| Sept. 4 | Sunny | 33° /19° | 0.1 mm | 8 | |
| Sept. 5 | Sunny | 33° /20° | 0 mm | 8 | |
| Sept. 6 |  Thundery outbreaks possible | 31° /20° | 9.1 mm | 6 | |
| Sept. 7 | Thundery outbreaks possible | 30° /19° | 0.2 mm | 7 | |
| Sept. 8 | Thundery outbreaks possible | 30° /16° | 0.8 mm | 7 | |
| Sept. 9 |  Overcast | 27° /16° | 1.3 mm | 7 | |
| Sept. 10 | Sunny | 28° /17° | 2.1 mm | 7 | |
| Sept. 11 | Overcast | 30° /19° | 5.6 mm | 7 | |
| Sept. 12 |  Light rain shower | 29° /19° | 1.8 mm | 5 | |
| Sept. 13 |  Mist | 29° /19° | 2.2 mm | 5 | |
| Sept. 14 |  Cloudy | 30° /19° | 0.5 mm | 7 | |
| Sept. 15 | Sunny | 27° /17° | 0.8 mm | 6 | |
| Sept. 16 | Partly cloudy | 25° /16° | 44.5 mm | 6 | |
| Sept. 17 | Light rain shower | 26° /17° | 28.1 mm | 6 | |
| Sept. 18 | Mist | 30° /19° | 7.1 mm | 6 | |
| Sept. 19 | Partly cloudy | 29° /19° | 3 mm | 5 | |
| Sept. 20 | Partly cloudy | 30° /19° | 0 mm | 7 | |
| Sept. 21 | Overcast | 29° /19° | 0.2 mm | 7 | |
| Sept. 22 | Overcast | 28° /18° | 4.8 mm | 5 | |
| Sept. 23 |  Moderate or heavy rain shower | 24° /16° | 20.8 mm | 5 | |
| Sept. 24 | Moderate or heavy rain shower | 25° /17° | 4.4 mm | 5 | |
| Sept. 25 | Patchy rain possible | 27° /18° | 8.2 mm | 6 | |
| Sept. 26 | Overcast | 26° /20° | 1.1 mm | 6 | |
| Sept. 27 | Sunny | 27° /13° | 0 mm | 6.7 | |
| Sept. 28 | Sunny | 27° /15° | 0 mm | 6.6 | |
| Sept. 29 | Sunny | 29° /16° | 0 mm | 6.5 | |
| Sept. 30 | Sunny | 31° /19° | 0 mm | 6.5 | |
| Next | |||||
Important Notice
Our weather forecast for Raleigh 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 Raleigh forecast closer to your planned date for the most up-to-date weather information.
Change Month
Raleigh in September - FAQ
What are the expected maximum and minimum temperatures in Raleigh during September?
During September, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Raleigh during September?
Significant rainfall exceeding 207.8 mm is expected in Raleigh during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Raleigh during September?
The average wind speed in Raleigh during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Raleigh
Explore the daily rainfall trends and prepare for Raleighs September weather 💧
Typically, Raleigh has 21 rainy days in September with a total of 207.8 mm of rainfall.
UV exposure in Raleigh during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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