Charleston (WV)
September
Weather in Charleston, West Virginia for September 2027
Your guide to Charleston weather in September - trends and predictions
In general, the average temperature in Charleston at the beginning of September is 28.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.3 °C by the end of September.
The climate of Charleston in September is notably wet, with an average of 11 rainy days, and a total of 419.3 mm of precipitation.
Is September a good time to visit Charleston? check out the best time to travel to Charleston page.
✨ Is September a good time to visit Charleston? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
19
Dry days
11
Rainy days
0
Snow days
26°/16°
Temperatures
11 km/h
Avg max wind
72 %
Avg humidity
Charleston Weather September
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Temperatures trend during September in Charleston
See the weather trend as well as the moving average line
September weather in Charleston day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Mist | 31° /17° | 0 mm | 8 | |
| Sept. 2 |  Partly cloudy | 31° /19° | 0 mm | 8 | |
| Sept. 3 |  Patchy rain possible | 31° /18° | 1.4 mm | 7 | |
| Sept. 4 |  Torrential rain shower | 28° /20° | 54.1 mm | 7 | |
| Sept. 5 | Heavy rain | 30° /20° | 53.9 mm | 6 | |
| Sept. 6 | Heavy rain | 27° /17° | 62 mm | 7 | |
| Sept. 7 | Fog | 25° /15° | 0 mm | 6 | |
| Sept. 8 |  Sunny | 27° /13° | 0 mm | 6 | |
| Sept. 9 | Sunny | 27° /13° | 0.1 mm | 7 | |
| Sept. 10 | Heavy rain | 26° /15° | 39.1 mm | 5 | |
| Sept. 11 |  Light rain | 27° /15° | 3.4 mm | 5 | |
| Sept. 12 | Light rain | 28° /16° | 3.5 mm | 5 | |
| Sept. 13 | Patchy rain possible | 28° /17° | 1.4 mm | 6 | |
| Sept. 14 | Partly cloudy | 28° /16° | 0 mm | 7 | |
| Sept. 15 | Sunny | 30° /15° | 0 mm | 7 | |
| Sept. 16 | Partly cloudy | 28° /16° | 0 mm | 7 | |
| Sept. 17 |  Moderate rain | 24° /17° | 24.1 mm | 5 | |
| Sept. 18 | Patchy rain possible | 26° /19° | 1.3 mm | 5 | |
| Sept. 19 | Patchy rain possible | 28° /17° | 1.7 mm | 6 | |
| Sept. 20 | Patchy rain possible | 27° /17° | 1.9 mm | 5 | |
| Sept. 21 | Light rain | 29° /19° | 6.1 mm | 5 | |
| Sept. 22 | Light rain | 26° /17° | 2.5 mm | 5 | |
| Sept. 23 | Heavy rain | 24° /17° | 44.7 mm | 4 | |
| Sept. 24 | Heavy rain | 22° /17° | 62.8 mm | 4 | |
| Sept. 25 | Moderate rain | 22° /15° | 20.8 mm | 5 | |
| Sept. 26 |  Moderate or heavy rain shower | 23° /15° | 8 mm | 6 | |
| Sept. 27 | Moderate rain | 21° /16° | 17.4 mm | 4 | |
| Sept. 28 | Patchy rain possible | 20° /15° | 2.2 mm | 4 | |
| Sept. 29 | Light rain | 24° /15° | 4.5 mm | 6 | |
| Sept. 30 | Light rain shower | 24° /15° | 2.4 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Charleston 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 Charleston forecast closer to your planned date for the most up-to-date weather information.
Change Month
Charleston in September - FAQ
What are the expected maximum and minimum temperatures in Charleston during September?
During September, expect a variety of temperatures with highs around 26° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Charleston during September?
Significant rainfall exceeding 419.3 mm is expected in Charleston during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Charleston during September?
The average wind speed in Charleston during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Charleston
Explore the daily rainfall trends and prepare for Charlestons September weather 💧
Typically, Charleston has 11 rainy days in September with a total of 419.3 mm of rainfall.
UV exposure in Charleston during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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