Weather in Charlotte in September 2025
- September is usually the wettest month of the year in Charlotte;
Average weather
Average temperature in Charlotte in September
The temperature in September is +28°C on average, with a range between a maximum of +34°C during the day and a minimum of +13°C at night.
The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +27°C to +28°C.
Is Charlotte warm or cold in September?
Charlotte is typically warm in September.
Maximum temperatures go down compared to the previous month from +31°C to +28°C. The minimum temperature also goes down from +21°C to +18°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Charlotte:
Climate in Charlotte in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +28°C | +22°C | ||||
| Min. temperature | ||||||
| +13°C | +6°C | -2°C | ||||
| Max. temperature | ||||||
| +40°C | +37°C | +36°C | ||||
| Rainfall | ||||||
| 98 mm | 91 mm | 77 mm | ||||
| Wind | ||||||
| 1 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 74% | 74% | 73% | ||||
| Air pressure | ||||||
| 1016 HPa | 1016 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 3 | 7 | 11 | ||||
| Cloudy days | ||||||
| 7 | 9 | 10 | ||||
| Rainy days | ||||||
| 18 | 14 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting colder in September. From +31°C in the day, the average maximum temperature lowers to +28°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 98 mm to 91 mm. Humidity levels don’t change as the month goes on, averaging around 74%. Winds are stronger in comparison to August, going up from 1 m/s to 2 m/s on average. The good news is there are likely to be more sunny days in September, from 3 to 7.
October brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Charlotte is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Charlotte?
Climate Change over Years
The climate in Charlotte in September has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+20°C) and the highest in 2017 (+23°C). The driest year was 2004 with only 700 mm of rainfall, and the wettest year was 2020 with 1850 mm.
FAQ
Is September a good time to visit Charlotte?
Can you sunbathe in Charlotte in September?
Is Charlotte rainy in September?
Is it sunny in Charlotte in September?
Other cities in USA
Monthly weather in Charlotte
Source of the data
For this page, we’ve looked at the typical weather in Charlotte, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.