Weather in Raleigh in September 2025
- September is usually the wettest month of the year in Raleigh;
Average weather
Average temperature in Raleigh in September
Going from a maximum of +97°F during the day to a minimum of +54°F during the night, the temperature in September averages around +82°F.
The average maximum temperature goes down 4% by the end of the month, compared with the beginning of the month, from +81°F to +79°F.
Is Raleigh warm or cold in September?
Raleigh is typically warm in September.
Maximum temperatures go down compared to the previous month from +88°F to +81°F. The minimum temperature also goes down from +70°F to +64°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Raleigh:
Climate in Raleigh in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +88°F | +81°F | +72°F | ||||
| Min. temperature | ||||||
| +54°F | +45°F | +30°F | ||||
| Max. temperature | ||||||
| +106°F | +100°F | +97°F | ||||
| Rainfall | ||||||
| 107 mm | 107 mm | 76 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 76% | 76% | 74% | ||||
| Air pressure | ||||||
| 1015 HPa | 1016 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 3 | 6 | 10 | ||||
| Cloudy days | ||||||
| 8 | 9 | 10 | ||||
| Rainy days | ||||||
| 18 | 14 | 11 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +88°F in the day, the average maximum temperature lowers to +81°F. The rainfall amount in September stays the same as in the previous month with a 107 mm of total precipitation. Humidity levels don’t change as the month goes on, averaging around 76%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 3 to 6.
But maybe it is worth considering traveling in October as the weather gets better.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Raleigh is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Raleigh?
Climate Change Over the Years
The climate in Raleigh in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1996 (+68°F) and the highest in 1990 (+74°F). The driest year was 2007 with only 629 mm of rainfall, and the wettest year was 2020 with 1994 mm.
FAQ
Is September a good time to visit Raleigh?
Can you sunbathe in Raleigh in September?
Is Raleigh rainy in September?
Is it sunny in Raleigh in September?
Other cities in USA
Monthly weather in Raleigh
Source of the data
For this page, we’ve looked at the typical weather in Raleigh, 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.