Charlotte, NC weather in September
Charlotte is warm and often humid in September, with some rain: highs average 83°F and nights drop to about 63°F. Expect about 8 wet days.
- Normal high
- 83°F
- Normal low
- 63°F
- Wet days
- 8
- 3.7 in total
- Muggy days
- 11
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 86°F | 79°F |
| Normal low | 67°F | 58°F |
| Chance of a wet day | 27% | 25% |
| Sunrise / sunset | 6:55 am / 7:50 pm | 7:17 am / 7:09 pm |
| Daylight | 12.9 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am65°Fdew point 61°F
- 9 am72°Fdew point 62°F
- Noon79°Fdew point 62°F
- 3 pm81°Fdew point 61°F
- 6 pm77°Fdew point 61°F
- 9 pm71°Fdew point 62°F
NOAA hourly normals (local standard time) from Charlotte Douglas Airport (6 mi away); average wind 6 mph; clear or few clouds in 30% of daytime hours, mostly cloudy or overcast in 47%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F6 of 30
- Hot dayshigh 90°F or more5 of 30
- Muggy daysdaily mean dew point 65°F or more11 of 30
- Wet daysat least 0.01 in of rain or melted snow8 of 30
- Notable rainat least 0.10 in5 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.7 in; a dry September brings about 2.5 in and a wet one about 4.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202019: average high 91°F
- Coolest September2000: average high 78°F
- Wettest September2018: 9.5 in
- Driest September2019: 0.2 in
- Highest reading98°F (September 12, 2019)
- Lowest reading39°F (September 23, 1999)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 89°F | 83°F | 73°F |
| Normal low | 69°F | 63°F | 50°F |
| Wet days | 10 | 8 | 7 |
| Comfortable days | 0 | 6 | 17 |
| Daylight | 13.4 h | 12.4 h | 11.3 h |
Highs change by -6°F from August and -10°F into October.
Nearby alternatives in September
- Warmer: Columbia, SC85 mi · high 89°F · 8 wet days
- Cooler: Gatlinburg, TN154 mi · high 78°F · 11 wet days
How Charlotte ranks in September
- Normal high170th warmest of 378 cities; 4th of 10 in North Carolina
- Wet days183rd driest of 378
- Comfortable days197th most of 342
Heating and cooling
September has 13 heating degree days and 244 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Charlotte in September?
The normal high is 83°F and the normal low is 63°F. From 1991 to 2020 the hottest September reading was 98°F (September 12, 2019).
Does it rain a lot in Charlotte in September?
About 8 days in September have at least 0.01 in of precipitation, and the normal total is 3.7 in. The wettest September in 1991-2020 was in 2018 (9.5 in); the driest was in 2019 (0.2 in).
Is September a good time to visit Charlotte?
September ranks 6th of 12 months on our comfort score for Charlotte (54 out of 100). It has about 6 comfortable days and about 5 days at 90°F or hotter. The best month is April.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Charlotte Douglas Airport (USW00013881), 6.3 mi W of the city center, 728 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Charlotte/Douglas International Airport (723140-13881), 6.3 mi W of the city center, 730 ft . Hourly observations, 1991-2020.