Fayetteville, AR weather in September
In September, Fayetteville sees highs around 82°F and lows around 57°F: warm and often humid, with some rain. Expect about 9 wet days.
- Normal high
- 82°F
- Normal low
- 57°F
- Wet days
- 9
- 4.3 in total
- Muggy days
- 10
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 86°F | 77°F |
| Normal low | 62°F | 51°F |
| Chance of a wet day | 28% | 30% |
| Sunrise / sunset | 6:48 am / 7:44 pm | 7:11 am / 7:02 pm |
| Daylight | 12.9 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical September day
- 6 am60°Fdew point 58°F
- 9 am70°Fdew point 61°F
- Noon78°Fdew point 60°F
- 3 pm80°Fdew point 60°F
- 6 pm–dew point –
- 9 pm66°Fdew point 61°F
NOAA hourly normals (local standard time) from Fayetteville Drake Fld (4 mi away); average wind 5 mph; clear or few clouds in 67% of daytime hours, mostly cloudy or overcast in 26%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F8 of 30
- Hot dayshigh 90°F or more4 of 30
- Muggy daysdaily mean dew point 65°F or more10 of 30
- Wet daysat least 0.01 in of rain or melted snow9 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 4.3 in; a dry September brings about 2.7 in and a wet one about 5.3 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, 1991-20201998: average high 88°F
- Coolest September2009: average high 76°F
- Wettest September1996: 10.0 in
- Driest September2004: 0.6 in
- Highest reading103°F (September 3, 2000)
- Lowest reading33°F (September 23, 1995)
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 | 82°F | 71°F |
| Normal low | 65°F | 57°F | 45°F |
| Wet days | 8 | 9 | 10 |
| Comfortable days | 1 | 8 | 16 |
| Daylight | 13.5 h | 12.4 h | 11.3 h |
Highs change by -7°F from August and -11°F into October.
Nearby alternatives in September
- Warmer: Fort Smith, AR49 mi · high 87°F · 7 wet days
- Drier: McKinney, TX242 mi · high 88°F · 6 wet days
How Fayetteville ranks in September
- Normal high181st warmest of 378 cities; 4th of 4 in Arkansas
- Wet days254th driest of 378
- Comfortable days176th most of 342
What to pack for Fayetteville in September
- Layers – afternoons near 82°F but nights near 57°F
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
September has 41 heating degree days and 161 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Fayetteville in September?
The normal high is 82°F and the normal low is 57°F. From 1991 to 2020 the hottest September reading was 103°F (most recently on September 3, 2000).
Does it rain a lot in Fayetteville in September?
About 9 days in September have at least 0.01 in of precipitation, and the normal total is 4.3 in. The wettest September in 1991-2020 was in 1996 (10.0 in); the driest was in 2004 (0.6 in).
Is September a good time to visit Fayetteville?
September ranks 5th of 12 months on our comfort score for Fayetteville (57 out of 100). It has about 8 comfortable days and about 4 days at 90°F or hotter. The best month is April.
Where the numbers come from
- Temperature, rain, snowfall, frost dates, humidity and wind by hour and cloud cover: Fayetteville Drake Fld (USW00093993), 3.7 mi S of the city center, 1,251 ft (156 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Odell 2 N (USC00035354), 24 mi SW of the city center, 1,500 ft (93 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Drake Field Airport (723445-93993), 3.7 mi S of the city center, 1,237 ft (170 ft lower than the city). Hourly observations, 1991-2020.