Fayetteville weather in September: Fayetteville, Arkansas: normal highs, lows, rain and records for September
Fayetteville in September has a normal high of 82°F and a normal low of 57°F, a daily mean of 69°F, falling from 86°F on the 1st to 77°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.26 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 14°C, 108 mm of precipitation in September.
- NOAA stationFayetteville Drake Field
- Station IDUSW00093993
- Location36.01°N 94.17°W
- Elevation1,251 ft (381 m)
- Population103,134
- Jan 48° 25°
- Feb 52° 29°
- Mar 61° 36°
- Apr 70° 45°
- May 77° 54°
- Jun 85° 63°
- Jul 89° 67°
- Aug 89° 65°
- Sep 82° 57°
- Oct 71° 45°
- Nov 59° 35°
- Dec 50° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fayetteville in September?
The normal high is 82°F and the normal low 57°F, for a daily mean of 69.0°F. September is 7.9°F cooler than August and 11.0°F warmer than October. September is the 4th warmest month of the year in Fayetteville and the 5th wettest. Across the month the normal high falls 9°F, from 86°F on September 1 to 77°F on September 30. From one year to the next September's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 66°F and 72°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 86°F | 62°F | 28% | 16% |
| September 8 | 84°F | 59°F | 29% | 16% |
| September 15 | 82°F | 57°F | 29% | 16% |
| September 22 | 79°F | 54°F | 30% | 17% |
| September 30 | 77°F | 51°F | 30% | 17% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 86°F | 62°F | 28% | 16% | 13 h |
| September 2 | 86°F | 61°F | 28% | 16% | 13 h |
| September 3 | 86°F | 61°F | 28% | 16% | 12 h 50 min |
| September 4 | 85°F | 61°F | 28% | 16% | 12 h 50 min |
| September 5 | 85°F | 60°F | 28% | 16% | 12 h 50 min |
| September 6 | 85°F | 60°F | 28% | 16% | 12 h 50 min |
| September 7 | 84°F | 60°F | 28% | 16% | 12 h 50 min |
| September 8 | 84°F | 59°F | 29% | 16% | 12 h 40 min |
| September 9 | 84°F | 59°F | 29% | 16% | 12 h 40 min |
| September 10 | 83°F | 59°F | 29% | 16% | 12 h 40 min |
| September 11 | 83°F | 58°F | 29% | 16% | 12 h 40 min |
| September 12 | 83°F | 58°F | 29% | 16% | 12 h 30 min |
| September 13 | 82°F | 58°F | 29% | 16% | 12 h 30 min |
| September 14 | 82°F | 57°F | 29% | 16% | 12 h 30 min |
| September 15 | 82°F | 57°F | 29% | 16% | 12 h 30 min |
| September 16 | 81°F | 56°F | 30% | 16% | 12 h 30 min |
| September 17 | 81°F | 56°F | 30% | 17% | 12 h 20 min |
| September 18 | 81°F | 56°F | 30% | 17% | 12 h 20 min |
| September 19 | 80°F | 55°F | 30% | 17% | 12 h 20 min |
| September 20 | 80°F | 55°F | 30% | 17% | 12 h 20 min |
| September 21 | 80°F | 54°F | 30% | 17% | 12 h 10 min |
| September 22 | 79°F | 54°F | 30% | 17% | 12 h 10 min |
| September 23 | 79°F | 54°F | 30% | 17% | 12 h 10 min |
| September 24 | 79°F | 53°F | 30% | 17% | 12 h 10 min |
| September 25 | 78°F | 53°F | 30% | 17% | 12 h 10 min |
| September 26 | 78°F | 53°F | 30% | 17% | 12 h |
| September 27 | 78°F | 52°F | 30% | 16% | 12 h |
| September 28 | 77°F | 52°F | 30% | 16% | 12 h |
| September 29 | 77°F | 51°F | 30% | 16% | 12 h |
| September 30 | 77°F | 51°F | 30% | 17% | 11 h 50 min |
- Normal high
- 82°FSeptember average
- Normal low
- 57°FSeptember average
- Precipitation
- 4.26 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 19
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093993; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Fayetteville in September?
On a given September day the chance of 0.01 inch or more is 29% on average, highest around September 23 (30%). In all, 4.26 in falls on 9 days of a normal September, 2 of them with an inch or more.
In a normal September in Fayetteville, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093993.
How humid and windy is Fayetteville in September?
At 3 p.m. the normal temperature is 75°F with 48% relative humidity and a dew point of 54°F; at 6 a.m. it is 55°F with 91% humidity. The wind averages 5.1 mph, most often from the south in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 55°F | 52°F | 91% | 2.6 mph | 73% |
| 9 a.m. | 65°F | 56°F | 73% | 5.8 mph | 76% |
| noon | 73°F | 55°F | 53% | 8.9 mph | 73% |
| 3 p.m. | 75°F | 54°F | 48% | 8.6 mph | 74% |
| 6 p.m. | – | – | – | – | 81% |
| 9 p.m. | 60°F | 56°F | 85% | 3.3 mph | 83% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093993. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for September in Fayetteville?
The warmest September temperature on this station's record (since 1949) is 103°F, on September 4, 1998; the coldest is 31°F, on September 29, 1967. The wettest September brought 14.96 in (1986).
The September mean against the 1991-2020 normal of 69.0°F: 2021 73.5°F (+4.5), 2022 71.3°F (+2.3), 2023 73.0°F (+4.0), 2024 71.8°F (+2.8), 2025 71.7°F (+2.7), 2026 81.0°F (+12.0). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 73.5°F | +4.5°F | 1.93 in |
| 2022 | 71.3°F | +2.3°F | 1.28 in |
| 2023 | 73.0°F | +4.0°F | 5.45 in |
| 2024 | 71.8°F | +2.8°F | 0.16 in |
| 2025 | 71.7°F | +2.7°F | 7.53 in |
| 2026 | 81.0°F | +12.0°F | 1.96 in |
Source: records: ACIS, station USW00093993; recent months: ACIS, station USW00093993. Records and recent months use complete months only.
How does September in Fayetteville compare across Arkansas?
Across the 86 places PlainClimate covers in Arkansas, September normal highs run from 75°F in Deer to 90°F in Crossett; Fayetteville's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Fayetteville in August89°F by day, 65°F at night
- Fayetteville in October71°F by day, 45°F at night
- Fayetteville through the yearEvery month, frost dates, records and recent years
- Arkansas in SeptemberThe statewide normal and the warmest and coolest places
- Crossett: Arkansas's warmest Septembernormal high 90°F