Bentonville weather in September: Bentonville, Arkansas: normal highs, lows, rain and records for September
Bentonville in September has a normal high of 82°F and a normal low of 57°F, a daily mean of 70°F, falling from 87°F on the 1st to 77°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 4.05 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 14°C, 103 mm of precipitation in September.
- NOAA stationBentonville (4 mi S)
- Station IDUSC00030586
- Location36.32°N 94.22°W
- Elevation1,220 ft (372 m)
- Population61,791
- Jan 46° 24°
- Feb 51° 27°
- Mar 60° 36°
- Apr 69° 44°
- May 77° 54°
- Jun 85° 63°
- Jul 89° 67°
- Aug 90° 65°
- Sep 82° 57°
- Oct 71° 46°
- Nov 59° 36°
- Dec 49° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Bentonville in September?
The normal high is 82°F and the normal low 57°F, for a daily mean of 69.7°F. September is 7.6°F cooler than August and 11.0°F warmer than October. September is the 4th warmest month of the year in Bentonville and the 5th wettest. Across the month the normal high falls 10°F, from 87°F on September 1 to 77°F on September 30. From one year to the next September's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 67°F and 73°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 22%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 87°F | 63°F | 20% | 16% |
| September 8 | 85°F | 61°F | 21% | 17% |
| September 15 | 82°F | 58°F | 22% | 18% |
| September 22 | 80°F | 55°F | 21% | 17% |
| September 30 | 77°F | 51°F | 20% | 16% |
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 | 87°F | 63°F | 20% | 16% | 13 h |
| September 2 | 87°F | 63°F | 20% | 16% | 13 h |
| September 3 | 86°F | 62°F | 20% | 16% | 12 h 50 min |
| September 4 | 86°F | 62°F | 21% | 16% | 12 h 50 min |
| September 5 | 86°F | 62°F | 21% | 17% | 12 h 50 min |
| September 6 | 86°F | 61°F | 21% | 17% | 12 h 50 min |
| September 7 | 85°F | 61°F | 21% | 17% | 12 h 50 min |
| September 8 | 85°F | 61°F | 21% | 17% | 12 h 40 min |
| September 9 | 85°F | 60°F | 21% | 17% | 12 h 40 min |
| September 10 | 84°F | 60°F | 21% | 17% | 12 h 40 min |
| September 11 | 84°F | 59°F | 21% | 17% | 12 h 40 min |
| September 12 | 84°F | 59°F | 21% | 17% | 12 h 30 min |
| September 13 | 83°F | 58°F | 22% | 18% | 12 h 30 min |
| September 14 | 83°F | 58°F | 22% | 18% | 12 h 30 min |
| September 15 | 82°F | 58°F | 22% | 18% | 12 h 30 min |
| September 16 | 82°F | 57°F | 22% | 18% | 12 h 30 min |
| September 17 | 82°F | 57°F | 22% | 18% | 12 h 20 min |
| September 18 | 81°F | 56°F | 22% | 18% | 12 h 20 min |
| September 19 | 81°F | 56°F | 22% | 18% | 12 h 20 min |
| September 20 | 81°F | 55°F | 22% | 18% | 12 h 20 min |
| September 21 | 80°F | 55°F | 21% | 18% | 12 h 10 min |
| September 22 | 80°F | 55°F | 21% | 17% | 12 h 10 min |
| September 23 | 80°F | 54°F | 21% | 17% | 12 h 10 min |
| September 24 | 79°F | 54°F | 21% | 17% | 12 h 10 min |
| September 25 | 79°F | 53°F | 21% | 17% | 12 h 10 min |
| September 26 | 79°F | 53°F | 21% | 17% | 12 h |
| September 27 | 78°F | 52°F | 21% | 17% | 12 h |
| September 28 | 78°F | 52°F | 20% | 16% | 12 h |
| September 29 | 78°F | 52°F | 20% | 16% | 12 h |
| September 30 | 77°F | 51°F | 20% | 16% | 11 h 50 min |
- Normal high
- 82°FSeptember average
- Normal low
- 57°FSeptember average
- Precipitation
- 4.05 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 6
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 27
- Days at 80°F or more
- 20
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00030586; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Bentonville in September?
On a given September day the chance of 0.01 inch or more is 21% on average, highest around September 15 (22%). In all, 4.05 in falls on 7 days of a normal September, 2 of them with an inch or more.
In a normal September in Bentonville, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00030586.
What are the records for September in Bentonville?
The warmest September temperature on this station's record (since 1943) is 106°F, on September 3, 2000; the coldest is 30°F, on September 25, 1989. The wettest September brought 14.70 in (1986).
Source: records: ACIS, station USC00030586. Records and recent months use complete months only.
How does September in Bentonville 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; Bentonville's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Bentonville in August90°F by day, 65°F at night
- Bentonville in October71°F by day, 46°F at night
- Bentonville 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