Jonesboro weather in September: Jonesboro, Arkansas: normal highs, lows, rain and records for September
Jonesboro in September has a normal high of 84°F and a normal low of 62°F, a daily mean of 73°F, falling from 88°F on the 1st to 80°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 3.30 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 17°C, 84 mm of precipitation in September.
- NOAA stationJonesboro Municipal Airport
- Station IDUSW00003953
- Location35.83°N 90.65°W
- Elevation262 ft (80 m)
- From the center2 miles
- Population82,384
- Jan 47° 31°
- Feb 52° 34°
- Mar 61° 41°
- Apr 71° 50°
- May 81° 60°
- Jun 90° 68°
- Jul 91° 72°
- Aug 90° 70°
- Sep 84° 62°
- Oct 74° 51°
- Nov 60° 40°
- Dec 50° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jonesboro in September?
The normal high is 84°F and the normal low 62°F, for a daily mean of 73.2°F. September is 6.8°F cooler than August and 11.0°F warmer than October. September is the 4th warmest month of the year in Jonesboro and the 11th wettest. Across the month the normal high falls 8°F, from 88°F on September 1 to 80°F on September 30. From one year to the next September's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 70°F and 76°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 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 88°F | 67°F | 24% | 15% |
| September 8 | 86°F | 65°F | 23% | 14% |
| September 15 | 85°F | 63°F | 24% | 14% |
| September 22 | 83°F | 60°F | 25% | 14% |
| September 30 | 80°F | 57°F | 26% | 15% |
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 | 88°F | 67°F | 24% | 15% | 13 h |
| September 2 | 88°F | 67°F | 24% | 15% | 13 h |
| September 3 | 88°F | 66°F | 23% | 15% | 12 h 50 min |
| September 4 | 87°F | 66°F | 23% | 15% | 12 h 50 min |
| September 5 | 87°F | 66°F | 23% | 14% | 12 h 50 min |
| September 6 | 87°F | 66°F | 23% | 14% | 12 h 50 min |
| September 7 | 87°F | 65°F | 23% | 14% | 12 h 50 min |
| September 8 | 86°F | 65°F | 23% | 14% | 12 h 40 min |
| September 9 | 86°F | 65°F | 23% | 14% | 12 h 40 min |
| September 10 | 86°F | 64°F | 23% | 14% | 12 h 40 min |
| September 11 | 86°F | 64°F | 23% | 14% | 12 h 40 min |
| September 12 | 85°F | 64°F | 23% | 14% | 12 h 30 min |
| September 13 | 85°F | 63°F | 23% | 14% | 12 h 30 min |
| September 14 | 85°F | 63°F | 23% | 14% | 12 h 30 min |
| September 15 | 85°F | 63°F | 24% | 14% | 12 h 30 min |
| September 16 | 84°F | 62°F | 24% | 14% | 12 h 30 min |
| September 17 | 84°F | 62°F | 24% | 14% | 12 h 20 min |
| September 18 | 84°F | 62°F | 24% | 14% | 12 h 20 min |
| September 19 | 83°F | 61°F | 24% | 14% | 12 h 20 min |
| September 20 | 83°F | 61°F | 24% | 14% | 12 h 20 min |
| September 21 | 83°F | 61°F | 25% | 14% | 12 h 10 min |
| September 22 | 83°F | 60°F | 25% | 14% | 12 h 10 min |
| September 23 | 82°F | 60°F | 25% | 14% | 12 h 10 min |
| September 24 | 82°F | 59°F | 25% | 14% | 12 h 10 min |
| September 25 | 82°F | 59°F | 25% | 14% | 12 h 10 min |
| September 26 | 81°F | 59°F | 25% | 14% | 12 h |
| September 27 | 81°F | 58°F | 25% | 15% | 12 h |
| September 28 | 81°F | 58°F | 25% | 15% | 12 h |
| September 29 | 80°F | 57°F | 25% | 15% | 12 h |
| September 30 | 80°F | 57°F | 26% | 15% | 11 h 50 min |
- Normal high
- 84°FSeptember average
- Normal low
- 62°FSeptember average
- Precipitation
- 3.30 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 9
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 23
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003953; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Jonesboro in September?
On a given September day the chance of 0.01 inch or more is 24% on average, highest around September 30 (26%). In all, 3.30 in falls on 7 days of a normal September, 1 of them with an inch or more.
In a normal September in Jonesboro, 9 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003953.
What are the records for September in Jonesboro?
The warmest September temperature on Jonesboro's official record (since 1893) is 110°F, on September 9, 1925; the coldest is 33°F, on September 30, 1916. The wettest September brought 12.27 in (1906).
The September mean against the 1991-2020 normal of 73.2°F: 2021 74.2°F (+1.0), 2022 74.6°F (+1.4), 2023 76.0°F (+2.8), 2024 74.2°F (+1.0), 2025 77.3°F (+4.1), 2026 82.0°F (+8.8). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.2°F | +1.0°F | 2.75 in |
| 2022 | 74.6°F | +1.4°F | 0.35 in |
| 2023 | 76.0°F | +2.8°F | 1.94 in |
| 2024 | 74.2°F | +1.0°F | 9.84 in |
| 2025 | 77.3°F | +4.1°F | 3.20 in |
| 2026 | 82.0°F | +8.8°F | 0.49 in |
Source: records: ACIS, NWS threaded record JBRthr; recent months: ACIS, station USW00003953. Records and recent months use complete months only.
How does September in Jonesboro 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; Jonesboro's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.