Jonesboro weather in September

In September, Jonesboro sees average daytime highs of 83°F and overnight lows near 64°F, with 3.1 in of rain across 7.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 87°F in the first days to 79°F by the end. The sky is clear or mostly clear about 52% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Jonesboro's 1st-clearest and 10th-windiest month. For the whole year in context, see Jonesboro's year-round climate.

Daytime high
83°
4th warmest
Overnight low
64°
9th coldest
Rainfall
3.1 in
7.1 wet days
Daylight
12 h 12 min
5:50 AM – 6:04 PM
Cloud cover
43%
1st clearest
Wind
6 mph
10th windiest
Solar energy
4.97 kWh/m²
Travel score
6.4
out of 10

Jonesboro is county seat city in Craighead County, Arkansas, United States.

Density
353/km²
people per km²
Founded
1859

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 87°F in the first days to 79°F by the end.

A typical September day in Jonesboro reaches about 83°F in the afternoon and slips back to 64°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 91°F. Set against its neighbours, September runs about 6°F cooler than August and about 11°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18769
28769
38769
48768
58668
68667
78667
88567
98567
108566
118566
128465
138465
148465
158364
168364
178364
188263
198263
208262
218262
228162
238161
248161
258060
268060
278060
287959
297959
307958

How September really feels in Jonesboro

Once humidity and wind are folded in, September averages 1 day that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
1
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Jonesboro weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan48° / 32°3.69.119.81.8
Feb52° / 35°3.98.51.110.62.8
Mar61° / 43°5.011.30.511.75.0
Apr71° / 52°5.010.4012.96.5
May79° / 62°4.511.3013.96.4
Jun87° / 70°3.29.4014.44.8
Jul90° / 73°3.39.7014.24.0
Aug89° / 71°2.88.4013.44.5
Sep83° / 64°3.17.1012.26.4
Oct72° / 52°3.87.7011.17.3
Nov60° / 42°4.28.60.210.15.1
Dec51° / 35°4.48.70.79.62.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56733
66634
76634
86634
96733
106634
116634
126634
136535
146535
156436
166436
176436
186436
196436
206436
216535
226634
236634
246733
256832
266931
276931
287030
297030
307030

Chance of precipitation in September

Any precipitation

Jonesboro gets around 3.1 in of rain over 7.1 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
125
225
325
425
525
625
725
825
924
1024
1124
1225
1325
1425
1525
1626
1726
1826
1926
2025
2125
2224
2323
2423
2522
2621
2721
2820
2920
3019

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 25% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
16111934301
27121934281
38121933270
49132032250
510142032240
611152031220
713152130210
814162130200
915162129180
1017162128170
1118162228160
1219172227150
1320172226150
1422172226140
1523172225130
1624172224130
1725172223120
1827172222110
1928172222110
2030172221100
213118212090
223318212090
233518201980
243718191880
253918191770
264118181670
274318181660
284418171560
294618171550
304818161440

Wind in September

Winds average 6 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 5:39 AM to 6:02 AM, and sunset from 6:26 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:396:26
212.85:396:25
312.75:406:23
412.75:416:22
512.65:426:21
612.65:436:19
712.65:436:18
812.55:446:16
912.55:456:15
1012.55:466:13
1112.45:476:11
1212.45:476:10
1312.35:486:08
1412.35:496:07
1512.35:506:05
1612.25:506:04
1712.25:516:02
1812.15:526:01
1912.15:535:59
2012.15:545:58
2112.05:545:56
2212.05:555:55
2312.05:565:53
2411.95:575:52
2511.95:585:50
2611.85:585:49
2711.85:595:47
2811.86:005:46
2911.76:015:44
3011.76:025:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.97 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 6.59 kWh/m² in June across the year — September's 4.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Is September a good time to visit Jonesboro?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.4
Sightseeing
3rd-best month of the year
7.4
Beach & pool
1st-best month of the year

September is a reasonable time to visit Jonesboro for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Jonesboro in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Jonesboro sees daytime highs around 83°F and nights near 64°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Jonesboro in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jonesboro peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 20UV 10Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep8Very high
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Jonesboro in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Jonesboro is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1319 µg/m³Dec 227 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Good
Apr11Good
May14Moderate
Jun18Moderate
Jul19Moderate
Aug15Moderate
Sep15Moderate
Oct14Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Jonesboro?

Jonesboro sits at 35.8°N, 90.7°W, 325 ft above sea level, in United States. The nearest listed city is Paragould, 19 mi away.

Topography around Jonesboro

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Jonesboro.

Within 2 miles, the terrain around Jonesboro has only modest variations in elevation — a maximum elevation change of 148 ft around an average of 318 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 318 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 663 ft.

The land around Jonesboro is covered by trees (45%), artificial surfaces (29%) and grassland (23%) within 2 miles, cropland (44%), trees (29%) and grassland (20%) within 10 miles, and cropland (61%) and trees (29%) within 50 miles.

2 miles
148 ft
10 miles
318 ft
50 miles
663 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Paragould 19 mi · West Memphis 57 mi · Memphis 60 mi · New South Memphis 63 mi · Bartlett 64 mi · Ellendale 65 mi · Poplar Bluff 65 mi · Cordova 71 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Jonesboro (35.8423°, -90.7043°, elevation 325 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).