Russellville weather in September

In September, Russellville sees average daytime highs of 84°F and overnight lows near 64°F, with 3.6 in of rain across 7.2 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 88°F in the first days to 80°F by the end. The sky is clear or mostly clear about 53% of the time in September, and the air most often feels muggy.

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 Russellville's 1st-clearest and 9th-windiest month. For the whole year in context, see Russellville's year-round climate.

Daytime high
84°
4th warmest
Overnight low
64°
9th coldest
Rainfall
3.6 in
7.2 wet days
Daylight
12 h 12 min
6:00 AM – 6:13 PM
Cloud cover
42%
1st clearest
Wind
5 mph
9th windiest
Solar energy
4.96 kWh/m²
Travel score
6.2
out of 10

Russellville is seat of Pope County, Arkansas, USA.

Density
398/km²
people per km²
Founded
1870

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 88°F in the first days to 80°F by the end.

A typical September day in Russellville reaches about 84°F in the afternoon and slips back to 64°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 92°F. Set against its neighbours, September runs about 6°F cooler than August and about 11°F warmer than October.

40°60°80°100°151015202530
Avg high (°F)Avg low (°F)
18869
28869
38868
48868
58768
68767
78767
88667
98666
108566
118566
128565
138465
148465
158464
168364
178363
188363
198263
208262
218262
228261
238161
248160
258160
268060
278059
288059
297958
307958

How September really feels in Russellville

Once humidity and wind are folded in, September averages 4 days 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
4
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.

Russellville weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan49° / 32°3.58.819.92.2
Feb54° / 35°3.68.40.910.73.3
Mar63° / 42°5.111.20.511.75.3
Apr71° / 51°5.710.6012.96.5
May79° / 61°5.612.5013.86.3
Jun87° / 69°3.59.8014.34.8
Jul91° / 73°3.09.8014.13.8
Aug90° / 71°2.68013.34.1
Sep84° / 64°3.67.2012.26.2
Oct73° / 53°4.28.6011.17.2
Nov61° / 42°4.38.70.110.15.3
Dec51° / 35°3.99.10.59.72.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26634
36634
46634
56535
66535
76535
86436
96436
106436
116436
126436
136436
146436
156436
166436
176436
186436
196535
206535
216634
226733
236832
246931
256931
267030
277129
287129
297129
307030

Chance of precipitation in September

Any precipitation

Russellville gets around 3.6 in of rain over 7.2 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 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
224
324
424
525
625
725
825
925
1025
1125
1226
1326
1427
1527
1627
1727
1827
1927
2026
2125
2225
2324
2423
2522
2622
2721
2821
2920
3020

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1481732381
2581832361
3691832351
46101931330
57111931310
68122031290
79132030280
810142030260
910142031240
1011152031230
1112152031210
1213162031200
1314162131180
1414172131170
1515172131150
1616172131140
1717172131130
1819172130120
1920172130110
2022172129110
2124172128100
2225182127100
232718212590
242918212490
253118212280
263318212180
273418211970
283619211870
293819211760
303919201560

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:49 AM to 6:11 AM, and sunset from 6:36 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:496:36
212.75:506:34
312.75:506:33
412.75:516:31
512.65:526:30
612.65:536:28
712.65:536:27
812.55:546:25
912.55:556:24
1012.45:566:22
1112.45:566:21
1212.45:576:19
1312.35:586:18
1412.35:596:16
1512.36:006:15
1612.26:006:13
1712.26:016:12
1812.16:026:10
1912.16:036:09
2012.16:036:07
2112.06:046:06
2212.06:056:04
2312.06:066:03
2411.96:066:01
2511.96:076:00
2611.86:085:58
2711.86:095:57
2811.86:105:55
2911.76:105:54
3011.76:115:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.96 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 6.37 kWh/m² in July across the year — September's 4.96 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
Planning a trip in September

Is September a good time to visit Russellville?

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

6.2
Sightseeing
4th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Russellville in September

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

In September, Russellville sees daytime highs around 84°F and nights near 64°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Russellville 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 Russellville peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highHighModerateJun 23UV 10Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Russellville 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 Russellville is worst in July — around 20 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1620 µg/m³Dec 147 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb11Good
Mar16Moderate
Apr13Moderate
May14Moderate
Jun18Moderate
Jul20Moderate
Aug17Moderate
Sep13Moderate
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Russellville?

Russellville sits at 35.3°N, 93.1°W, 348 ft above sea level, in United States. The nearest listed city is Conway, 41 mi away.

Topography around Russellville

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

Within 2 miles, the terrain around Russellville has only modest variations in elevation — a maximum elevation change of 404 ft around an average of 397 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,509 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,507 ft.

The land around Russellville is covered by trees (44%), grassland (27%) and artificial surfaces (26%) within 2 miles, trees (56%) and grassland (30%) within 10 miles, and trees (77%) within 50 miles.

2 miles
404 ft
10 miles
1,509 ft
50 miles
2,507 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Conway 41 mi · Maumelle 50 mi · Hot Springs 53 mi · Benton 58 mi · Bryant 60 mi · Little Rock 60 mi · North Little Rock 60 mi · Sherwood 61 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 Russellville (35.2784°, -93.1338°, elevation 348 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).