Pine Bluff weather in September

In September, Pine Bluff sees average daytime highs of 85°F and overnight lows near 66°F, with 3.5 in of rain across 7 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 88°F in the first days to 81°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 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Pine Bluff's 1st-clearest and 9th-windiest month. For the whole year in context, see Pine Bluff's year-round climate.

Daytime high
85°
4th warmest
Overnight low
66°
9th coldest
Rainfall
3.5 in
7 wet days
Daylight
12 h 12 min
5:56 AM – 6:09 PM
Cloud cover
43%
1st clearest
Wind
6 mph
9th windiest
Solar energy
5.02 kWh/m²
Travel score
5.9
out of 10

Pine Bluff is city in and county seat of Jefferson County, Arkansas, United States.

Density
371/km²
people per km²
Founded
1839

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 81°F by the end.

A typical September day in Pine Bluff reaches about 85°F in the afternoon and slips back to 66°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 93°F. Set against its neighbours, September runs about 6°F cooler than August and about 10°F warmer than October.

40°60°80°100°151015202530
Avg high (°F)Avg low (°F)
18971
28971
38970
48870
58870
68869
78769
88769
98768
108768
118668
128667
138667
148667
158566
168566
178566
188465
198465
208465
218364
228364
238364
248363
258263
268262
278262
288161
298161
308160

How September really feels in Pine Bluff

Once humidity and wind are folded in, September averages 6 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
6
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.

Pine Bluff weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan52° / 35°4.09.40.7102.9
Feb56° / 38°4.09.5110.73.8
Mar65° / 46°5.211.30.211.75.8
Apr73° / 54°5.59.8012.86.8
May81° / 63°5.112.2013.86.0
Jun88° / 71°3.310.4014.24.4
Jul91° / 74°3.310.3014.13.6
Aug91° / 73°2.99013.33.9
Sep85° / 66°3.57012.25.9
Oct75° / 55°4.37.7011.17.4
Nov63° / 44°4.08.4010.25.8
Dec54° / 37°5.09.40.39.83.4

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 15% of September, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36436
46535
56535
66436
76535
86535
96634
106634
116634
126733
136733
146733
156733
166832
176832
186832
196733
206832
216931
226931
237030
247129
257129
267228
277228
287228
297327
307327

Chance of precipitation in September

Any precipitation

Pine Bluff gets around 3.5 in of rain over 7 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
524
624
724
824
924
1024
1124
1224
1325
1425
1525
1626
1726
1826
1926
2025
2125
2224
2323
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 27% of days. Sticky, muggy-or-worse air turns up on roughly 48% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1471930381
2582030371
3582029361
4692029351
57102029331
68112029321
79122029301
810122029290
911131929280
1011131929270
1112141929260
1213151829240
1314151829230
1415151829220
1516161829210
1617161829200
1718161929190
1819161928180
1921151928170
2023151927160
2124152026150
2226152025140
2328152024130
2430152023120
2532142022110
2634142022100
273514212190
283714212080
293914211970
304114201870

Wind in September

Winds average 6 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 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 60 minutes over September. Sunrise moves from 5:45 AM to 6:06 AM, and sunset from 6:30 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:456:30
212.75:466:29
312.75:476:27
412.65:476:26
512.65:486:25
612.65:496:23
712.55:506:22
812.55:506:20
912.55:516:19
1012.45:526:17
1112.45:526:16
1212.45:536:14
1312.35:546:13
1412.35:556:12
1512.25:556:10
1612.25:566:09
1712.25:576:07
1812.15:576:06
1912.15:586:04
2012.15:596:03
2112.06:006:01
2212.06:006:00
2312.06:015:58
2411.96:025:57
2511.96:035:55
2611.86:035:54
2711.86:045:53
2811.86:055:51
2911.76:065:50
3011.76:065:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.02 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 6.43 kWh/m² in June across the year — September's 5.02 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Pine Bluff

In seasonPeak

In September, Pine Bluff sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Pine Bluff sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Pine Bluff?

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

5.9
Sightseeing
4th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Pine Bluff in September

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

In September, Pine Bluff sees daytime highs around 85°F and nights near 66°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Pine Bluff 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 Pine Bluff peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 20UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Pine Bluff 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 Pine Bluff is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (January, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1621 µg/m³Jan 17 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar11Good
Apr11Good
May15Moderate
Jun19Moderate
Jul21Moderate
Aug18Moderate
Sep16Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Pine Bluff?

Pine Bluff sits at 34.2°N, 92.0°W, 220 ft above sea level, in United States. The nearest listed city is Bryant, 37 mi away.

Topography around Pine Bluff

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

Within 2 miles, the terrain around Pine Bluff has only modest variations in elevation — a maximum elevation change of 112 ft around an average of 223 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 256 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 928 ft.

The land around Pine Bluff is covered by trees (43%), grassland (21%) and artificial surfaces (21%) within 2 miles, trees (55%) and cropland (24%) within 10 miles, and trees (62%) and cropland (26%) within 50 miles.

2 miles
112 ft
10 miles
256 ft
50 miles
928 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Bryant 37 mi · Little Rock 39 mi · North Little Rock 40 mi · Benton 40 mi · Sherwood 42 mi · Jacksonville 45 mi · Maumelle 50 mi · Cabot 52 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 Pine Bluff (34.2284°, -92.0032°, elevation 220 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).