Greenwood weather in September

In September, Greenwood sees average daytime highs of 86°F and overnight lows near 67°F, with 3.1 in of rain across 6.2 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 89°F in the first days to 82°F by the end. The sky is clear or mostly clear about 52% 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 Greenwood's 2nd-clearest and 9th-windiest month. For the whole year in context, see Greenwood's year-round climate.

Daytime high
86°
4th warmest
Overnight low
67°
9th coldest
Rainfall
3.1 in
6.2 wet days
Daylight
12 h 12 min
5:49 AM – 6:01 PM
Cloud cover
43%
2nd clearest
Wind
6 mph
9th windiest
Solar energy
5.09 kWh/m²
Travel score
5.6
out of 10

Greenwood is county seat of Leflore County, Mississippi, United States.

Density
469/km²
people per km²
Founded
1830

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 89°F in the first days to 82°F by the end.

A typical September day in Greenwood reaches about 86°F in the afternoon and slips back to 67°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 93°F. Set against its neighbours, September runs about 5°F cooler than August and about 10°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
18971
28971
38971
48971
58970
68970
78870
88870
98869
108869
118769
128768
138768
148768
158767
168667
178667
188666
198566
208566
218565
228465
238465
248464
258364
268363
278363
288262
298262
308262

How September really feels in Greenwood

Once humidity and wind are folded in, September averages 10 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
10
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.

Greenwood 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
Jan54° / 37°4.99.80.4103.3
Feb58° / 40°4.99.90.510.84.3
Mar66° / 47°5.211.20.111.76.0
Apr74° / 55°4.99.1012.87.0
May81° / 64°4.410013.76.3
Jun88° / 71°3.19.2014.24.7
Jul90° / 74°3.310.30143.9
Aug91° / 73°3.09.9013.23.9
Sep86° / 67°3.16.2012.25.6
Oct76° / 55°3.87.6011.27.4
Nov64° / 45°4.18.6010.36.1
Dec56° / 39°5.19.60.19.83.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% 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 (%)
16436
26535
36535
46535
56535
66634
76634
86634
96733
106733
116733
126733
136832
146832
156832
166832
176733
186733
196832
206832
216832
226931
236931
247129
257129
267228
277228
287228
297327
307327

Chance of precipitation in September

Any precipitation

Greenwood gets around 3.1 in of rain over 6.2 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 21% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
225
324
424
523
623
722
821
921
1020
1120
1220
1321
1421
1521
1621
1722
1822
1922
2022
2122
2221
2321
2420
2520
2620
2719
2819
2918
3018

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1271634392
2271734372
3381735361
4391835341
5491835331
64101934311
75111934301
86121933291
96122033281
107132032271
118132032261
128142031261
139142031251
1410142130241
1511142130241
1612142129231
1713142229220
1814142228210
1915142228200
2017142327190
2119142326180
2220142326170
2322142325160
2424142324140
2526142324130
2628142323120
2730142222110
2831152222100
293315222190
303416212180

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
115calm
125calm
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 5:39 AM to 5:59 AM, and sunset from 6:22 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:396:22
212.75:396:21
312.75:406:20
412.65:416:18
512.65:416:17
612.65:426:15
712.55:436:14
812.55:436:13
912.55:446:11
1012.45:456:10
1112.45:456:08
1212.35:466:07
1312.35:476:05
1412.35:486:04
1512.25:486:03
1612.25:496:01
1712.25:506:00
1812.15:505:58
1912.15:515:57
2012.15:525:55
2112.05:525:54
2212.05:535:53
2312.05:545:51
2411.95:555:50
2511.95:555:48
2611.85:565:47
2711.85:575:45
2811.85:575:44
2911.75:585:43
3011.75:595:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.09 kWh/m².

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 6.5 kWh/m² in June across the year — September's 5.09 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Greenwood?

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

5.6
Sightseeing
6th-best month of the year
7.5
Beach & pool
1st-best month of the year

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

What to pack for Greenwood in September

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

In September, Greenwood sees daytime highs around 86°F and nights near 67°F. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Greenwood 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 Greenwood peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 21UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr9Very high
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Greenwood 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 Greenwood is worst in July — around 21 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1620 µg/m³Dec 226 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar11Good
Apr10Good
May14Moderate
Jun17Moderate
Jul21Moderate
Aug16Moderate
Sep12Good
Oct8Good
Nov7Good
Dec6Good
Location & terrain

Where is Greenwood?

Greenwood sits at 33.5°N, 90.2°W, 131 ft above sea level, in United States. The nearest listed city is Greenville, 52 mi away.

Topography around Greenwood

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

Within 2 miles, the terrain around Greenwood has only modest variations in elevation — a maximum elevation change of 82 ft around an average of 131 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 358 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 548 ft.

The land around Greenwood is covered by trees (36%), grassland (22%) and cropland (20%) within 2 miles, cropland (46%) and trees (42%) within 10 miles, and trees (53%) and cropland (39%) within 50 miles.

2 miles
82 ft
10 miles
358 ft
50 miles
548 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Greenville 52 mi · Clarksdale 52 mi · Oxford 70 mi · Madison 73 mi · Ridgeland 75 mi · Starkville 78 mi · Clinton 81 mi · Jackson 84 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 Greenwood (33.5162°, -90.1795°, elevation 131 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).