Southaven weather in September

In September, Southaven sees average daytime highs of 84°F and overnight lows near 65°F, with 3.1 in of rain across 7.4 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 87°F in the first days to 80°F by the end. The sky is clear or mostly clear about 50% 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 Southaven's 2nd-clearest and 9th-windiest month. For the whole year in context, see Southaven's year-round climate.

Daytime high
84°
4th warmest
Overnight low
65°
9th coldest
Rainfall
3.1 in
7.4 wet days
Daylight
12 h 12 min
5:48 AM – 6:01 PM
Cloud cover
45%
2nd clearest
Wind
5 mph
9th windiest
Solar energy
4.97 kWh/m²
Travel score
6.1
out of 10

Southaven is city in DeSoto County, Mississippi, United States.

Density
489/km²
people per km²
Founded
1980

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 80°F by the end.

A typical September day in Southaven reaches about 84°F in the afternoon and slips back to 65°F overnight — a 19°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 5°F cooler than August and about 11°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18869
28869
38769
48769
58768
68768
78767
88667
98667
108667
118566
128566
138566
148565
158465
168465
178464
188364
198364
208363
218363
228262
238262
248262
258161
268161
278160
288060
298059
308059

How September really feels in Southaven

Once humidity and wind are folded in, September averages 3 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
3
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.

Southaven weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan49° / 33°4.19.60.89.92.2
Feb54° / 36°4.29.50.810.73.2
Mar63° / 44°5.111.60.411.75.2
Apr71° / 53°4.910.4012.96.6
May80° / 62°4.811.3013.86.4
Jun87° / 70°3.79.9014.34.7
Jul90° / 73°4.011.1014.13.9
Aug89° / 71°3.29.1013.34.3
Sep84° / 65°3.17.4012.26.1
Oct73° / 53°4.07.4011.17.4
Nov61° / 43°3.98.40.110.25.4
Dec52° / 36°5.19.60.39.72.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36436
46436
56436
66337
76337
86337
96337
106337
116337
126337
136238
146238
156238
166238
176238
186238
196238
206238
216436
226535
236634
246733
256733
266832
276931
287030
297030
307030

Chance of precipitation in September

Any precipitation

Southaven gets around 3.1 in of rain over 7.4 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
426
526
626
725
825
925
1025
1125
1225
1325
1425
1526
1626
1727
1827
1927
2027
2126
2226
2325
2424
2523
2622
2722
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 45% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1491735341
25101834331
35111834311
46121833301
57121832291
68131932280
79141931260
811141931250
912151931230
1013151930220
1114161930210
1215161930200
1316161929190
1418161929180
1519171929170
1620172028160
1721172027150
1823172027140
1924172026130
2026172026120
2128172025110
2230171924100
233117192390
243317192280
253518182180
263718182070
273918181960
284018181860
294218181750
304318181750

Wind in September

Winds average 5 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
135calm
145calm
155calm
165calm
175calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:37 AM to 5:59 AM, and sunset from 6:23 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:376:23
212.75:376:21
312.75:386:20
412.75:396:19
512.65:406:17
612.65:406:16
712.65:416:14
812.55:426:13
912.55:436:11
1012.45:436:10
1112.45:446:08
1212.45:456:07
1312.35:466:05
1412.35:466:04
1512.35:476:02
1612.25:486:01
1712.25:495:59
1812.15:495:58
1912.15:505:56
2012.15:515:55
2112.05:525:53
2212.05:525:52
2312.05:535:50
2411.95:545:49
2511.95:555:47
2611.85:565:46
2711.85:565:44
2811.85:575:43
2911.75:585:42
3011.75:595:40

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 2.2 kWh/m² to a high of 6.45 kWh/m² in June across the year — September's 4.97 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
95.2Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
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 Southaven?

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

6.1
Sightseeing
4th-best month of the year
7.3
Beach & pool
1st-best month of the year

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

What to pack for Southaven in September

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

In September, Southaven sees daytime highs around 84°F and nights near 65°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Southaven 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 Southaven peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May9Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Southaven 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 Southaven is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1419 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar11Good
Apr10Good
May14Moderate
Jun17Moderate
Jul19Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Southaven?

Southaven sits at 35.0°N, 90.0°W, 312 ft above sea level, in United States. The nearest listed city is Horn Lake, 2.5 mi away.

Topography around Southaven

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

Within 2 miles, the terrain around Southaven has only modest variations in elevation — a maximum elevation change of 167 ft around an average of 315 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 292 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 682 ft.

The land around Southaven is covered by trees (51%) and artificial surfaces (27%) within 2 miles, trees (53%) within 10 miles, and trees (49%) and cropland (37%) within 50 miles.

2 miles
167 ft
10 miles
292 ft
50 miles
682 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Horn Lake 2.5 mi · New South Memphis 7.5 mi · Olive Branch 11 mi · Memphis 11 mi · Hernando 11 mi · Germantown 13 mi · West Memphis 14 mi · Bartlett 17 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 Southaven (34.989°, -90.0126°, elevation 312 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).