Vicksburg weather in September

In September, Vicksburg sees average daytime highs of 88°F and overnight lows near 69°F, with 3.4 in of rain across 7.5 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 90°F in the first days to 84°F by the end. The sky is clear or mostly clear about 48% of the time in September, and the air most often feels oppressive.

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 Vicksburg's 2nd-clearest and 9th-windiest month. For the whole year in context, see Vicksburg's year-round climate.

Daytime high
88°
4th warmest
Overnight low
69°
9th coldest
Rainfall
3.4 in
7.5 wet days
Daylight
12 h 12 min
5:52 AM – 6:04 PM
Cloud cover
46%
2nd clearest
Wind
5 mph
9th windiest
Solar energy
5.05 kWh/m²
Travel score
4.9
out of 10

Vicksburg is city and county seat of Warren County, Mississippi, United States.

Density
255/km²
people per km²
Founded
1825

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 90°F in the first days to 84°F by the end.

A typical September day in Vicksburg reaches about 88°F in the afternoon and slips back to 69°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 95°F. Set against its neighbours, September runs about 4°F cooler than August and about 10°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19172
29172
39172
49072
59071
69071
79071
89071
98971
108970
118970
128970
138970
148969
158869
168869
178869
188768
198768
208768
218767
228667
238667
248666
258566
268565
278565
288464
298464
308464

How September really feels in Vicksburg

Once humidity and wind are folded in, September averages 17 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
17
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.

Vicksburg 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 daysDaylight (hours)Travel score
Jan57° / 40°4.99.910.14.2
Feb62° / 43°4.69.610.85.2
Mar69° / 50°4.910.711.86.4
Apr76° / 57°4.69.112.87.0
May83° / 65°3.89.813.65.8
Jun89° / 72°3.311.614.13.9
Jul92° / 75°3.712.913.93.3
Aug92° / 74°3.510.613.23.3
Sep88° / 69°3.47.512.24.9
Oct78° / 57°3.87.711.27.3
Nov67° / 47°3.88.310.36.7
Dec60° / 42°4.69.59.94.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26238
36238
46337
56337
66337
76337
86436
96535
106535
116535
126535
136535
146535
156436
166436
176436
186436
196436
206535
216634
226634
236733
246832
256832
266931
276931
287030
297030
307030

Chance of precipitation in September

Any precipitation

Vicksburg gets around 3.4 in of rain over 7.5 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 26% and peaks near 30% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
130
230
330
430
529
629
728
828
927
1027
1126
1226
1326
1426
1526
1626
1726
1826
1926
2025
2125
2224
2324
2423
2522
2622
2721
2821
2920
3020

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1251427503
2251427493
3261427473
4361528463
5371528453
6381528432
7481628422
8491628412
95101628402
105101628392
116111628382
126111628371
137121628361
147121728351
158121728331
168131728321
179131828311
1810131828291
1911131928281
2012131928261
2114131928241
2215132028221
2317142028211
2418142028191
2520142028171
2621152027161
2722152027151
2824152126141
2925162125131
3026162125120

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
185calm
195calm
205calm
215calm
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 5:42 AM to 6:01 AM, and sunset from 6:24 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:426:24
212.75:436:23
312.65:446:22
412.65:446:20
512.65:456:19
612.55:466:17
712.55:466:16
812.55:476:15
912.45:476:13
1012.45:486:12
1112.45:496:11
1212.35:496:09
1312.35:506:08
1412.35:516:06
1512.25:516:05
1612.25:526:04
1712.25:536:02
1812.15:536:01
1912.15:546:00
2012.15:555:58
2112.05:555:57
2212.05:565:55
2312.05:575:54
2411.95:575:53
2511.95:585:51
2611.95:595:50
2711.85:595:48
2811.86:005:47
2911.86:015:46
3011.76:015:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.05 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 6.34 kWh/m² in June across the year — September's 5.05 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Vicksburg

In seasonPeak

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

Vicksburg 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 Vicksburg?

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

4.9
Sightseeing
7th-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Vicksburg in September

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

In September, Vicksburg sees daytime highs around 88°F and nights near 69°F. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Vicksburg 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 Vicksburg peaks around July 10 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 10UV 10Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr9Very high
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov5Moderate
Dec3Moderate

Air quality in Vicksburg 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 Vicksburg is worst in July — around 22 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1622 µg/m³Dec 216 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr10Good
May14Moderate
Jun18Moderate
Jul22Moderate
Aug17Moderate
Sep11Good
Oct8Good
Nov7Good
Dec6Good
Location & terrain

Where is Vicksburg?

Vicksburg sits at 32.4°N, 90.9°W, 240 ft above sea level, in United States. The nearest listed city is Clinton, 32 mi away.

Topography around Vicksburg

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

Within 2 miles, the terrain around Vicksburg has only modest variations in elevation — a maximum elevation change of 335 ft around an average of 177 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 381 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 528 ft.

The land around Vicksburg is covered by trees (58%) within 2 miles, trees (70%) within 10 miles, and trees (64%) and cropland (25%) within 50 miles.

2 miles
335 ft
10 miles
381 ft
50 miles
528 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Clinton 32 mi · Jackson 40 mi · Ridgeland 44 mi · Pearl 44 mi · Madison 45 mi · Brandon 52 mi · Natchez 63 mi · Monroe 73 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 Vicksburg (32.3526°, -90.8779°, elevation 240 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).