Brandon weather in September

In September, Brandon sees average daytime highs of 87°F and overnight lows near 67°F, with 3.2 in of rain across 8 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 89°F in the first days to 84°F by the end. The sky is clear or mostly clear about 46% 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 Brandon's 2nd-clearest and 9th-windiest month. For the whole year in context, see Brandon's year-round climate.

Daytime high
87°
4th warmest
Overnight low
67°
9th coldest
Rainfall
3.2 in
8 wet days
Daylight
12 h 12 min
5:48 AM – 6:00 PM
Cloud cover
48%
2nd clearest
Wind
5 mph
9th windiest
Solar energy
4.98 kWh/m²
Travel score
5.0
out of 10

Brandon is city in Mississippi, USA.

Density
349/km²
people per km²
Founded
1831

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 84°F by the end.

A typical September day in Brandon reaches about 87°F in the afternoon and slips back to 67°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 94°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)
19071
29071
38970
48970
58970
68970
78969
88969
98969
108869
118869
128868
138868
148868
158768
168767
178767
188767
198767
208666
218666
228665
238565
248565
258564
268464
278464
288463
298363
308362

How September really feels in Brandon

Once humidity and wind are folded in, September averages 13 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
13
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.

Brandon 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 daysDaylight (hours)Travel score
Jan57° / 38°4.79.410.14.1
Feb61° / 42°4.79.810.85.0
Mar68° / 48°4.710.511.86.3
Apr76° / 55°4.38.712.87.1
May83° / 64°4.19.813.65.9
Jun89° / 71°3.511.914.14.0
Jul91° / 73°4.214.313.93.3
Aug91° / 72°3.912.313.23.5
Sep87° / 67°3.2812.25.0
Oct77° / 56°3.57.411.27.4
Nov66° / 46°3.67.910.36.6
Dec59° / 40°4.69.59.94.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% 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 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35941
46040
56040
66040
76040
86139
96139
106139
116139
126139
136139
146139
156139
166040
176040
186139
196139
206139
216139
226238
236337
246436
256436
266634
276634
286733
296733
306733

Chance of precipitation in September

Any precipitation

Brandon gets around 3.2 in of rain over 8 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 27% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
132
232
331
431
530
630
729
829
928
1028
1128
1228
1328
1428
1528
1628
1728
1828
1928
2028
2127
2226
2326
2425
2524
2624
2723
2822
2922
3021

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1251532432
2251632422
3361633412
4361733392
5461733382
6471733372
7581833351
8581833341
9691833331
106101833321
117101833311
127111932301
138111932290
148121931290
159122031280
1610132031270
1710132130260
1811132130250
1912132129240
2013142129220
2115142129210
2216142128200
2318142128180
2420142127170
2522152127160
2623152126150
2725152126130
2826152125120
2928152124110
3029152124100

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
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 5:58 AM, and sunset from 6:21 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:396:21
212.75:396:19
312.65:406:18
412.65:416:17
512.65:416:15
612.55:426:14
712.55:436:13
812.55:436:11
912.45:446:10
1012.45:456:08
1112.45:456:07
1212.35:466:06
1312.35:466:04
1412.35:476:03
1512.25:486:02
1612.25:486:00
1712.25:495:59
1812.15:505:57
1912.15:505:56
2012.15:515:55
2112.05:525:53
2212.05:525:52
2312.05:535:50
2411.95:545:49
2511.95:545:48
2611.95:555:46
2711.85:565:45
2811.85:565:44
2911.85:575:42
3011.75:585:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.98 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 6.24 kWh/m² in June across the year — September's 4.98 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.6Bright
Planning a trip in September

Is September a good time to visit Brandon?

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

5.0
Sightseeing
6th-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Brandon in September

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

In September, Brandon sees daytime highs around 87°F and nights near 67°F. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Brandon 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 Brandon peaks around July 12 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 12UV 10Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar6High
Apr9Very high
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov5Moderate
Dec3Moderate

Air quality in Brandon 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 Brandon is worst in July — around 22 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (January, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1622 µg/m³Jan 106 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr10Good
May13Moderate
Jun18Moderate
Jul22Moderate
Aug17Moderate
Sep12Moderate
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Brandon?

Brandon sits at 32.3°N, 90.0°W, 482 ft above sea level, in United States. The nearest listed city is Pearl, 8.7 mi away.

Topography around Brandon

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

Within 2 miles, the terrain around Brandon has only modest variations in elevation — a maximum elevation change of 210 ft around an average of 417 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 410 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 620 ft.

The land around Brandon is covered by trees (67%) within 2 miles, trees (78%) within 10 miles, and trees (84%) within 50 miles.

2 miles
210 ft
10 miles
410 ft
50 miles
620 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Pearl 8.7 mi · Jackson 12 mi · Ridgeland 14 mi · Madison 15 mi · Clinton 20 mi · Vicksburg 52 mi · Laurel 64 mi · Meridian 75 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 Brandon (32.2732°, -89.9859°, elevation 482 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).