Jackson weather in September

In September, Jackson sees average daytime highs of 84°F and overnight lows near 64°F, with 3.1 in of rain across 7.6 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 48% 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 Jackson's 2nd-clearest and 9th-windiest month. For the whole year in context, see Jackson's year-round climate.

Daytime high
84°
4th warmest
Overnight low
64°
9th coldest
Rainfall
3.1 in
7.6 wet days
Daylight
12 h 12 min
5:43 AM – 5:56 PM
Cloud cover
46%
2nd clearest
Wind
5 mph
9th windiest
Solar energy
4.86 kWh/m²
Travel score
6.1
out of 10

Jackson is city in and county seat of Madison County, Tennessee, United States.

Density
442/km²
people per km²
Founded
1821

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 Jackson reaches about 84°F in the afternoon and slips back to 64°F overnight — a 20°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)
18868
28768
38768
48767
58767
68767
78667
88666
98666
108565
118565
128565
138565
148464
158464
168464
178363
188363
198362
208262
218262
228261
238161
248160
258160
268060
278059
288059
297958
307958

How September really feels in Jackson

Once humidity and wind are folded in, September averages 1 day 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
1
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.

Jackson 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°4.21019.92.0
Feb53° / 35°4.59.3110.73.0
Mar62° / 43°4.911.50.511.75.2
Apr71° / 52°5.110.2012.96.6
May79° / 61°4.711.5013.96.4
Jun87° / 69°3.810.9014.44.6
Jul90° / 72°3.912.4014.23.8
Aug89° / 70°3.310013.34.2
Sep84° / 64°3.17.6012.26.1
Oct73° / 52°3.87.8011.17.2
Nov60° / 42°4.090.210.15.1
Dec51° / 35°5.110.20.59.62.6

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 16% of September, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
26139
36238
46139
56139
66139
76139
86238
96238
106238
116238
126139
136139
146238
156238
166139
176139
186238
196238
206238
216337
226436
236436
246634
256733
266733
276832
286931
296931
307030

Chance of precipitation in September

Any precipitation

Jackson gets around 3.1 in of rain over 7.6 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 26% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
426
526
626
726
825
925
1025
1125
1225
1326
1426
1526
1627
1727
1827
1927
2027
2127
2226
2326
2425
2524
2624
2723
2823
2922
3022

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 26% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1511223626
2611223525
3712233524
4812233422
5913233321
61114233320
71214243218
81315243117
91415243116
101616243015
111716242914
121816232913
131917232813
142117222812
152217222712
162318222611
172418212611
182518212510
19271921259
20291920249
21301920238
22321919227
23341919217
24361918206
25381918196
26401917185
27421917175
28441916164
29451916164
30471916153

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
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 5:31 AM to 5:54 AM, and sunset from 6:19 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:316:19
212.85:326:17
312.75:336:16
412.75:346:14
512.65:346:13
612.65:356:11
712.65:366:10
812.55:376:08
912.55:376:07
1012.55:386:05
1112.45:396:04
1212.45:406:02
1312.35:416:01
1412.35:415:59
1512.35:425:58
1612.25:435:56
1712.25:445:55
1812.15:455:53
1912.15:455:52
2012.15:465:50
2112.05:475:49
2212.05:485:47
2312.05:485:46
2411.95:495:44
2511.95:505:43
2611.85:515:41
2711.85:525:40
2811.85:525:38
2911.75:535:37
3011.75:545:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.86 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 6.39 kWh/m² in June across the year — September's 4.86 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Is September a good time to visit Jackson?

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 Jackson for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Jackson in September

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

In September, Jackson sees daytime highs around 84°F and nights near 64°F. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Jackson in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jackson 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 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 21UV 10Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar7High
Apr7Very high
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep7Very high
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Jackson 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 Jackson is worst in July — around 19 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1518 µg/m³Dec 196 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr9Good
May13Moderate
Jun16Moderate
Jul19Moderate
Aug15Moderate
Sep11Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Jackson?

Jackson sits at 35.6°N, 88.8°W, 410 ft above sea level, in United States. The nearest listed city is Dyersburg, 43 mi away.

Topography around Jackson

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

Within 2 miles, the terrain around Jackson has only modest variations in elevation — a maximum elevation change of 223 ft around an average of 400 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 558 ft.

The land around Jackson is covered by trees (62%) and artificial surfaces (21%) within 2 miles, trees (63%) within 10 miles, and trees (61%) and cropland (29%) within 50 miles.

2 miles
223 ft
10 miles
358 ft
50 miles
558 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Dyersburg 43 mi · Collierville 62 mi · Cordova 63 mi · Ellendale 63 mi · Bartlett 66 mi · Germantown 67 mi · Olive Branch 73 mi · Murray 74 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 Jackson (35.6145°, -88.814°, elevation 410 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).