Springfield weather in September

In September, Springfield sees average daytime highs of 82°F and overnight lows near 62°F, with 3.1 in of rain across 7.7 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 86°F in the first days to 78°F by the end. The sky is clear or mostly clear about 45% of the time in September, and the air most often feels dry.

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

Daytime high
82°
4th warmest
Overnight low
62°
9th coldest
Rainfall
3.1 in
7.7 wet days
Daylight
12 h 12 min
5:35 AM – 5:49 PM
Cloud cover
49%
2nd clearest
Wind
5 mph
9th windiest
Solar energy
4.72 kWh/m²
Travel score
6.5
out of 10

Springfield is city in Tennessee, United States.

Density
483/km²
people per km²
Founded
1798

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 86°F in the first days to 78°F by the end.

A typical September day in Springfield reaches about 82°F in the afternoon and slips back to 62°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 91°F. Set against its neighbours, September runs about 6°F cooler than August and about 11°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18667
28667
38667
48666
58566
68566
78565
88565
98465
108464
118464
128364
138363
148363
158262
168262
178262
188261
198161
208161
218060
228060
238059
247959
257958
267958
277858
287857
297857
307756

How September really feels in Springfield

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Springfield 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
Jan46° / 31°3.910.21.89.81.3
Feb50° / 33°4.2101.710.62.3
Mar60° / 41°4.811.50.811.74.6
Apr70° / 50°4.9110.112.96.2
May78° / 60°4.711.7013.96.4
Jun86° / 68°3.411.4014.44.9
Jul89° / 71°3.611.1014.24.1
Aug88° / 69°3.010013.44.5
Sep82° / 62°3.17.7012.26.5
Oct71° / 50°3.57.90.111.17.1
Nov58° / 40°3.890.210.14.6
Dec49° / 34°4.610.60.89.62.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
36040
45941
56040
66040
76040
86040
95941
105941
115941
125842
135842
145842
155743
165743
175743
185842
195842
205842
215842
225941
235941
246040
256238
266238
276337
286436
296436
306436

Chance of precipitation in September

Any precipitation

Springfield gets around 3.1 in of rain over 7.7 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 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
227
327
427
527
626
726
825
925
1024
1124
1224
1324
1424
1525
1625
1726
1826
1926
2027
2127
2227
2326
2426
2526
2625
2725
2824
2924
3023

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1713233522
2813243421
3913253319
41014253318
51114263216
61315273115
71416273013
81516282912
91617282811
101717282810
11191728279
12201828268
13211828267
14231827257
15241927246
16261926236
17272025236
18292024225
19302023215
20322022215
21342121204
22362120194
23382119184
24412018173
25422018173
26442017163
27462016153
28472016143
29492015142
30502015132

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
225calm
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 5:23 AM to 5:47 AM, and sunset from 6:12 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:236:12
212.85:246:10
312.75:246:09
412.75:256:07
512.75:266:06
612.65:276:04
712.65:286:03
812.55:286:01
912.55:296:00
1012.55:305:58
1112.45:315:57
1212.45:325:55
1312.35:335:53
1412.35:335:52
1512.35:345:50
1612.25:355:49
1712.25:365:47
1812.15:375:46
1912.15:375:44
2012.15:385:42
2112.05:395:41
2212.05:405:39
2312.05:415:38
2411.95:425:36
2511.95:425:35
2611.85:435:33
2711.85:445:32
2811.85:455:30
2911.75:465:29
3011.75:475:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.72 kWh/m².

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 6.27 kWh/m² in June across the year — September's 4.72 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
Planning a trip in September

Is September a good time to visit Springfield?

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

6.5
Sightseeing
2nd-best month of the year
7.2
Beach & pool
1st-best month of the year

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

What to pack for Springfield in September

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

In September, Springfield sees daytime highs around 82°F and nights near 62°F. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Springfield 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 Springfield peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highHighModerateJul 10UV 9Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Springfield 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 Springfield is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1519 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr11Good
May14Moderate
Jun16Moderate
Jul19Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Springfield?

Springfield sits at 36.5°N, 86.9°W, 666 ft above sea level, in United States. The nearest listed city is Goodlettsville, 16 mi away.

Topography around Springfield

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

Within 2 miles, the terrain around Springfield has only modest variations in elevation — a maximum elevation change of 308 ft around an average of 653 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 531 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,142 ft.

The land around Springfield is covered by trees (41%) and grassland (26%) within 2 miles, trees (41%), grassland (29%) and cropland (29%) within 10 miles, and trees (56%) and grassland (22%) within 50 miles.

2 miles
308 ft
10 miles
531 ft
50 miles
1,142 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Goodlettsville 16 mi · Hendersonville 21 mi · Nashville 24 mi · Gallatin 25 mi · Hermitage 26 mi · Clarksville 26 mi · Mount Juliet 30 mi · Brentwood 34 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 Springfield (36.5092°, -86.885°, elevation 666 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).