East Brainerd weather in September

In September, East Brainerd sees average daytime highs of 82°F and overnight lows near 63°F, with 3.9 in of rain across 8 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 85°F in the first days to 78°F by the end. The sky is clear or mostly clear about 41% 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 East Brainerd's 2nd-clearest and 9th-windiest month. For the whole year in context, see East Brainerd's year-round climate.

Daytime high
82°
4th warmest
Overnight low
63°
9th coldest
Rainfall
3.9 in
8 wet days
Daylight
12 h 12 min
6:28 AM – 6:41 PM
Cloud cover
51%
2nd clearest
Wind
4 mph
9th windiest
Solar energy
4.61 kWh/m²
Travel score
6.5
out of 10

East Brainerd is unincorporated community in Tennessee, United States.

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 85°F in the first days to 78°F by the end.

A typical September day in East Brainerd reaches about 82°F in the afternoon and slips back to 63°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 90°F. Set against its neighbours, September runs about 5°F cooler than August and about 10°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18567
28567
38567
48566
58566
68466
78465
88465
98465
108365
118364
128364
138364
148263
158263
168263
178162
188162
198162
208061
218061
228060
237960
247960
257959
267859
277858
287858
297758
307757

How September really feels in East Brainerd

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.

East Brainerd weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan49° / 33°4.710.21.19.92.1
Feb54° / 35°4.410.10.910.73.1
Mar62° / 42°5.211.60.211.75.1
Apr71° / 50°4.710.3012.96.5
May78° / 59°4.010.6013.86.6
Jun85° / 67°3.812.9014.35.0
Jul87° / 70°4.113.2014.14.3
Aug87° / 69°3.311.3013.34.7
Sep82° / 63°3.98012.26.5
Oct71° / 51°3.37.1011.17.2
Nov60° / 41°4.28.7010.25.2
Dec52° / 35°5.110.30.49.72.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25644
35743
45743
55743
65842
75842
85842
95941
105941
115941
125941
135842
145941
155842
165743
175743
185644
195644
205644
215644
225644
235842
245842
255842
266040
276139
286139
296238
306238

Chance of precipitation in September

Any precipitation

East Brainerd gets around 3.9 in of rain over 8 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 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
130
229
328
428
527
626
726
825
925
1025
1124
1224
1325
1425
1526
1626
1727
1827
1928
2028
2128
2228
2328
2428
2527
2627
2726
2825
2925
3025

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 37% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
139224521
2310234419
3411244318
4412254316
5513264215
6514274013
7615283912
8716293810
981730379
1081830368
1191930347
12102030337
13112130326
14112130316
15122230305
16132330295
17142330285
18152330275
19162330265
20172330254
21192330244
22212330234
23232329214
24252329204
25272228193
26292228183
27312227173
28332127163
29352126152
30372126152

Wind in September

Winds average 4 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
275calm
285calm
295calm
305calm

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 6:17 AM to 6:39 AM, and sunset from 7:03 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:177:03
212.76:187:02
312.76:197:01
412.76:196:59
512.66:206:58
612.66:216:56
712.66:226:55
812.56:226:53
912.56:236:52
1012.46:246:50
1112.46:256:49
1212.46:256:47
1312.36:266:46
1412.36:276:44
1512.36:286:43
1612.26:286:41
1712.26:296:40
1812.16:306:38
1912.16:316:37
2012.16:316:35
2112.06:326:34
2212.06:336:32
2312.06:346:31
2411.96:356:29
2511.96:356:28
2611.86:366:26
2711.86:376:25
2811.86:386:24
2911.76:386:22
3011.76:396:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.61 kWh/m².

For context, solar energy here swings from a low near 2.14 kWh/m² to a high of 6.05 kWh/m² in June across the year — September's 4.61 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.4Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
Planning a trip in September

Is September a good time to visit East Brainerd?

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

6.5
Sightseeing
3rd-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for East Brainerd in September

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

In September, East Brainerd sees daytime highs around 82°F and nights near 63°F. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in East Brainerd 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 East Brainerd peaks around July 12 at about 10 (extreme) — 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 highVery highHighModerateJul 12UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun10Very high
Jul10Extreme
Aug8Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in East Brainerd 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 East Brainerd is worst in July — around 18 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1618 µg/m³Jan 106 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar11Good
Apr11Good
May13Moderate
Jun15Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec6Good
Location & terrain

Where is East Brainerd?

East Brainerd sits at 35.0°N, 85.2°W, 735 ft above sea level, in United States. The nearest listed city is East Ridge, 5.6 mi away.

Topography around East Brainerd

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

Within 2 miles, the terrain around East Brainerd has only modest variations in elevation — a maximum elevation change of 413 ft around an average of 764 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 915 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,661 ft.

The land around East Brainerd is covered by trees (62%) and grassland (25%) within 2 miles, trees (63%) and grassland (23%) within 10 miles, and trees (79%) within 50 miles.

2 miles
413 ft
10 miles
915 ft
50 miles
3,661 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: East Ridge 5.6 mi · East Chattanooga 7.5 mi · Chattanooga 9.9 mi · Dalton 19 mi · Cleveland 19 mi · Calhoun 36 mi · Rome 51 mi · Cartersville 61 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 East Brainerd (34.9959°, -85.1502°, elevation 735 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).