Cartersville weather in September

In September, Cartersville sees average daytime highs of 82°F and overnight lows near 64°F, with 3.6 in of rain across 8.2 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-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 40% 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 Cartersville's 3rd-clearest and 9th-windiest month. For the whole year in context, see Cartersville's year-round climate.

Daytime high
82°
4th warmest
Overnight low
64°
9th coldest
Rainfall
3.6 in
8.2 wet days
Daylight
12 h 12 min
6:27 AM – 6:40 PM
Cloud cover
52%
3rd clearest
Wind
5 mph
9th windiest
Solar energy
4.61 kWh/m²
Travel score
6.3
out of 10

Cartersville is city in Bartow County, Georgia, United States.

Density
268/km²
people per km²
Founded
1850

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 Cartersville reaches about 82°F in the afternoon and slips back to 64°F overnight — a 18°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)
18568
28568
38567
48567
58567
68567
78466
88466
98466
108465
118365
128365
138365
148364
158364
168264
178264
188263
198163
208162
218162
228062
238061
248061
257961
267960
277960
287859
297859
307859

How September really feels in Cartersville

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.

Cartersville weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan51° / 34°4.710.80.7102.6
Feb56° / 37°4.610.70.610.73.5
Mar63° / 44°4.910.70.111.75.5
Apr72° / 51°4.310012.86.7
May79° / 60°3.610.4013.86.6
Jun85° / 68°3.913.3014.24.8
Jul88° / 71°4.3140144.1
Aug87° / 70°3.712.2013.34.5
Sep82° / 64°3.68.2012.26.3
Oct72° / 52°3.37.2011.17.3
Nov62° / 42°4.18.7010.25.5
Dec54° / 37°4.810.70.39.83.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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
45644
55743
65743
75842
85842
95842
105941
115941
125941
135941
145842
155941
165842
175743
185743
195644
205644
215644
225644
235743
245743
255743
265842
275941
285941
295941
305941

Chance of precipitation in September

Any precipitation

Cartersville gets around 3.6 in of rain over 8.2 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 28% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
133
232
331
430
529
628
727
826
926
1025
1125
1225
1326
1426
1527
1627
1728
1828
1929
2029
2129
2229
2329
2428
2528
2627
2727
2826
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 29% of days. Sticky, muggy-or-worse air turns up on roughly 40% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
129234224
2310244123
3310254021
4411263920
5412273819
6513283718
7614283616
8715293415
9815303314
10916303313
111017303212
121117303111
131218303010
141318303010
15131830299
16141930289
17151929288
18171929278
19181929278
20191928267
21211928267
22221927256
23242026246
24262026235
25272025235
26292025224
27312024214
28322024204
29342024193
30352023183

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
235calm
245calm
255calm
265calm
275calm
285calm
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 6:16 AM to 6:38 AM, and sunset from 7:01 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:167:01
212.76:177:00
312.76:186:59
412.66:196:57
512.66:196:56
612.66:206:54
712.56:216:53
812.56:226:51
912.56:226:50
1012.46:236:49
1112.46:246:47
1212.46:246:46
1312.36:256:44
1412.36:266:43
1512.26:276:41
1612.26:276:40
1712.26:286:38
1812.16:296:37
1912.16:296:35
2012.16:306:34
2112.06:316:33
2212.06:326:31
2312.06:326:30
2411.96:336:28
2511.96:346:27
2611.86:356:25
2711.86:356:24
2811.86:366:22
2911.76:376:21
3011.76:386:20

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 2.24 kWh/m² to a high of 6.03 kWh/m² in June across the year — September's 4.61 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
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
154.7Bright
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 Cartersville?

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

6.3
Sightseeing
4th-best month of the year
7.0
Beach & pool
1st-best month of the year

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

What to pack for Cartersville in September

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

In September, Cartersville sees daytime highs around 82°F and nights near 64°F. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Cartersville 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 Cartersville peaks around July 11 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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 11UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Cartersville 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 Cartersville is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (January, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1620 µg/m³Jan 117 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar11Good
Apr12Moderate
May14Moderate
Jun17Moderate
Jul20Moderate
Aug16Moderate
Sep12Moderate
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Cartersville?

Cartersville sits at 34.2°N, 84.8°W, 768 ft above sea level, in United States. The nearest listed city is Acworth, 9.9 mi away.

Topography around Cartersville

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

Within 2 miles, the terrain around Cartersville has only modest variations in elevation — a maximum elevation change of 427 ft around an average of 764 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,106 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,563 ft.

The land around Cartersville is covered by trees (53%), grassland (23%) and artificial surfaces (22%) within 2 miles, trees (72%) within 10 miles, and trees (82%) within 50 miles.

2 miles
427 ft
10 miles
1,106 ft
50 miles
3,563 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Acworth 9.9 mi · Kennesaw 14 mi · Woodstock 17 mi · Canton 19 mi · Marietta 21 mi · Rome 22 mi · Calhoun 25 mi · Smyrna 25 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 Cartersville (34.1653°, -84.8023°, elevation 768 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).