Milledgeville weather in September

In September, Milledgeville sees average daytime highs of 85°F and overnight lows near 66°F, with 3.6 in of rain across 8.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 88°F in the first days to 82°F by the end. The sky is clear or mostly clear about 37% 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 Milledgeville's 4th-clearest and 9th-windiest month. For the whole year in context, see Milledgeville's year-round climate.

Daytime high
85°
4th warmest
Overnight low
66°
9th coldest
Rainfall
3.6 in
8.5 wet days
Daylight
12 h 12 min
6:21 AM – 6:33 PM
Cloud cover
54%
4th clearest
Wind
5 mph
9th windiest
Solar energy
4.69 kWh/m²
Travel score
5.5
out of 10

Milledgeville is city in and county seat of Baldwin County, Georgia, United States.

Density
355/km²
people per km²
Founded
1804

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 88°F in the first days to 82°F by the end.

A typical September day in Milledgeville reaches about 85°F in the afternoon and slips back to 66°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 93°F. Set against its neighbours, September runs about 5°F cooler than August and about 9°F warmer than October.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18870
28870
38869
48869
58869
68769
78768
88768
98768
108768
118767
128667
138667
148667
158667
168566
178566
188566
198565
208465
218465
228464
238364
248364
258364
268263
278263
288262
298262
308162

How September really feels in Milledgeville

Once humidity and wind are folded in, September averages 7 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
7
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.

Milledgeville weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 37°3.99.810.14.1
Feb61° / 40°4.08.510.85.1
Mar68° / 46°4.09.211.76.5
Apr76° / 54°3.07.912.87.2
May83° / 62°2.68.313.76.1
Jun88° / 69°4.013.414.14.0
Jul91° / 73°4.014.8143.2
Aug90° / 72°3.613.613.23.5
Sep85° / 66°3.68.512.25.5
Oct76° / 55°2.96.711.27.5
Nov66° / 44°3.07.210.36.7
Dec59° / 40°3.79.39.94.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25446
35446
45545
55644
65644
75743
85743
95842
105842
115842
125842
135941
145941
155842
165842
175842
185743
195743
205743
215743
225743
235644
245644
255644
265644
275644
285644
295644
305644

Chance of precipitation in September

Any precipitation

Milledgeville gets around 3.6 in of rain over 8.5 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 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
334
433
532
631
730
829
929
1028
1127
1227
1327
1427
1527
1627
1727
1827
1927
2027
2127
2227
2327
2427
2527
2626
2726
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 33% of days. Sticky, muggy-or-worse air turns up on roughly 55% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1251637401
2261737381
3361738360
4371838340
5371938320
6482038300
7482138290
8592237270
9692237260
106102337240
117112336230
127112336220
138122436210
148132435200
159132435200
1610142434190
1710142433190
1811142433180
1912142432180
2013142432170
2114152431170
2215152331160
2316152330150
2418162330140
2519162229130
2621172228120
2722172228110
2823182227100
2925182126100
302619212590

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 5 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
295calm
305calm

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 6:11 AM to 6:31 AM, and sunset from 6:54 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:116:54
212.76:126:53
312.76:126:51
412.66:136:50
512.66:146:49
612.56:146:47
712.56:156:46
812.56:166:45
912.46:176:43
1012.46:176:42
1112.46:186:40
1212.36:196:39
1312.36:196:38
1412.36:206:36
1512.26:216:35
1612.26:216:33
1712.26:226:32
1812.16:236:30
1912.16:236:29
2012.16:246:28
2112.06:256:26
2212.06:256:25
2312.06:266:23
2411.96:276:22
2511.96:276:21
2611.96:286:19
2711.86:296:18
2811.86:296:16
2911.76:306:15
3011.76:316:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.69 kWh/m².

For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 6.24 kWh/m² in May across the year — September's 4.69 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
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
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Is September a good time to visit Milledgeville?

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

5.5
Sightseeing
6th-best month of the year
7.0
Beach & pool
2nd-best month of the year

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

What to pack for Milledgeville in September

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

In September, Milledgeville sees daytime highs around 85°F and nights near 66°F. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Milledgeville 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 Milledgeville peaks around July 11 at about 9 (very high) — 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 highHighModerateJul 11UV 9Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Milledgeville 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 Milledgeville is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1619 µg/m³Jan 138 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar13Moderate
Apr11Good
May13Moderate
Jun17Moderate
Jul19Moderate
Aug16Moderate
Sep13Moderate
Oct13Moderate
Nov11Good
Dec9Good
Location & terrain

Where is Milledgeville?

Milledgeville sits at 33.1°N, 83.2°W, 344 ft above sea level, in United States. The nearest listed city is Macon, 29 mi away.

Topography around Milledgeville

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

Within 2 miles, the terrain around Milledgeville has only modest variations in elevation — a maximum elevation change of 230 ft around an average of 344 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 453 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 843 ft.

The land around Milledgeville is covered by trees (68%) within 2 miles, trees (79%) within 10 miles, and trees (82%) within 50 miles.

2 miles
230 ft
10 miles
453 ft
50 miles
843 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Macon 29 mi · Warner Robins 39 mi · Dublin 42 mi · Perry 52 mi · McDonough 58 mi · Griffin 61 mi · Conyers 61 mi · Athens 62 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 Milledgeville (33.0801°, -83.2321°, elevation 344 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).