Macon weather in September

In September, Macon sees average daytime highs of 85°F and overnight lows near 66°F, with 3.6 in of rain across 8.8 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 Macon's 4th-clearest and 9th-windiest month. For the whole year in context, see Macon's year-round climate.

Daytime high
85°
4th warmest
Overnight low
66°
9th coldest
Rainfall
3.6 in
8.8 wet days
Daylight
12 h 12 min
6:23 AM – 6:35 PM
Cloud cover
54%
4th clearest
Wind
5 mph
9th windiest
Solar energy
4.71 kWh/m²
Travel score
5.3
out of 10

Macon is consolidated city-county in Bibb County, Georgia, United States of America.

Density
626/km²
people per km²
Founded
1823

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 Macon 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 78°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)
18970
28870
38869
48869
58869
68869
78769
88768
98768
108768
118767
128767
138667
148667
158667
168666
178566
188566
198565
208565
218465
228465
238464
248364
258364
268363
278263
288262
298262
308262

How September really feels in Macon

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.

Macon 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°4.09.910.14.2
Feb61° / 40°4.18.610.85.2
Mar69° / 46°3.98.911.86.6
Apr76° / 53°3.1812.87.2
May84° / 62°2.58.313.75.9
Jun89° / 70°3.814.114.13.8
Jul91° / 73°4.014.813.93.2
Aug90° / 72°3.714.213.23.4
Sep85° / 66°3.68.812.25.3
Oct77° / 55°2.86.211.27.6
Nov67° / 44°3.07.110.36.7
Dec59° / 40°3.99.29.94.8

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
25347
35446
45545
55545
65644
75644
85842
95842
105842
115941
125941
135941
145941
155941
165842
175842
185842
195743
205743
215743
225644
235743
245743
255743
265743
275743
285743
295743
305743

Chance of precipitation in September

Any precipitation

Macon gets around 3.6 in of rain over 8.8 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 29% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
236
335
435
534
633
732
831
931
1030
1129
1229
1328
1428
1528
1628
1728
1828
1928
2028
2128
2227
2327
2427
2527
2626
2726
2825
2925
3024

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 54% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1361635401
2361635390
3471735370
4471835350
5481935340
6581935320
7592035310
86102135290
96112135270
106112135260
117122235240
127132235230
137142334220
148142334210
158152334200
169152434190
179152434180
1810152433180
1911152433170
2012152433160
2113152432150
2214152432150
2316152431140
2417152430130
2519152430120
2620152429120
2722162328110
2823162327100
2924172326100
302617222590

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
256calm
266calm
276calm
286calm
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 6:13 AM to 6:32 AM, and sunset from 6:56 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:136:56
212.76:146:54
312.66:146:53
412.66:156:52
512.66:166:50
612.56:166:49
712.56:176:47
812.56:186:46
912.46:186:45
1012.46:196:43
1112.46:206:42
1212.36:206:40
1312.36:216:39
1412.36:226:38
1512.26:226:36
1612.26:236:35
1712.26:246:33
1812.16:246:32
1912.16:256:31
2012.16:266:29
2112.06:266:28
2212.06:276:26
2312.06:286:25
2411.96:286:24
2511.96:296:22
2611.96:306:21
2711.86:306:19
2811.86:316:18
2911.76:326:17
3011.76:326:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.71 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 6.27 kWh/m² in May across the year — September's 4.71 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Is September a good time to visit Macon?

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

5.3
Sightseeing
6th-best month of the year
7.0
Beach & pool
2nd-best month of the year

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

What to pack for Macon in September

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

In September, Macon 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 Macon 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 Macon peaks around June 23 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 highHighModerateJun 23UV 9Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Macon 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 Macon is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1620 µg/m³Jan 108 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar14Moderate
Apr12Good
May13Moderate
Jun17Moderate
Jul21Moderate
Aug17Moderate
Sep13Moderate
Oct12Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Macon?

Macon sits at 32.8°N, 83.6°W, 367 ft above sea level, in United States. The nearest listed city is Warner Robins, 16 mi away.

Topography around Macon

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

Within 2 miles, the terrain around Macon has only modest variations in elevation — a maximum elevation change of 262 ft around an average of 394 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 630 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,194 ft.

The land around Macon is covered by trees (55%) and artificial surfaces (33%) within 2 miles, trees (81%) within 10 miles, and trees (79%) within 50 miles.

2 miles
262 ft
10 miles
630 ft
50 miles
1,194 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Warner Robins 16 mi · Perry 27 mi · Milledgeville 29 mi · Griffin 46 mi · Dublin 47 mi · McDonough 52 mi · Stockbridge 60 mi · Conyers 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 Macon (32.8407°, -83.6324°, elevation 367 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).