Americus weather in September

In September, Americus sees average daytime highs of 86°F and overnight lows near 68°F, with 3.9 in of rain across 9.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 89°F in the first days to 83°F by the end. The sky is clear or mostly clear about 38% 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 Americus's 5th-clearest and 9th-windiest month. For the whole year in context, see Americus's year-round climate.

Daytime high
86°
4th warmest
Overnight low
68°
9th coldest
Rainfall
3.9 in
9.1 wet days
Daylight
12 h 12 min
6:25 AM – 6:37 PM
Cloud cover
53%
5th clearest
Wind
6 mph
9th windiest
Solar energy
4.84 kWh/m²
Travel score
5.0
out of 10

Americus is city in Sumter County, Georgia, USA.

Density
538/km²
people per km²

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 89°F in the first days to 83°F by the end.

A typical September day in Americus reaches about 86°F in the afternoon and slips back to 68°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 93°F. Set against its neighbours, September runs about 4°F cooler than August and about 9°F warmer than October.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18971
28971
38971
48971
58971
68870
78870
88870
98870
108869
118869
128769
138769
148769
158768
168768
178668
188668
198667
208667
218567
228567
238566
248466
258465
268465
278365
288364
298364
308264

How September really feels in Americus

Once humidity and wind are folded in, September averages 11 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
11
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.

Americus weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan59° / 39°3.89.210.14.7
Feb63° / 42°4.38.310.85.6
Mar70° / 48°4.1911.86.8
Apr77° / 55°3.17.612.87.3
May84° / 64°2.38.113.65.8
Jun89° / 71°3.814.114.13.8
Jul91° / 74°4.316.713.93.0
Aug90° / 73°4.015.413.23.3
Sep86° / 68°3.99.112.25.0
Oct78° / 57°2.86.111.27.5
Nov68° / 46°3.06.910.46.9
Dec61° / 41°3.98.79.95.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25545
35644
45644
55743
65743
75842
85941
95941
106040
116040
126040
136040
145941
156040
166040
175941
185941
195842
205842
215842
225743
235842
245842
255842
265842
275743
285743
295743
305644

Chance of precipitation in September

Any precipitation

Americus gets around 3.9 in of rain over 9.1 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 30% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
239
338
437
536
635
733
832
931
1030
1130
1229
1329
1429
1529
1629
1729
1829
1930
2029
2129
2229
2329
2428
2528
2627
2726
2826
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 58% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
126143246
226153344
326153343
437163341
538173339
638183437
749193435
849203433
9410213431
10510213430
11511223428
12511233427
13612233426
14612243425
15612243424
16712253423
17713253422
18813253421
19913253420
201012253419
211112253319
221212253318
231412243217
241513243216
251713243116
261813243015
272013232914
282113232914
292214232813
302314232713

Wind in September

Winds average 6 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
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
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 6:16 AM to 6:35 AM, and sunset from 6:57 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:166:57
212.76:176:56
312.66:176:55
412.66:186:53
512.66:186:52
612.56:196:51
712.56:206:49
812.56:206:48
912.46:216:47
1012.46:226:45
1112.46:226:44
1212.36:236:43
1312.36:246:41
1412.36:246:40
1512.26:256:38
1612.26:256:37
1712.26:266:36
1812.16:276:34
1912.16:276:33
2012.16:286:32
2112.06:296:30
2212.06:296:29
2312.06:306:27
2411.96:316:26
2511.96:316:25
2611.96:326:23
2711.86:336:22
2811.86:336:21
2911.86:346:19
3011.76:356:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.84 kWh/m².

For context, solar energy here swings from a low near 2.55 kWh/m² to a high of 6.41 kWh/m² in May across the year — September's 4.84 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Is September a good time to visit Americus?

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

5.0
Sightseeing
8th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Americus in September

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

In September, Americus sees daytime highs around 86°F and nights near 68°F. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Americus in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Americus peaks around June 21 at about 10 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 21UV 10Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr8Very high
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Americus 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 Americus is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1619 µg/m³Jan 18 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar13Moderate
Apr11Good
May12Good
Jun16Moderate
Jul20Moderate
Aug16Moderate
Sep12Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Americus?

Americus sits at 32.1°N, 84.2°W, 430 ft above sea level, in United States. The nearest listed city is Albany, 34 mi away.

Topography around Americus

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

Within 2 miles, the terrain around Americus has only modest variations in elevation — a maximum elevation change of 177 ft around an average of 407 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 302 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 722 ft.

The land around Americus is covered by trees (72%) within 2 miles, trees (65%) within 10 miles, and trees (71%) within 50 miles.

2 miles
177 ft
10 miles
302 ft
50 miles
722 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Albany 34 mi · Perry 40 mi · Warner Robins 52 mi · Columbus 52 mi · Phenix City 53 mi · Tifton 60 mi · Macon 63 mi · Opelika 78 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 Americus (32.0724°, -84.2327°, elevation 430 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).