Troy weather in September

In September, Troy sees average daytime highs of 86°F and overnight lows near 67°F, with 3.3 in of rain across 9.3 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 88°F in the first days to 83°F by the end. The sky is clear or mostly clear about 37% of the time in September, and the air most often feels oppressive.

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 Troy's 5th-clearest and 9th-windiest month. For the whole year in context, see Troy's year-round climate.

Daytime high
86°
4th warmest
Overnight low
67°
9th coldest
Rainfall
3.3 in
9.3 wet days
Daylight
12 h 12 min
5:32 AM – 5:44 PM
Cloud cover
53%
5th clearest
Wind
5 mph
9th windiest
Solar energy
4.86 kWh/m²
Travel score
5.2
out of 10

Troy is city in Pike County, Alabama, United States.

Density
257/km²
people per km²
Founded
1838

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 83°F by the end.

A typical September day in Troy reaches about 86°F in the afternoon and slips back to 67°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 92°F. Set against its neighbours, September runs about 4°F cooler than August and about 8°F warmer than October.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18870
28870
38870
48870
58870
68869
78869
88769
98769
108769
118768
128768
138768
148768
158668
168667
178667
188667
198567
208566
218566
228566
238465
248465
258465
268364
278364
288364
298363
308263

How September really feels in Troy

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.

Troy 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 daysDaylight (hours)Travel score
Jan58° / 39°4.19.810.24.5
Feb63° / 42°4.28.710.85.5
Mar69° / 48°4.1911.86.7
Apr76° / 54°3.48.112.87.2
May84° / 63°3.0913.65.9
Jun89° / 70°3.913.9143.9
Jul90° / 73°4.717.413.93.2
Aug90° / 72°4.315.713.23.5
Sep86° / 67°3.39.312.25.2
Oct77° / 56°2.86.311.27.5
Nov68° / 46°3.77.210.46.9
Dec60° / 41°4.29.3105.0

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 19% 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
45446
55545
65545
75644
85743
95743
105842
115941
125941
135941
145842
155842
165743
175743
185644
195644
205743
215644
225644
235644
245743
255743
265743
275842
285842
295842
305941

Chance of precipitation in September

Any precipitation

Troy gets around 3.3 in of rain over 9.3 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 31% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
238
337
436
535
634
734
833
932
1031
1131
1231
1330
1430
1530
1631
1731
1831
1931
2031
2130
2230
2329
2429
2528
2627
2726
2826
2925
3024

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the oppressive band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1141132511
2251232491
3251232471
4261332461
5261432451
6271532431
7281632420
8381731410
9391831400
103101930390
113102029370
123112129360
134112228350
144122328340
154122327330
165122427320
175122427310
186122527300
197122527290
208122527270
2110122527260
2211122427250
2313122427230
2415122428220
2517122328200
2618122328190
2720132228180
2821132228160
2922132128150
3024142127140

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
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 5:23 AM to 5:41 AM, and sunset from 6:04 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:236:04
212.75:246:03
312.65:246:01
412.65:256:00
512.65:265:59
612.55:265:58
712.55:275:56
812.55:275:55
912.45:285:53
1012.45:295:52
1112.45:295:51
1212.35:305:49
1312.35:315:48
1412.35:315:47
1512.25:325:45
1612.25:325:44
1712.25:335:43
1812.15:345:41
1912.15:345:40
2012.15:355:38
2112.05:365:37
2212.05:365:36
2312.05:375:34
2411.95:385:33
2511.95:385:32
2611.95:395:30
2711.85:395:29
2811.85:405:28
2911.85:415:26
3011.75:415:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.86 kWh/m².

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 6.3 kWh/m² in May across the year — September's 4.86 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
Planning a trip in September

Is September a good time to visit Troy?

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

5.2
Sightseeing
7th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Troy in September

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

In September, Troy sees daytime highs around 86°F and nights near 67°F. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Troy 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 Troy peaks around July 13 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 highHighModerateJul 13UV 10Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr8Very high
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov5Moderate
Dec3Moderate

Air quality in Troy 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 Troy 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1720 µg/m³Jan 128 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr10Good
May12Good
Jun17Moderate
Jul20Moderate
Aug17Moderate
Sep15Moderate
Oct12Good
Nov8Good
Dec8Good
Location & terrain

Where is Troy?

Troy sits at 31.8°N, 86.0°W, 541 ft above sea level, in United States. The nearest listed city is Enterprise, 35 mi away.

Topography around Troy

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

Within 2 miles, the terrain around Troy has only modest variations in elevation — a maximum elevation change of 220 ft around an average of 499 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 358 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 607 ft.

The land around Troy is covered by trees (68%) within 2 miles, trees (77%) within 10 miles, and trees (80%) within 50 miles.

2 miles
220 ft
10 miles
358 ft
50 miles
607 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Enterprise 35 mi · Montgomery 43 mi · Millbrook 52 mi · Dothan 53 mi · Prattville 53 mi · Auburn 62 mi · Opelika 67 mi · Phenix City 73 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 Troy (31.8088°, -85.9699°, elevation 541 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).