Copperas Cove weather in September

In September, Copperas Cove sees average daytime highs of 88°F and overnight lows near 68°F, with 2.7 in of rain across 6.3 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 91°F in the first days to 85°F by the end. The sky is clear or mostly clear about 54% 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 Copperas Cove's 2nd-clearest and 12th-windiest month. For the whole year in context, see Copperas Cove's year-round climate.

Daytime high
88°
4th warmest
Overnight low
68°
9th coldest
Rainfall
2.7 in
6.3 wet days
Daylight
12 h 12 min
6:20 AM – 6:32 PM
Cloud cover
42%
2nd clearest
Wind
7 mph
12th windiest
Solar energy
5.2 kWh/m²
Travel score
5.0
out of 10

Copperas Cove is city in Texas, USA.

Density
709/km²
people per km²
Founded
1913

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 91°F in the first days to 85°F by the end.

A typical September day in Copperas Cove reaches about 88°F in the afternoon and slips back to 68°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 95°F. Set against its neighbours, September runs about 6°F cooler than August and about 9°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19272
29172
39172
49172
59171
69071
79071
89071
98971
108970
118970
128970
138869
148869
158869
168869
178768
188768
198768
208767
218767
228667
238666
248666
258665
268665
278565
288564
298564
308564

How September really feels in Copperas Cove

Once humidity and wind are folded in, September averages 13 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
13
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.

Copperas Cove weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan60° / 40°2.26.110.25.2
Feb64° / 43°2.36.710.96.1
Mar70° / 50°3.18.611.86.9
Apr78° / 57°2.98.712.77.1
May84° / 65°4.411.113.65.5
Jun91° / 72°2.78143.9
Jul95° / 74°1.65.613.83.0
Aug94° / 74°1.9613.13.0
Sep88° / 68°2.76.312.25.0
Oct79° / 58°3.67.111.27.3
Nov68° / 48°2.56.510.47.0
Dec61° / 41°2.86.7105.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% 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 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17129
27129
37129
47030
57030
66931
76832
86832
96832
106733
116733
126733
136733
146733
156733
166733
176931
186931
197030
207129
217327
227327
237426
247624
257624
267723
277723
287723
297723
307624

Chance of precipitation in September

Any precipitation

Copperas Cove gets around 2.7 in of rain over 6.3 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 22% and peaks near 24% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
123
223
323
423
524
624
724
824
924
1024
1124
1224
1324
1424
1524
1623
1723
1822
1922
2021
2120
2219
2319
2418
2517
2617
2717
2817
2917
3017

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 52% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
149254320
2410254220
3510254120
4610254020
5610243920
6710243920
789243821
899233821
999223822
10109223822
11118213822
12118203822
13128203822
14139193722
15149193622
16159193622
171610193421
181710193321
191811193220
201912193019
212113192918
222213192817
232414192716
242615192615
252716192514
262816192413
272916192312
283017192311
293117192210
30321719229

Wind in September

Winds average 7 mph in September, the calmest month.

Across September, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307light breeze

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 6:29 AM, and sunset from 6:51 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:116:51
212.66:126:50
312.66:136:49
412.66:136:47
512.56:146:46
612.56:146:45
712.56:156:44
812.46:166:42
912.46:166:41
1012.46:176:40
1112.36:176:38
1212.36:186:37
1312.36:196:36
1412.36:196:34
1512.26:206:33
1612.26:206:32
1712.26:216:30
1812.16:226:29
1912.16:226:27
2012.16:236:26
2112.06:236:25
2212.06:246:23
2312.06:256:22
2411.96:256:21
2511.96:266:19
2611.96:266:18
2711.86:276:17
2811.86:286:16
2911.86:286:14
3011.76:296:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.2 kWh/m².

For context, solar energy here swings from a low near 2.75 kWh/m² to a high of 6.85 kWh/m² in July across the year — September's 5.2 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Is September a good time to visit Copperas Cove?

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

5.0
Sightseeing
9th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Copperas Cove in September

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

In September, Copperas Cove sees daytime highs around 88°F and nights near 68°F. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Copperas Cove in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Copperas Cove peaks around July 19 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 19UV 10Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr9Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Copperas Cove 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 Copperas Cove is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1416 µg/m³Dec 126 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar8Good
Apr9Good
May13Moderate
Jun14Moderate
Jul16Moderate
Aug12Good
Sep9Good
Oct6Good
Nov6Good
Dec6Good
Location & terrain

Where is Copperas Cove?

Copperas Cove sits at 31.1°N, 97.9°W, 1,093 ft above sea level, in United States. The nearest listed city is Fort Cavazos, 7.5 mi away.

Topography around Copperas Cove

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

Within 2 miles, the terrain around Copperas Cove has only modest variations in elevation — a maximum elevation change of 367 ft around an average of 1,093 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 702 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,404 ft.

The land around Copperas Cove is covered by trees (38%), artificial surfaces (31%) and grassland (29%) within 2 miles, grassland (48%) and trees (42%) within 10 miles, and grassland (50%) and trees (37%) within 50 miles.

2 miles
367 ft
10 miles
702 ft
50 miles
1,404 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Fort Cavazos 7.5 mi · Killeen 11 mi · Harker Heights 15 mi · Gatesville 24 mi · Belton 26 mi · Temple 33 mi · Georgetown 37 mi · Leander 38 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 Copperas Cove (31.1241°, -97.9031°, elevation 1,093 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).