Cedar Hill weather in September

In September, Cedar Hill sees average daytime highs of 88°F and overnight lows near 69°F, with 2.4 in of rain across 6.2 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 91°F in the first days to 84°F by the end. The sky is clear or mostly clear about 56% 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 Cedar Hill's 1st-clearest and 11th-windiest month. For the whole year in context, see Cedar Hill's year-round climate.

Daytime high
88°
4th warmest
Overnight low
69°
9th coldest
Rainfall
2.4 in
6.2 wet days
Daylight
12 h 12 min
6:16 AM – 6:28 PM
Cloud cover
41%
1st clearest
Wind
7 mph
11th windiest
Solar energy
5.18 kWh/m²
Travel score
5.1
out of 10

Cedar Hill is city in Dallas and Ellis counties in Texas, United States.

Density
521/km²
people per km²
Founded
1846

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 84°F by the end.

A typical September day in Cedar Hill reaches about 88°F in the afternoon and slips back to 69°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 95°F. Set against its neighbours, September runs about 6°F cooler than August and about 10°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19273
29173
39173
49173
59172
69072
79072
89071
98971
108971
118971
128870
138870
148870
158869
168769
178769
188768
198768
208768
218667
228667
238666
248666
258566
268565
278565
288564
298464
308464

How September really feels in Cedar Hill

Once humidity and wind are folded in, September averages 12 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
12
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.

Cedar Hill 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
Jan57° / 38°2.76.710.14.4
Feb61° / 42°2.97.310.85.3
Mar68° / 49°3.79.111.86.5
Apr75° / 56°4.18.612.87.2
May83° / 65°4.710.613.75.9
Jun90° / 73°3.38.614.14.1
Jul94° / 76°1.66.313.93.0
Aug94° / 76°2.25.713.23.1
Sep88° / 69°2.46.212.25.1
Oct78° / 58°4.07.611.27.3
Nov67° / 48°3.36.910.36.8
Dec58° / 40°3.46.59.94.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% 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 (%)
17228
27228
37129
47129
57030
67030
76832
86832
96832
106733
116634
126634
136634
146634
156634
166733
176733
186832
196931
207030
217228
227327
237426
247525
257624
267723
277723
287723
297723
307723

Chance of precipitation in September

Any precipitation

Cedar Hill gets around 2.4 in of rain over 6.2 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 21% and peaks near 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
122
223
323
423
524
624
724
825
925
1025
1125
1225
1325
1425
1524
1624
1723
1822
1921
2020
2119
2218
2317
2417
2516
2615
2715
2815
2915
3016

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 51% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1410194126
2510193926
3610193826
4710203725
5811203625
6910203625
7910203625
81010203525
91110203524
101110193524
111210193524
121310193524
131310193423
141410193423
151510193422
161610193321
171711193321
181811193220
191912193119
202112193018
212313182917
222514182816
232614182615
242815182514
253015182413
263216182312
273316182211
283516182110
293616182010
30371618199

Wind in September

Winds average 7 mph in September.

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 6:06 AM to 6:26 AM, and sunset from 6:49 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:066:49
212.76:076:47
312.66:086:46
412.66:086:45
512.66:096:43
612.56:106:42
712.56:106:41
812.56:116:39
912.46:126:38
1012.46:126:36
1112.46:136:35
1212.36:146:34
1312.36:146:32
1412.36:156:31
1512.26:166:29
1612.26:166:28
1712.26:176:27
1812.16:186:25
1912.16:186:24
2012.16:196:22
2112.06:206:21
2212.06:206:20
2312.06:216:18
2411.96:226:17
2511.96:226:15
2611.96:236:14
2711.86:246:13
2811.86:246:11
2911.86:256:10
3011.76:266:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.18 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.83 kWh/m² in July across the year — September's 5.18 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Cedar Hill?

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

5.1
Sightseeing
7th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Cedar Hill in September

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

In September, Cedar Hill sees daytime highs around 88°F and nights near 69°F. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Cedar Hill 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 Cedar Hill peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 21UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar6High
Apr9Very high
May10Very high
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Cedar Hill 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 Cedar Hill is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1519 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr11Good
May15Moderate
Jun17Moderate
Jul19Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Cedar Hill?

Cedar Hill sits at 32.6°N, 97.0°W, 830 ft above sea level, in United States. The nearest listed city is Duncanville, 5.0 mi away.

Topography around Cedar Hill

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

Within 2 miles, the terrain around Cedar Hill has only modest variations in elevation — a maximum elevation change of 266 ft around an average of 784 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 486 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 978 ft.

The land around Cedar Hill is covered by trees (50%) and artificial surfaces (34%) within 2 miles, trees (32%), grassland (31%) and artificial surfaces (27%) within 10 miles, and grassland (47%) and trees (25%) within 50 miles.

2 miles
266 ft
10 miles
486 ft
50 miles
978 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Duncanville 5.0 mi · DeSoto 5.6 mi · Midlothian 7.5 mi · Mansfield 11 mi · Grand Prairie 11 mi · Lancaster 12 mi · Arlington 14 mi · Waxahachie 16 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 Cedar Hill (32.5885°, -96.9561°, elevation 830 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).