Mesquite weather in September

In September, Mesquite sees average daytime highs of 88°F and overnight lows near 66°F, with 0.8 in of rain across 2.4 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 92°F in the first days to 84°F by the end. The sky is clear or mostly clear about 80% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Mesquite's 2nd-clearest and 7th-windiest month. For the whole year in context, see Mesquite's year-round climate.

Daytime high
88°
4th warmest
Overnight low
66°
9th coldest
Rainfall
0.8 in
2.4 wet days
Daylight
12 h 12 min
5:24 AM – 5:38 PM
Cloud cover
19%
2nd clearest
Wind
5 mph
7th windiest
Solar energy
6.16 kWh/m²
Travel score
5.6
out of 10

Mesquite is city in Clark County, Nevada, United States.

Density
209/km²
people per km²
Founded
1880

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 92°F in the first days to 84°F by the end.

A typical September day in Mesquite reaches about 88°F in the afternoon and slips back to 66°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 96°F. Set against its neighbours, September runs about 8°F cooler than August and about 13°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19372
29371
39271
49271
59270
69270
79169
89169
99168
109068
119068
128967
138967
148966
158966
168865
178865
188865
198764
208764
218764
228763
238663
248663
258562
268562
278562
288461
298461
308360

How September really feels in Mesquite

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.

Mesquite 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 daysSnow daysDaylight (hours)Travel score
Jan53° / 34°1.550.89.83.4
Feb57° / 38°1.85.70.910.64.6
Mar65° / 44°1.25.10.411.76.8
Apr72° / 50°0.52.60.212.98.2
May82° / 60°0.31.8013.97.6
Jun93° / 69°0.10.6014.54.2
Jul98° / 76°0.42.5014.32.2
Aug96° / 74°0.52.8013.42.8
Sep88° / 66°0.82.4012.25.6
Oct75° / 53°1.02.90118.4
Nov61° / 41°0.82.80.2106.4
Dec51° / 33°1.24.71.19.53.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 80% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28812
38812
48713
58713
68713
78812
88812
98812
108911
118911
129010
139010
149010
15919
16919
17919
18928
19937
20937
21937
22937
23937
24937
25928
26928
27919
28919
29919
308911

Chance of precipitation in September

Any precipitation

Mesquite gets around 0.8 in of rain over 2.4 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 8% and peaks near 12% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
110
211
311
411
511
612
711
811
911
1011
1110
1210
139
148
158
167
177
186
196
205
215
225
235
245
255
266
276
287
297
307

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
18785
28686
38686
48686
58686
68686
78785
88785
98875
108875
118974
128974
138974
149163
159163
169352
179352
189451
199541
209541
219631
229631
239730
249820
259820
269820
279820
289820
299820
309910

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 5 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
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 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 66 minutes over September. Sunrise moves from 5:11 AM to 5:36 AM, and sunset from 6:01 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:116:01
212.85:125:59
312.75:135:58
412.75:145:56
512.75:155:55
612.65:155:53
712.65:165:52
812.65:175:50
912.55:185:49
1012.55:195:47
1112.45:205:45
1212.45:205:44
1312.45:215:42
1412.35:225:41
1512.35:235:39
1612.25:245:38
1712.25:245:36
1812.25:255:34
1912.15:265:33
2012.15:275:31
2112.05:285:30
2212.05:295:28
2311.95:305:27
2411.95:305:25
2511.95:315:23
2611.85:325:22
2711.85:335:20
2811.75:345:19
2911.75:355:17
3011.75:365:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.16 kWh/m².

For context, solar energy here swings from a low near 2.77 kWh/m² to a high of 8.54 kWh/m² in June across the year — September's 6.16 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.6Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Mesquite?

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

5.6
Sightseeing
6th-best month of the year
8.3
Beach & pool
2nd-best month of the year

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

What to pack for Mesquite in September

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

In September, Mesquite sees daytime highs around 88°F and nights near 66°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Mesquite 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 Mesquite peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 13UV 11Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr6High
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate
Location & terrain

Where is Mesquite?

Mesquite sits at 36.8°N, 114.1°W, 1,601 ft above sea level, in United States. The nearest listed city is Saint George, 34 mi away.

Topography around Mesquite

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

Within 2 miles, the terrain around Mesquite has only modest variations in elevation — a maximum elevation change of 381 ft around an average of 1,680 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,194 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,232 ft.

The land around Mesquite is covered by bare terrain (45%) and artificial surfaces (26%) within 2 miles, bare terrain (53%) and shrubs (34%) within 10 miles, and bare terrain (38%) and shrubs (34%) within 50 miles.

2 miles
381 ft
10 miles
5,194 ft
50 miles
9,232 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Saint George 34 mi · Washington 38 mi · Hurricane 50 mi · Sunrise Manor 70 mi · Boulder City 71 mi · North Las Vegas 72 mi · Whitney 73 mi · Henderson 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 Mesquite (36.8055°, -114.0672°, elevation 1,601 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).