Coalinga weather in September

In September, Coalinga sees average daytime highs of 89°F and overnight lows near 64°F, with 0.1 in of rain across 0.5 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 92°F in the first days to 85°F by the end. The sky is clear or mostly clear about 89% 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 Coalinga's 3rd-clearest and 8th-windiest month. For the whole year in context, see Coalinga's year-round climate.

Daytime high
89°
4th warmest
Overnight low
64°
9th coldest
Rainfall
0.1 in
0.5 wet days
Daylight
12 h 12 min
5:49 AM – 6:03 PM
Cloud cover
12%
3rd clearest
Wind
4 mph
8th windiest
Solar energy
6.26 kWh/m²
Travel score
5.8
out of 10

Coalinga is city in Fresno County, California, United States.

Density
955/km²
people per km²
Founded
1906

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 85°F by the end.

A typical September day in Coalinga reaches about 89°F in the afternoon and slips back to 64°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 97°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)
19267
29267
39267
49267
59167
69166
79166
89166
99066
109065
119065
128965
138965
148964
158964
168864
178864
188864
198863
208763
218763
228763
238762
248662
258662
268662
278562
288561
298561
308461

How September really feels in Coalinga

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.

Coalinga 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
Jan60° / 42°2.26.79.85.2
Feb63° / 44°2.17.610.65.9
Mar68° / 48°1.96.811.77.0
Apr75° / 52°0.8412.98.1
May83° / 58°0.52.413.97.3
Jun91° / 65°0.10.614.44.8
Jul96° / 70°0.00.314.23.2
Aug94° / 69°0.00.313.43.7
Sep89° / 64°0.10.512.25.8
Oct79° / 56°0.52.111.18.5
Nov67° / 47°0.73.510.17.4
Dec59° / 42°1.66.19.65.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 5% of September, with mostly cloudy or overcast conditions the remaining 6%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1973
2973
3973
4964
5964
6964
7964
8964
9964
10955
11955
12955
13955
14955
15955
16946
17946
18946
19937
20937
21937
22928
23928
24919
25919
26919
27919
28919
299010
309010

Chance of precipitation in September

Any precipitation

Coalinga gets around 0.1 in of rain over 0.5 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
122
132
142
152
162
172
182
192
202
212
222
232
242
252
263
273
283
293
303

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1861121
2861121
3871021
4871021
5871021
688921
788921
889821
989821
1090721
1192710
1292710
1392710
1492710
1592710
1693700
1793700
1893700
1993700
2093700
2193700
2293700
2393700
2493700
2593700
2693700
2793700
2893700
2994600
3094600

Wind in September

Winds average 4 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:37 AM to 6:00 AM, and sunset from 6:25 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:376:25
212.85:386:24
312.75:396:22
412.75:396:21
512.75:406:19
612.65:416:18
712.65:426:16
812.55:436:15
912.55:436:13
1012.55:446:12
1112.45:456:10
1212.45:466:09
1312.35:476:07
1412.35:476:06
1512.35:486:04
1612.25:496:03
1712.25:506:01
1812.15:515:59
1912.15:515:58
2012.15:525:56
2112.05:535:55
2212.05:545:53
2312.05:555:52
2411.95:555:50
2511.95:565:49
2611.85:575:47
2711.85:585:46
2811.85:595:44
2911.76:005:43
3011.76:005:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.26 kWh/m².

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 8.35 kWh/m² in June across the year — September's 6.26 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.8Intense
46.8Intense
56.8Intense
66.7Intense
76.7Intense
86.6Intense
96.6Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.1Intense
206.0Intense
216.0Intense
226.0Bright
235.9Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.6Bright
295.6Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Coalinga?

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

5.8
Sightseeing
7th-best month of the year
8.8
Beach & pool
1st-best month of the year

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

What to pack for Coalinga in September

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

In September, Coalinga sees daytime highs around 89°F and nights near 64°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Coalinga 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 Coalinga peaks around June 19 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeExtremeVery highHighModerateJun 19UV 11Dec 14UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Coalinga 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 Coalinga is worst in July — around 17 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (June, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 2317 µg/m³Jun 106 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar14Moderate
Apr9Good
May7Good
Jun6Good
Jul17Moderate
Aug16Moderate
Sep14Moderate
Oct12Good
Nov12Moderate
Dec11Good
Location & terrain

Where is Coalinga?

Coalinga sits at 36.1°N, 120.4°W, 673 ft above sea level, in United States. The nearest listed city is Lemoore, 34 mi away.

Topography around Coalinga

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

Within 2 miles, the terrain around Coalinga has only modest variations in elevation — a maximum elevation change of 440 ft around an average of 699 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,491 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,092 ft.

The land around Coalinga is covered by grassland (53%) and bare terrain (20%) within 2 miles, grassland (80%) within 10 miles, and grassland (58%) and cropland (20%) within 50 miles.

2 miles
440 ft
10 miles
3,491 ft
50 miles
5,092 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Lemoore 34 mi · Paso Robles 40 mi · Hanford 42 mi · Corcoran 45 mi · Atascadero 48 mi · Greenfield 51 mi · Selma 51 mi · Fresno 53 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 Coalinga (36.1397°, -120.3602°, elevation 673 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).