Bakersfield weather in September

In September, Bakersfield sees average daytime highs of 86°F and overnight lows near 62°F, with 0.0 in of rain across 0.3 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 89°F in the first days to 83°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 Bakersfield's 2nd-clearest and 7th-windiest month. For the whole year in context, see Bakersfield's year-round climate.

Daytime high
86°
4th warmest
Overnight low
62°
9th coldest
Rainfall
0.0 in
0.3 wet days
Daylight
12 h 12 min
5:44 AM – 5:57 PM
Cloud cover
12%
2nd clearest
Wind
3 mph
7th windiest
Solar energy
6.37 kWh/m²
Travel score
6.8
out of 10

Bakersfield is city and county seat of Kern County, California, United States.

Density
960/km²
people per km²
Founded
1869

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 89°F in the first days to 83°F by the end.

A typical September day in Bakersfield reaches about 86°F in the afternoon and slips back to 62°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 94°F. Set against its neighbours, September runs about 5°F cooler than August and about 9°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19066
28966
38965
48965
58965
68965
78864
88864
98864
108764
118763
128763
138763
148662
158662
168662
178662
188561
198561
208561
218561
228560
238460
248460
258460
268459
278359
288359
298358
308258

How September really feels in Bakersfield

Once humidity and wind are folded in, September averages 1 day 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
1
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.

Bakersfield 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
Jan61° / 41°1.97.59.95.5
Feb64° / 44°1.97.810.76.0
Mar68° / 47°1.97.311.76.8
Apr73° / 51°1.14.712.97.9
May80° / 57°0.42.113.88.2
Jun87° / 64°0.10.314.36.4
Jul92° / 69°0.00.214.14.5
Aug92° / 68°0.0013.34.8
Sep86° / 62°0.00.312.26.8
Oct77° / 54°0.42.111.18.7
Nov67° / 46°1.04.710.17.2
Dec60° / 41°1.96.99.75.4

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 6% of September, with mostly cloudy or overcast conditions the remaining 5%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1964
2964
3964
4964
5964
6964
7964
8964
9964
10964
11964
12964
13964
14964
15955
16955
17955
18955
19955
20955
21955
22955
23955
24955
25955
26937
27937
28937
29937
30937

Chance of precipitation in September

Any precipitation

Bakersfield gets around 0.0 in of rain over 0.3 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
242
252
262
272
282
292
302

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 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13440196
23540186
33640186
43739176
53939166
64038165
74238155
84337154
94537144
104637143
114737133
124837132
134937132
145136121
155136121
165136121
175435110
185534110
195534110
205633110
215633110
225732110
235832100
245832100
255931100
265931100
27613090
28613090
29632980
30642880

Wind in September

Winds average 3 mph in September.

Across September, daily wind ranges from about 3 mph on the calmest days to 3 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

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 5:32 AM to 5:55 AM, and sunset from 6:19 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:326:19
212.75:336:18
312.75:346:16
412.75:356:15
512.65:356:13
612.65:366:12
712.65:376:11
812.55:386:09
912.55:386:08
1012.45:396:06
1112.45:406:05
1212.45:416:03
1312.35:426:02
1412.35:426:00
1512.35:435:58
1612.25:445:57
1712.25:455:55
1812.15:455:54
1912.15:465:52
2012.15:475:51
2112.05:485:49
2212.05:485:48
2312.05:495:46
2411.95:505:45
2511.95:515:43
2611.85:525:42
2711.85:525:40
2811.85:535:39
2911.75:545:37
3011.75:555:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.37 kWh/m².

For context, solar energy here swings from a low near 2.76 kWh/m² to a high of 8.45 kWh/m² in June across the year — September's 6.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
17.0Intense
26.9Intense
36.9Intense
46.8Intense
56.8Intense
66.8Intense
76.7Intense
86.7Intense
96.7Intense
106.6Intense
116.6Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.0Intense
246.0Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
Planning a trip in September

Is September a good time to visit Bakersfield?

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

6.8
Sightseeing
5th-best month of the year
9.1
Beach & pool
1st-best month of the year

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

What to pack for Bakersfield in September

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

In September, Bakersfield sees daytime highs around 86°F and nights near 62°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Bakersfield 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 Bakersfield peaks around June 19 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highVery highHighModerateJun 19UV 11Dec 15UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7Very high
May8Very high
Jun11Extreme
Jul10Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Bakersfield 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 Bakersfield is worst in December — around 44 µg/m³ PM2.5 (poor), about 6.1× the cleanest month (June, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodDec 1740 µg/m³Jun 107 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar11Good
Apr9Good
May8Good
Jun7Good
Jul10Good
Aug14Moderate
Sep11Good
Oct11Good
Nov9Good
Dec44Poor
Location & terrain

Where is Bakersfield?

Bakersfield sits at 35.4°N, 119.0°W, 404 ft above sea level, in United States. The nearest listed city is Oildale, 3.1 mi away.

Topography around Bakersfield

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

Within 2 miles, the terrain around Bakersfield has only modest variations in elevation — a maximum elevation change of 141 ft around an average of 407 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 991 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,009 ft.

The land around Bakersfield is covered by artificial surfaces (83%) within 2 miles, artificial surfaces (33%) and grassland (29%) within 10 miles, and grassland (55%) and trees (21%) within 50 miles.

2 miles
141 ft
10 miles
991 ft
50 miles
9,009 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Oildale 3.1 mi · Lamont 9.9 mi · Arvin 16 mi · Shafter 17 mi · Wasco 24 mi · Delano 30 mi · Porterville 48 mi · Corcoran 58 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 Bakersfield (35.3733°, -119.0187°, elevation 404 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).