Hesperia weather in September: Hesperia, California: normal highs, lows, rain and records for September

Hesperia in September has a normal high of 91°F and a normal low of 61°F, a daily mean of 76°F, falling from 96°F on the 1st to 86°F by the 30th. The month brings 0.17 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 33°C and low of 16°C, 4 mm of precipitation in September.

  • NOAA stationHesperia (2 mi E)
  • Station IDUSC00043937
  • Location34.42°N 117.27°W
  • Elevation3,055 ft (931 m)
  • Population101,836
  1. Jan 60° 37°
  2. Feb 62° 39°
  3. Mar 69° 42°
  4. Apr 75° 46°
  5. May 82° 53°
  6. Jun 92° 59°
  7. Jul 97° 65°
  8. Aug 97° 65°
  9. Sep 91° 61°
  10. Oct 81° 51°
  11. Nov 67° 42°
  12. Dec 59° 35°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Hesperia in September?

The normal high is 91°F and the normal low 61°F, for a daily mean of 76.2°F. September is 4.8°F cooler than August and 10.3°F warmer than October. September is the 3rd warmest month of the year in Hesperia and the 9th wettest. Across the month the normal high falls 10°F, from 96°F on September 1 to 86°F on September 30.

Hesperia in September, day by day: normal high and low
Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 196°F64°F––
September 894°F63°F––
September 1592°F61°F––
September 2289°F59°F––
September 3086°F57°F––
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Hesperia: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 196°F64°F––13 h
September 295°F64°F––12 h 50 min
September 395°F64°F––12 h 50 min
September 495°F64°F––12 h 50 min
September 595°F64°F––12 h 50 min
September 695°F63°F––12 h 50 min
September 794°F63°F––12 h 40 min
September 894°F63°F––12 h 40 min
September 994°F63°F––12 h 40 min
September 1093°F63°F––12 h 40 min
September 1193°F62°F––12 h 30 min
September 1293°F62°F––12 h 30 min
September 1393°F62°F––12 h 30 min
September 1492°F62°F––12 h 30 min
September 1592°F61°F––12 h 30 min
September 1692°F61°F––12 h 20 min
September 1791°F61°F––12 h 20 min
September 1891°F61°F––12 h 20 min
September 1990°F60°F––12 h 20 min
September 2090°F60°F––12 h 20 min
September 2190°F60°F––12 h 10 min
September 2289°F59°F––12 h 10 min
September 2389°F59°F––12 h 10 min
September 2489°F59°F––12 h 10 min
September 2588°F58°F––12 h 10 min
September 2688°F58°F––12 h
September 2787°F58°F––12 h
September 2887°F57°F––12 h
September 2987°F57°F––12 h
September 3086°F57°F––11 h 50 min
Normal high
91°FSeptember average
Normal low
61°FSeptember average
Precipitation
0.17 inmonth total
Days at 90°F or more
20
Daylight
13 h to 11 h 50 minSeptember 1 to September 30
Days at 70°F or more
30
Days at 80°F or more
28
Sunshine
95%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00043937; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Hesperia in September?

In a normal September in Hesperia, 20 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00043937.

How does September in Hesperia compare across California?

Across the 219 places PlainClimate covers in California, September normal highs run from 64°F in Eureka to 104°F in Brawley; Hesperia's is 91°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places