Blythe Weather in September
Average highs run from 108°F on September 1 to 98°F on September 30, and lows from 77°F to 64°F. Normal precipitation for the month is 0.38 in over about 1 wet days.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 104°F
- Average low
- 71°F
- Precipitation
- 0.38 in
- Record high
- 121°FSep 1, 1950
- Record low
- 53°FSep 20, 1971
- Chance of a freeze
- 0%
- Days of 90°F or more
- 29.6
- Daylight
- 12 h 52 min to 11 h 52 min
- Cloud cover
- 23%
- Humidity
- 30%
- Dew point
- 47°F
- Wind
- 7.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 108°F | 77°F | 121°F 1950 | 64°F 1966 | 4% |
| Sep 2 | 108°F | 77°F | 118°F 1948 | 64°F 2000 | 4% |
| Sep 3 | 108°F | 76°F | 118°F 1948 | 65°F 1964 | 4% |
| Sep 4 | 107°F | 76°F | 115°F 1948 | 61°F 1985 | 4% |
| Sep 5 | 107°F | 76°F | 120°F 2020 | 59°F 1976 | 4% |
| Sep 6 | 107°F | 75°F | 118°F 2020 | 66°F 1992 | 4% |
| Sep 7 | 107°F | 75°F | 114°F 2024 | 60°F 1985 | 4% |
| Sep 8 | 107°F | 75°F | 116°F 1979 | 65°F 2010 | 4% |
| Sep 9 | 106°F | 74°F | 114°F 1993 | 62°F 1961 | 4% |
| Sep 10 | 106°F | 74°F | 114°F 1990 | 63°F 2005 | 4% |
| Sep 11 | 106°F | 74°F | 115°F 1990 | 61°F 1985 | 4% |
| Sep 12 | 106°F | 73°F | 113°F 1971 | 59°F 1985 | 3% |
| Sep 13 | 105°F | 73°F | 113°F 2021 | 58°F 1985 | 3% |
| Sep 14 | 105°F | 72°F | 113°F 1971 | 60°F 1985 | 3% |
| Sep 15 | 105°F | 72°F | 113°F 2000 | 60°F 2016 | 3% |
| Sep 16 | 104°F | 71°F | 112°F 2020 | 61°F 1970 | 3% |
| Sep 17 | 104°F | 71°F | 112°F 1962 | 61°F 1977 | 3% |
| Sep 18 | 103°F | 70°F | 111°F 1962 | 57°F 1985 | 3% |
| Sep 19 | 103°F | 70°F | 113°F 1962 | 56°F 1985 | 3% |
| Sep 20 | 103°F | 69°F | 108°F 1949 | 53°F 1971 | 3% |
| Sep 21 | 102°F | 69°F | 108°F 1949 | 59°F 1965 | 2% |
| Sep 22 | 102°F | 68°F | 110°F 1966 | 55°F 1988 | 2% |
| Sep 23 | 101°F | 68°F | 111°F 1966 | 56°F 2007 | 2% |
| Sep 24 | 101°F | 67°F | 109°F 2002 | 54°F 1986 | 2% |
| Sep 25 | 100°F | 66°F | 110°F 1963 | 59°F 1986 | 2% |
| Sep 26 | 100°F | 66°F | 110°F 2010 | 53°F 1971 | 2% |
| Sep 27 | 99°F | 65°F | 111°F 2024 | 54°F 1971 | 2% |
| Sep 28 | 99°F | 65°F | 113°F 2024 | 55°F 1971 | 2% |
| Sep 29 | 98°F | 64°F | 110°F 1980 | 56°F 2013 | 2% |
| Sep 30 | 98°F | 64°F | 109°F 1980 | 55°F 1986 | 2% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:12 AM, sunset 7:04 PM
- September 30
- sunrise 6:32 AM, sunset 6:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00040924 (Blythe), public domain. Records: NOAA GHCN-Daily, station USW00023158, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.