Phelan Weather in September
Average highs run from 79°F on September 1 to 70°F on September 30, and lows from 49°F to 42°F. Normal precipitation for the month is 0.38 in over about 2 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
- 75°F
- Average low
- 46°F
- Precipitation
- 0.38 in
- Record high
- 113°FSep 6, 2008
- Record low
- 30°FSep 27, 1939
- Chance of a freeze
- 17%
- Daylight
- 12 h 52 min to 11 h 52 min
- Cloud cover
- 16%
- Humidity
- 33%
- Dew point
- 38°F
- Wind
- 6.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Sep 1 | 79°F | 49°F | 107°F 1996 | 42°F 1941 | 8% | 0% |
| Sep 2 | 79°F | 49°F | 107°F 1976 | 42°F 1964 | 8% | 0% |
| Sep 3 | 79°F | 49°F | 110°F 2007 | 42°F 1944 | 8% | 0% |
| Sep 4 | 79°F | 49°F | 107°F 2007 | 41°F 1942 | 7% | 0% |
| Sep 5 | 78°F | 49°F | 109°F 2020 | 40°F 1942 | 7% | 0% |
| Sep 6 | 78°F | 49°F | 113°F 2008 | 34°F 1942 | 7% | 0% |
| Sep 7 | 78°F | 49°F | 109°F 2020 | 43°F 1942 | 7% | 0% |
| Sep 8 | 78°F | 48°F | 106°F 1955 | 43°F 1941 | 7% | 0% |
| Sep 9 | 77°F | 48°F | 111°F 2008 | 39°F 1941 | 7% | 0% |
| Sep 10 | 77°F | 48°F | 105°F 1993 | 40°F 1918 | 6% | 0% |
| Sep 11 | 77°F | 48°F | 106°F 1993 | 42°F 1942 | 6% | 0% |
| Sep 12 | 76°F | 47°F | 106°F 1990 | 40°F 1952 | 6% | 0% |
| Sep 13 | 76°F | 47°F | 106°F 1971 | 41°F 1952 | 6% | 0% |
| Sep 14 | 76°F | 47°F | 108°F 1971 | 37°F 1939 | 6% | 0% |
| Sep 15 | 75°F | 47°F | 108°F 2007 | 39°F 1941 | 5% | 0% |
| Sep 16 | 75°F | 46°F | 105°F 2007 | 38°F 1941 | 5% | 0% |
| Sep 17 | 75°F | 46°F | 106°F 2000 | 42°F 1942 | 5% | 0% |
| Sep 18 | 74°F | 46°F | 104°F 2000 | 36°F 1942 | 5% | 0% |
| Sep 19 | 74°F | 46°F | 102°F 1918 | 35°F 1942 | 5% | 0% |
| Sep 20 | 74°F | 45°F | 104°F 2000 | 34°F 1918 | 5% | 0% |
| Sep 21 | 73°F | 45°F | 104°F 2000 | 38°F 1941 | 4% | 0% |
| Sep 22 | 73°F | 45°F | 102°F 1949 | 34°F 1944 | 4% | 0% |
| Sep 23 | 73°F | 44°F | 102°F 1949 | 34°F 1941 | 4% | 0% |
| Sep 24 | 72°F | 44°F | 104°F 2003 | 34°F 1918 | 4% | 0% |
| Sep 25 | 72°F | 44°F | 103°F 2001 | 34°F 1939 | 4% | 0% |
| Sep 26 | 71°F | 43°F | 101°F 2008 | 32°F 1948 | 4% | 0% |
| Sep 27 | 71°F | 43°F | 102°F 2003 | 30°F 1939 | 4% | 0% |
| Sep 28 | 71°F | 43°F | 104°F 2003 | 32°F 1939 | 4% | 0% |
| Sep 29 | 70°F | 42°F | 100°F 1992 | 34°F 1939 | 5% | 0% |
| Sep 30 | 70°F | 42°F | 99°F 1963 | 34°F 1982 | 5% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:24 AM, sunset 7:16 PM
- September 30
- sunrise 6:44 AM, sunset 6:36 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00049822 (Wrightwood), public domain. Records: NOAA GHCN-Daily, station USC00049325, 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.