Redondo Beach Weather in September
Average highs run from 77°F on September 1 to 75°F on September 30, and lows from 63°F to 60°F. Normal precipitation for the month is 0.12 in.
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
- 76°F
- Average low
- 62°F
- Precipitation
- 0.12 in
- Record high
- 108°FSep 4, 1988
- Record low
- 41°FSep 28, 1934
- Chance of a freeze
- 0%
- Days of 90°F or more
- 0.5
- Daylight
- 12 h 52 min to 11 h 52 min
- Cloud cover
- 19%
- Humidity
- 60%
- Dew point
- 55°F
- Wind
- 5.8 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 | 77°F | 63°F | 100°F 1985 | 53°F 1937 | |
| Sep 2 | 77°F | 63°F | 105°F 1955 | 45°F 2012 | |
| Sep 3 | 77°F | 63°F | 101°F 1945 | 54°F 1946 | |
| Sep 4 | 77°F | 63°F | 108°F 1988 | 44°F 2012 | |
| Sep 5 | 77°F | 63°F | 99°F 2004 | 46°F 1933 | |
| Sep 6 | 77°F | 63°F | 102°F 2020 | 52°F 1937 | |
| Sep 7 | 77°F | 63°F | 102°F 2020 | 53°F 1933 | |
| Sep 8 | 77°F | 63°F | 98°F 1984 | 48°F 1935 | |
| Sep 9 | 77°F | 62°F | 100°F 2022 | 51°F 1935 | |
| Sep 10 | 77°F | 62°F | 95°F 2026 | 48°F 1933 | |
| Sep 11 | 76°F | 62°F | 102°F 1959 | 52°F 1952 | |
| Sep 12 | 76°F | 62°F | 95°F 1971 | 47°F 1954 | |
| Sep 13 | 76°F | 62°F | 96°F 1971 | 49°F 1956 | |
| Sep 14 | 76°F | 62°F | 97°F 1971 | 45°F 1939 | |
| Sep 15 | 76°F | 62°F | 100°F 2012 | 49°F 1939 | |
| Sep 16 | 76°F | 62°F | 98°F 1939 | 49°F 1956 | |
| Sep 17 | 76°F | 62°F | 94°F 1939 | 52°F 1952 | |
| Sep 18 | 76°F | 62°F | 102°F 1939 | 47°F 1933 | |
| Sep 19 | 76°F | 62°F | 103°F 1939 | 50°F 1933 | |
| Sep 20 | 76°F | 62°F | 107°F 1939 | 50°F 1942 | |
| Sep 21 | 76°F | 62°F | 107°F 1939 | 49°F 1944 | |
| Sep 22 | 76°F | 61°F | 105°F 1939 | 43°F 1954 | |
| Sep 23 | 76°F | 61°F | 101°F 1975 | 46°F 1941 | |
| Sep 24 | 76°F | 61°F | 105°F 1978 | 47°F 1941 | |
| Sep 25 | 76°F | 61°F | 103°F 1978 | 48°F 1941 | |
| Sep 26 | 76°F | 61°F | 108°F 1963 | 44°F 1948 | |
| Sep 27 | 75°F | 61°F | 106°F 1963 | 49°F 1934 | |
| Sep 28 | 75°F | 61°F | 101°F 1963 | 41°F 1934 | |
| Sep 29 | 75°F | 60°F | 99°F 1963 | 41°F 1934 | |
| Sep 30 | 75°F | 60°F | 93°F 1965 | 41°F 1936 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:27 AM, sunset 7:19 PM
- September 30
- sunrise 6:47 AM, sunset 6:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047326 (Redondo Beach), public domain. Records: NOAA GHCN-Daily, station USW00003122, 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.