September weather in Berkeley, CA
The average temperature in Berkeley in September is 64.9°F (53.6°F–76.3°F). Average precipitation: 0.12 inches.
September is a fall month in Berkeley, and is warmer than the annual average of 58.4°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 12h 14m. For travel, September is one of the best months of the year to visit.
Avg High
76.3°F
Avg Low
53.6°F
Precipitation
0.12 in
Daylight
12h 14m
September records in Berkeley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (1952) | 48.0°F (1910) | 0.34 in (2000) |
| September 2 | 105.1°F (2017) | 46.9°F (2012) | 0.09 in (1912) |
| September 3 | 105.1°F (2017) | 48.0°F (1912) | 0.05 in (1940) |
| September 4 | 99.0°F (2022) | 48.0°F (2012) | 0.00 in (1893) |
| September 5 | 106.0°F (2022) | 46.0°F (1965) | 0.47 in (1912) |
| September 6 | 97.0°F (2004) | 50.0°F (1905) | 0.90 in (1912) |
| September 7 | 104.0°F (2020) | 48.9°F (2011) | 0.16 in (1919) |
| September 8 | 98.1°F (1984) | 48.9°F (1914) | 0.33 in (1985) |
| September 9 | 99.0°F (2015) | 48.0°F (1920) | 0.70 in (1978) |
| September 10 | 93.9°F (1914) | 48.9°F (1985) | 0.16 in (1895) |
| September 11 | 99.0°F (1979) | 48.9°F (2006) | 0.35 in (1893) |
| September 12 | 95.0°F (1979) | 48.0°F (2007) | 2.07 in (1918) |
| September 13 | 97.0°F (1971) | 48.0°F (1910) | 1.41 in (1918) |
| September 14 | 102.9°F (1971) | 46.0°F (1916) | 0.06 in (1910) |
| September 15 | 98.1°F (1913) | 46.0°F (2006) | 0.09 in (1908) |
| September 16 | 106.0°F (1913) | 46.9°F (2006) | 0.74 in (1989) |
| September 17 | 91.9°F (1923) | 42.1°F (1966) | 0.22 in (1986) |
| September 18 | 100.9°F (1912) | 44.1°F (2008) | 2.52 in (1959) |
| September 19 | 100.9°F (1919) | 46.9°F (1916) | 1.02 in (1977) |
| September 20 | 95.0°F (1928) | 46.0°F (2007) | 0.54 in (1973) |
| September 21 | 98.1°F (1939) | 48.0°F (1965) | 0.61 in (2013) |
| September 22 | 99.0°F (2003) | 45.0°F (1915) | 0.50 in (1896) |
| September 23 | 93.9°F (1939) | 48.0°F (1960) | 1.04 in (1901) |
| September 24 | 93.9°F (1954) | 48.0°F (1901) | 0.57 in (1986) |
| September 25 | 93.9°F (2019) | 46.9°F (1920) | 0.49 in (1982) |
| September 26 | 100.0°F (2019) | 48.0°F (1923) | 0.72 in (1972) |
| September 27 | 98.1°F (1921) | 37.9°F (1916) | 1.48 in (1957) |
| September 28 | 98.1°F (2010) | 46.0°F (1905) | 0.40 in (1962) |
| September 29 | 97.0°F (2020) | 44.1°F (2019) | 0.51 in (1919) |
| September 30 | 93.0°F (1980) | 46.0°F (1919) | 1.61 in (1894) |