September weather in Cloverdale, CA
The average temperature in Cloverdale in September is 71.7°F (53.6°F–89.8°F). Average precipitation: 0.13 inches.
September is a fall month in Cloverdale, and is warmer than the annual average of 61.8°F. Daily temperatures swing about 36.2°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 12h 14m. For travel, September is hot.
Avg High
89.8°F
Avg Low
53.6°F
Precipitation
0.13 in
Daylight
12h 14m
September records in Cloverdale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 114.1°F (2017) | 45.0°F (2012) | 0.47 in (1983) |
| September 2 | 115.0°F (2017) | 45.0°F (1964) | 0.15 in (2023) |
| September 3 | 109.9°F (2017) | 45.0°F (1965) | 0.10 in (2023) |
| September 4 | 106.0°F (1983) | 46.0°F (1973) | 0.00 in (1956) |
| September 5 | 109.9°F (1988) | 44.1°F (1964) | 0.05 in (1978) |
| September 6 | 111.0°F (2022) | 45.0°F (1964) | 0.51 in (1978) |
| September 7 | 116.1°F (2022) | 46.9°F (1961) | 0.17 in (1985) |
| September 8 | 111.0°F (2020) | 44.1°F (1960) | 0.97 in (1985) |
| September 9 | 109.9°F (2022) | 45.0°F (1964) | 0.03 in (1978) |
| September 10 | 105.1°F (2015) | 43.0°F (1964) | 1.58 in (1978) |
| September 11 | 107.1°F (2015) | 44.1°F (1964) | 0.60 in (2025) |
| September 12 | 107.1°F (1983) | 44.1°F (1964) | 0.01 in (1994) |
| September 13 | 109.0°F (1971) | 42.1°F (1964) | 0.07 in (1994) |
| September 14 | 113.0°F (1971) | 39.0°F (1970) | 0.35 in (1997) |
| September 15 | 111.9°F (1971) | 44.1°F (1970) | 0.19 in (1996) |
| September 16 | 109.9°F (1971) | 45.0°F (1972) | 0.64 in (2015) |
| September 17 | 105.1°F (1984) | 45.0°F (1960) | 1.27 in (1989) |
| September 18 | 107.1°F (2000) | 43.0°F (1972) | 3.17 in (1959) |
| September 19 | 107.1°F (2000) | 44.1°F (1960) | 1.52 in (1977) |
| September 20 | 100.9°F (2003) | 43.0°F (1965) | 0.36 in (1973) |
| September 21 | 105.1°F (2003) | 43.0°F (1965) | 0.35 in (2013) |
| September 22 | 106.0°F (2003) | 43.0°F (1965) | 0.09 in (2007) |
| September 23 | 102.0°F (1964) | 42.1°F (1960) | 0.52 in (1973) |
| September 24 | 104.0°F (1964) | 44.1°F (1960) | 0.38 in (1986) |
| September 25 | 107.1°F (1964) | 43.0°F (1986) | 0.38 in (1981) |
| September 26 | 106.0°F (2009) | 43.0°F (1986) | 0.69 in (1972) |
| September 27 | 105.1°F (2010) | 41.0°F (2019) | 3.60 in (1957) |
| September 28 | 106.0°F (2010) | 37.9°F (2019) | 0.90 in (2019) |
| September 29 | 102.0°F (1966) | 42.1°F (1964) | 0.72 in (1977) |
| September 30 | 107.1°F (1966) | 42.1°F (1971) | 0.37 in (1983) |