September weather in Pismo Beach, CA
The average temperature in Pismo Beach in September is 62.7°F (53.6°F–71.9°F). Average precipitation: 0.08 inches.
September is a fall month in Pismo Beach, and is warmer than the annual average of 59.1°F. Daily temperatures swing about 18.3°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 12h 12m. For travel, September is one of the best months of the year to visit.
Avg High
71.9°F
Avg Low
53.6°F
Precipitation
0.08 in
Daylight
12h 12m
September records in Pismo Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1984) | 46.9°F (1964) | 0.04 in (1964) |
| September 2 | 88.0°F (1984) | 46.9°F (1975) | 0.00 in (1949) |
| September 3 | 102.9°F (1982) | 42.1°F (1999) | 0.00 in (1949) |
| September 4 | 91.0°F (1961) | 46.0°F (1963) | 1.23 in (1978) |
| September 5 | 87.1°F (2000) | 39.0°F (1988) | 0.07 in (1998) |
| September 6 | 91.9°F (1958) | 37.9°F (1988) | 0.08 in (1969) |
| September 7 | 93.0°F (1958) | 42.1°F (1987) | 0.89 in (1958) |
| September 8 | 89.1°F (1984) | 45.0°F (1964) | 0.04 in (1985) |
| September 9 | 99.0°F (1979) | 43.0°F (1964) | 0.00 in (1949) |
| September 10 | 99.0°F (1979) | 42.1°F (1964) | 0.00 in (1949) |
| September 11 | 90.0°F (1984) | 41.0°F (1963) | 0.01 in (2001) |
| September 12 | 84.0°F (1983) | 35.1°F (1988) | 0.01 in (2000) |
| September 13 | 88.0°F (1976) | 35.1°F (1988) | 0.03 in (1996) |
| September 14 | 93.9°F (1958) | 42.1°F (1970) | 0.00 in (1949) |
| September 15 | 93.0°F (1958) | 45.0°F (1986) | 0.02 in (1969) |
| September 16 | 91.9°F (1966) | 45.0°F (1986) | 0.15 in (1982) |
| September 17 | 84.9°F (2002) | 44.1°F (1986) | 0.32 in (1989) |
| September 18 | 90.0°F (1996) | 45.0°F (1986) | 0.13 in (1963) |
| September 19 | 84.9°F (1979) | 45.0°F (1986) | 0.78 in (1959) |
| September 20 | 88.0°F (1950) | 30.0°F (1988) | 0.03 in (1995) |
| September 21 | 91.9°F (1956) | 43.0°F (1986) | 0.16 in (1967) |
| September 22 | 91.9°F (1978) | 43.0°F (1989) | 0.78 in (1990) |
| September 23 | 91.9°F (1954) | 41.0°F (1952) | 0.54 in (1958) |
| September 24 | 98.1°F (1968) | 44.1°F (1986) | 0.03 in (1982) |
| September 25 | 99.0°F (1978) | 42.1°F (1986) | 0.31 in (1982) |
| September 26 | 95.0°F (1978) | 32.0°F (1988) | 0.14 in (2005) |
| September 27 | 97.0°F (1950) | 43.0°F (1986) | 0.00 in (1949) |
| September 28 | 100.0°F (1966) | 43.0°F (1964) | 0.99 in (1976) |
| September 29 | 95.0°F (1956) | 37.9°F (1985) | 1.60 in (1976) |
| September 30 | 88.0°F (1986) | 39.9°F (1982) | 1.61 in (1976) |