September weather in Holtville, CA
The average temperature in Holtville in September is °F (°F–°F). Average precipitation: 0.19 inches.
September is a fall month in Holtville, and is cooler than the annual average of 0°F. Expect about 1 days with precipitation. Daylight averages about 12h 11m.
Avg High
°F
Avg Low
°F
Precipitation
0.19 in
Daylight
12h 11m
September records in Holtville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 109.9°F (1916) | 64.9°F (1920) | 0.07 in (1967) |
| September 2 | 108.0°F (1908) | 64.0°F (1912) | 1.36 in (1967) |
| September 3 | 106.0°F (1908) | 61.0°F (1921) | 0.02 in (1924) |
| September 4 | 108.0°F (1914) | 61.0°F (1912) | 0.13 in (1960) |
| September 5 | 108.0°F (1923) | 55.0°F (1912) | 0.00 in (1905) |
| September 6 | 109.0°F (1923) | 57.9°F (1911) | 1.20 in (1969) |
| September 7 | 107.1°F (1923) | 57.0°F (1920) | 0.93 in (1975) |
| September 8 | 106.0°F (1907) | 57.0°F (1920) | 0.38 in (1949) |
| September 9 | 104.0°F (1907) | 53.1°F (1920) | 0.13 in (1923) |
| September 10 | 109.0°F (1922) | 54.0°F (1920) | 2.29 in (1976) |
| September 11 | 107.1°F (1913) | 55.0°F (1920) | 0.06 in (2008) |
| September 12 | 107.1°F (1922) | 57.9°F (1925) | 0.83 in (1969) |
| September 13 | 108.0°F (1908) | 60.1°F (1925) | 0.52 in (1910) |
| September 14 | 109.0°F (1922) | 54.0°F (1914) | 0.25 in (1913) |
| September 15 | 113.0°F (1922) | 55.0°F (1915) | 1.20 in (1920) |
| September 16 | 109.0°F (1922) | 57.9°F (1915) | 0.14 in (1982) |
| September 17 | 107.1°F (1922) | 55.9°F (1908) | 0.12 in (1963) |
| September 18 | 108.0°F (1922) | 57.9°F (1921) | 0.86 in (1963) |
| September 19 | 108.0°F (1912) | 57.9°F (1907) | 0.20 in (2005) |
| September 20 | 106.0°F (1913) | 48.0°F (1924) | 0.00 in (1905) |
| September 21 | 107.1°F (1915) | 54.0°F (1925) | 0.08 in (1974) |
| September 22 | 109.0°F (1915) | 55.0°F (1925) | 0.10 in (1905) |
| September 23 | 108.0°F (1915) | 51.1°F (1923) | 0.10 in (1983) |
| September 24 | 106.0°F (1921) | 51.1°F (1923) | 1.10 in (1997) |
| September 25 | 109.0°F (1921) | 55.0°F (1924) | 1.20 in (1997) |
| September 26 | 104.0°F (1921) | 52.0°F (1915) | 0.32 in (1943) |
| September 27 | 105.1°F (1921) | 52.0°F (1915) | 0.96 in (1985) |
| September 28 | 104.0°F (1917) | 52.0°F (1925) | 0.20 in (1985) |
| September 29 | 105.1°F (1917) | 52.0°F (1925) | 0.63 in (1971) |
| September 30 | 102.9°F (1917) | 50.0°F (1905) | 0.85 in (1921) |