September weather in Boulder City, NV
The average temperature in Boulder City in September is °F (°F–°F). Average precipitation: 0.24 inches.
September is a fall month in Boulder City, and is cooler than the annual average of 0°F. Expect about 2 days with precipitation. Daylight averages about 12h 13m.
Avg High
°F
Avg Low
°F
Precipitation
0.24 in
Daylight
12h 13m
September records in Boulder City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 109.9°F (1950) | 62.1°F (1957) | 0.27 in (1960) |
| September 2 | 109.0°F (1948) | 60.1°F (1964) | 0.18 in (1972) |
| September 3 | 107.1°F (1948) | 60.1°F (1940) | 0.37 in (1990) |
| September 4 | 106.0°F (1952) | 60.1°F (1936) | 0.36 in (1939) |
| September 5 | 106.0°F (1945) | 59.0°F (1981) | 2.00 in (1981) |
| September 6 | 106.0°F (1955) | 55.0°F (1970) | 1.06 in (1939) |
| September 7 | 105.1°F (1955) | 57.9°F (1985) | 0.55 in (1991) |
| September 8 | 106.0°F (1977) | -74.9°F (1934) | 0.34 in (1940) |
| September 9 | 105.1°F (1990) | 60.1°F (1961) | 0.11 in (1949) |
| September 10 | 102.9°F (1951) | 55.9°F (1981) | 2.63 in (1984) |
| September 11 | 105.1°F (1990) | 52.0°F (1952) | 2.62 in (1976) |
| September 12 | 106.0°F (1990) | 55.0°F (1982) | 0.71 in (1939) |
| September 13 | 105.1°F (1971) | 60.1°F (1952) | 0.04 in (1939) |
| September 14 | 105.1°F (1971) | 55.9°F (1939) | 0.05 in (1962) |
| September 15 | 104.0°F (2000) | 57.0°F (1978) | 0.27 in (1978) |
| September 16 | 102.9°F (1937) | 57.9°F (1959) | 0.63 in (1997) |
| September 17 | 104.0°F (1937) | 46.0°F (1965) | 0.65 in (1940) |
| September 18 | 104.0°F (1937) | 44.1°F (1985) | 0.56 in (1963) |
| September 19 | 104.0°F (1962) | 50.0°F (1965) | 0.87 in (1935) |
| September 20 | 100.9°F (1951) | 50.0°F (1989) | 1.65 in (1952) |
| September 21 | 100.9°F (1949) | 53.1°F (1964) | 0.21 in (1937) |
| September 22 | 100.0°F (1949) | 50.0°F (1941) | 0.35 in (1999) |
| September 23 | 99.0°F (1949) | 48.9°F (1986) | 0.20 in (1932) |
| September 24 | 100.0°F (1947) | 48.9°F (1986) | 0.42 in (1983) |
| September 25 | 102.0°F (1947) | 52.0°F (1934) | 1.08 in (1939) |
| September 26 | 100.9°F (2002) | 46.0°F (1986) | 0.37 in (1997) |
| September 27 | 99.0°F (1956) | 48.9°F (1982) | 0.98 in (1962) |
| September 28 | 98.1°F (1938) | 46.0°F (1982) | 1.12 in (1951) |
| September 29 | 102.0°F (1978) | 53.1°F (1965) | 0.47 in (1983) |
| September 30 | 99.0°F (2003) | 43.0°F (1982) | 0.65 in (1932) |