September weather in Crystal City, TX
The average temperature in Crystal City in September is 82.2°F (71.5°F–92.9°F). Average precipitation: 2.43 inches.
September is a fall month in Crystal City, and is warmer than the annual average of 72.7°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 10m. For travel, September is hot.
Avg High
92.9°F
Avg Low
71.5°F
Precipitation
2.43 in
Daylight
12h 10m
September records in Crystal City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 106.0°F (1951) | 62.1°F (1950) | 2.28 in (1953) |
| September 2 | 108.0°F (2000) | 66.0°F (1950) | 0.86 in (1968) |
| September 3 | 109.0°F (2000) | 63.0°F (1974) | 3.01 in (1974) |
| September 4 | 111.0°F (2000) | 64.0°F (1974) | 4.47 in (1942) |
| September 5 | 115.0°F (2000) | 57.9°F (1974) | 1.60 in (1968) |
| September 6 | 111.9°F (2000) | 59.0°F (1974) | 1.10 in (1991) |
| September 7 | 100.9°F (1948) | 60.1°F (1974) | 2.70 in (1986) |
| September 8 | 104.0°F (2001) | 60.1°F (1957) | 1.38 in (2002) |
| September 9 | 102.9°F (1997) | 55.9°F (1956) | 3.83 in (1948) |
| September 10 | 106.0°F (2000) | 63.0°F (1956) | 0.62 in (1968) |
| September 11 | 106.0°F (2000) | 64.0°F (1956) | 1.18 in (1975) |
| September 12 | 106.0°F (2000) | 59.0°F (1959) | 2.07 in (2006) |
| September 13 | 100.0°F (1950) | 57.9°F (1959) | 2.57 in (1964) |
| September 14 | 100.9°F (1950) | 62.1°F (1953) | 0.82 in (1970) |
| September 15 | 100.0°F (1950) | 62.1°F (1961) | 2.75 in (1943) |
| September 16 | 102.0°F (2000) | 60.1°F (1993) | 3.29 in (1943) |
| September 17 | 100.9°F (1997) | 54.0°F (1951) | 2.29 in (1998) |
| September 18 | 102.0°F (2005) | 54.0°F (1951) | 2.04 in (2006) |
| September 19 | 100.9°F (2001) | 52.0°F (1981) | 2.49 in (1976) |
| September 20 | 100.9°F (1956) | 55.9°F (1991) | 0.70 in (1990) |
| September 21 | 102.0°F (2000) | 57.9°F (1971) | 2.05 in (2003) |
| September 22 | 102.0°F (2005) | 52.0°F (1995) | 2.28 in (1957) |
| September 23 | 105.1°F (2000) | 52.0°F (1975) | 1.01 in (1970) |
| September 24 | 102.9°F (2005) | 52.0°F (1975) | 1.30 in (1960) |
| September 25 | 108.0°F (2005) | 53.1°F (1975) | 1.07 in (2000) |
| September 26 | 107.1°F (2005) | 51.1°F (2000) | 1.99 in (1965) |
| September 27 | 105.1°F (2005) | 53.1°F (1989) | 2.15 in (1970) |
| September 28 | 107.1°F (2005) | 50.0°F (1948) | 6.15 in (1945) |
| September 29 | 99.0°F (2005) | 50.0°F (1948) | 2.29 in (1945) |
| September 30 | 99.0°F (1977) | 51.1°F (1948) | 0.54 in (1985) |