September weather in Horizon City, TX
The average temperature in Horizon City in September is 76.9°F (65.4°F–88.3°F). Average precipitation: 1.52 inches.
September is a fall month in Horizon City, and is warmer than the annual average of 66.2°F. Daily temperatures swing about 22.9°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 11m. For travel, September is hot.
Avg High
88.3°F
Avg Low
65.4°F
Precipitation
1.52 in
Daylight
12h 11m
September records in Horizon City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1982) | 57.9°F (1987) | 0.91 in (2006) |
| September 2 | 100.0°F (1959) | 55.0°F (1987) | 1.37 in (1962) |
| September 3 | 100.9°F (1959) | 55.0°F (1976) | 1.33 in (2006) |
| September 4 | 100.9°F (1983) | 55.0°F (1974) | 1.28 in (2006) |
| September 5 | 102.9°F (1948) | 48.9°F (1984) | 1.62 in (1962) |
| September 6 | 104.0°F (2023) | 52.0°F (1988) | 1.25 in (2005) |
| September 7 | 105.1°F (2023) | 53.1°F (1988) | 1.22 in (2008) |
| September 8 | 106.0°F (2023) | 54.0°F (1988) | 0.92 in (2019) |
| September 9 | 104.0°F (2023) | 50.0°F (2020) | 0.28 in (1991) |
| September 10 | 102.0°F (2023) | 50.0°F (2020) | 1.30 in (2007) |
| September 11 | 100.0°F (2023) | 54.0°F (2020) | 1.96 in (1958) |
| September 12 | 98.1°F (1943) | 54.0°F (1960) | 1.90 in (2013) |
| September 13 | 100.0°F (2017) | 53.1°F (1968) | 0.79 in (2006) |
| September 14 | 98.1°F (1998) | 51.1°F (1959) | 0.90 in (1946) |
| September 15 | 99.0°F (1956) | 48.9°F (2012) | 0.79 in (1995) |
| September 16 | 100.9°F (1956) | 52.0°F (1979) | 0.73 in (1974) |
| September 17 | 99.0°F (1956) | 52.0°F (1968) | 1.86 in (2014) |
| September 18 | 98.1°F (1973) | 45.0°F (1968) | 1.03 in (1995) |
| September 19 | 97.0°F (1980) | 46.9°F (1991) | 1.95 in (2025) |
| September 20 | 99.0°F (2023) | 44.1°F (1971) | 2.20 in (1982) |
| September 21 | 98.1°F (1980) | 48.9°F (1971) | 2.89 in (1941) |
| September 22 | 97.0°F (2023) | 46.9°F (1995) | 2.26 in (1974) |
| September 23 | 98.1°F (2023) | 42.1°F (1975) | 1.09 in (2010) |
| September 24 | 97.0°F (1982) | 45.0°F (1975) | 1.33 in (1978) |
| September 25 | 98.1°F (2020) | 46.0°F (1975) | 0.82 in (1978) |
| September 26 | 98.1°F (2020) | 45.0°F (1975) | 0.54 in (2023) |
| September 27 | 100.0°F (2024) | 44.1°F (1942) | 1.62 in (1958) |
| September 28 | 98.1°F (2023) | 42.1°F (1973) | 1.01 in (1941) |
| September 29 | 98.1°F (1977) | 44.1°F (1945) | 0.23 in (1946) |
| September 30 | 97.0°F (1994) | 41.0°F (1945) | 2.14 in (1982) |