September weather in Cotulla, TX
The average temperature in Cotulla in September is 82.4°F (70.8°F–93.9°F). Average precipitation: 2.98 inches.
September is a fall month in Cotulla, and is warmer than the annual average of 73°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 10m. For travel, September is hot.
Avg High
93.9°F
Avg Low
70.8°F
Precipitation
2.98 in
Daylight
12h 10m
September records in Cotulla
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 106.0°F (1952) | 62.1°F (1950) | 1.78 in (1968) |
| September 2 | 104.0°F (1951) | 66.9°F (1950) | 3.68 in (2024) |
| September 3 | 104.0°F (2011) | 64.9°F (1974) | 2.25 in (2003) |
| September 4 | 105.1°F (2011) | 63.0°F (1974) | 1.77 in (2003) |
| September 5 | 105.1°F (2012) | 57.9°F (1974) | 2.92 in (1968) |
| September 6 | 106.0°F (2021) | 55.0°F (1974) | 1.54 in (1966) |
| September 7 | 105.1°F (2012) | 57.9°F (1974) | 1.36 in (1966) |
| September 8 | 106.0°F (2023) | 60.1°F (1974) | 1.96 in (2002) |
| September 9 | 105.1°F (2023) | 64.0°F (2011) | 3.52 in (2002) |
| September 10 | 105.1°F (1950) | 61.0°F (2020) | 1.12 in (1973) |
| September 11 | 100.9°F (1951) | 64.0°F (2017) | 3.26 in (2006) |
| September 12 | 104.0°F (2011) | 62.1°F (2017) | 1.82 in (1971) |
| September 13 | 104.0°F (1950) | 64.9°F (2014) | 1.80 in (1975) |
| September 14 | 106.0°F (2023) | 64.0°F (2014) | 1.15 in (2012) |
| September 15 | 104.0°F (2023) | 66.0°F (2009) | 1.73 in (2002) |
| September 16 | 102.0°F (1950) | 60.1°F (1979) | 1.13 in (2020) |
| September 17 | 104.0°F (2021) | 57.0°F (1951) | 1.85 in (2006) |
| September 18 | 106.0°F (2019) | 59.0°F (1968) | 0.72 in (2010) |
| September 19 | 105.1°F (2021) | 57.0°F (1971) | 2.14 in (1976) |
| September 20 | 107.1°F (2021) | 57.9°F (1971) | 2.16 in (1976) |
| September 21 | 105.1°F (2021) | 62.1°F (1971) | 2.38 in (1967) |
| September 22 | 104.0°F (2023) | 57.9°F (1975) | 1.58 in (1967) |
| September 23 | 105.1°F (2023) | 53.1°F (1975) | 2.79 in (2006) |
| September 24 | 107.1°F (2023) | 51.1°F (1975) | 1.44 in (1950) |
| September 25 | 109.0°F (2005) | 55.0°F (1975) | 4.10 in (1950) |
| September 26 | 107.1°F (2005) | 50.0°F (1975) | 2.42 in (2017) |
| September 27 | 105.1°F (1953) | 55.0°F (1970) | 1.76 in (1978) |
| September 28 | 107.1°F (2005) | 48.0°F (1967) | 1.15 in (2012) |
| September 29 | 100.9°F (1977) | 48.9°F (1967) | 1.01 in (2007) |
| September 30 | 100.9°F (1977) | 50.0°F (2020) | 1.11 in (1954) |