September weather in Del Rio, TX
The average temperature in Del Rio in September is 83.5°F (73.3°F–93.8°F). Average precipitation: 2.63 inches.
September is a fall month in Del Rio, and is warmer than the annual average of 73.9°F. Daily temperatures swing about 20.5°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
93.8°F
Avg Low
73.3°F
Precipitation
2.63 in
Daylight
12h 10m
September records in Del Rio
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 106.0°F (1952) | 66.9°F (1968) | 3.85 in (1953) |
| September 2 | 105.1°F (2000) | 63.0°F (1967) | 3.28 in (1967) |
| September 3 | 106.0°F (2000) | 57.9°F (1974) | 4.56 in (2024) |
| September 4 | 107.1°F (2000) | 64.0°F (1974) | 2.49 in (2007) |
| September 5 | 109.0°F (2000) | 57.0°F (1974) | 1.24 in (2006) |
| September 6 | 109.9°F (2000) | 57.0°F (2011) | 1.72 in (1973) |
| September 7 | 104.0°F (2012) | 57.0°F (2011) | 0.62 in (1986) |
| September 8 | 106.0°F (2023) | 57.0°F (2004) | 2.68 in (2018) |
| September 9 | 105.1°F (2023) | 57.9°F (2004) | 1.25 in (2001) |
| September 10 | 105.1°F (2023) | 57.0°F (2020) | 0.79 in (2009) |
| September 11 | 104.0°F (2000) | 57.9°F (2020) | 0.43 in (2003) |
| September 12 | 105.1°F (2000) | 60.1°F (1968) | 1.91 in (2016) |
| September 13 | 100.9°F (2011) | 59.0°F (1975) | 1.24 in (1989) |
| September 14 | 106.0°F (2017) | 61.0°F (1989) | 2.59 in (1991) |
| September 15 | 100.0°F (1965) | 57.9°F (1993) | 1.12 in (1967) |
| September 16 | 100.9°F (1997) | 57.9°F (1951) | 2.74 in (2018) |
| September 17 | 102.9°F (2021) | 53.1°F (1951) | 1.98 in (1988) |
| September 18 | 104.0°F (2019) | 55.0°F (1951) | 2.00 in (1974) |
| September 19 | 104.0°F (2019) | 52.0°F (1991) | 2.65 in (1991) |
| September 20 | 106.0°F (2021) | 51.1°F (1971) | 2.52 in (1964) |
| September 21 | 100.9°F (1992) | 54.0°F (1995) | 4.14 in (1964) |
| September 22 | 102.0°F (2023) | 48.0°F (1995) | 0.89 in (2011) |
| September 23 | 105.1°F (2023) | 51.1°F (1995) | 1.79 in (1964) |
| September 24 | 107.1°F (2023) | 51.1°F (1989) | 2.60 in (1964) |
| September 25 | 107.1°F (2005) | 48.9°F (1989) | 1.79 in (2017) |
| September 26 | 106.0°F (2005) | 48.9°F (2000) | 5.21 in (1970) |
| September 27 | 104.0°F (2005) | 48.0°F (1970) | 1.84 in (2017) |
| September 28 | 104.0°F (2005) | 48.9°F (1970) | 2.44 in (2012) |
| September 29 | 104.0°F (1979) | 50.0°F (1996) | 1.69 in (1988) |
| September 30 | 100.9°F (1977) | 48.9°F (1985) | 1.43 in (1954) |