September weather in Karnes City, TX
The average temperature in Karnes City in September is 79.9°F (69.0°F–90.9°F). Average precipitation: inches.
September is a fall month in Karnes City, and is warmer than the annual average of 70.2°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Daylight averages about 12h 10m. For travel, September is hot.
Avg High
90.9°F
Avg Low
69.0°F
Precipitation
in
Daylight
12h 10m
September records in Karnes City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 106.0°F (2000) | 61.0°F (1999) | 1.22 in (1932) |
| September 2 | 107.1°F (2000) | 53.1°F (1999) | 2.00 in (1967) |
| September 3 | 105.1°F (2000) | 45.0°F (1999) | 1.94 in (1953) |
| September 4 | 107.1°F (2000) | 41.0°F (1999) | 2.18 in (1942) |
| September 5 | 109.0°F (2000) | 55.9°F (1999) | 2.00 in (1968) |
| September 6 | 111.0°F (2000) | 57.9°F (1984) | 1.40 in (1958) |
| September 7 | 100.0°F (2000) | 62.1°F (2006) | 1.11 in (1966) |
| September 8 | 99.0°F (1985) | 62.1°F (2006) | 4.68 in (1942) |
| September 9 | 100.9°F (1997) | 64.0°F (1988) | 4.51 in (1921) |
| September 10 | 100.0°F (1997) | 60.1°F (1979) | 5.05 in (1952) |
| September 11 | 100.9°F (1982) | 64.0°F (1979) | 3.60 in (1998) |
| September 12 | 102.9°F (2000) | 66.0°F (1979) | 1.88 in (2003) |
| September 13 | 99.0°F (1977) | 61.0°F (1989) | 3.88 in (1951) |
| September 14 | 98.1°F (1977) | 57.9°F (1989) | 1.73 in (1978) |
| September 15 | 99.0°F (1997) | 57.0°F (1989) | 0.90 in (1981) |
| September 16 | 100.0°F (1997) | 51.1°F (1999) | 1.76 in (1988) |
| September 17 | 100.9°F (2005) | 51.1°F (1999) | 5.51 in (1941) |
| September 18 | 100.9°F (1997) | 52.0°F (1981) | 4.67 in (1941) |
| September 19 | 100.9°F (1997) | 48.0°F (1998) | 3.50 in (1983) |
| September 20 | 100.0°F (1995) | 55.9°F (1981) | 7.72 in (1967) |
| September 21 | 100.0°F (1999) | 54.0°F (1983) | 3.77 in (1967) |
| September 22 | 102.0°F (2005) | 46.0°F (1983) | 7.95 in (1967) |
| September 23 | 102.0°F (2005) | 50.0°F (1995) | 3.76 in (1957) |
| September 24 | 99.0°F (2000) | 48.9°F (1989) | 2.04 in (2006) |
| September 25 | 102.9°F (2005) | 48.0°F (1989) | 1.97 in (1935) |
| September 26 | 109.0°F (2005) | 50.0°F (2000) | 2.62 in (1935) |
| September 27 | 105.1°F (2005) | 50.0°F (2000) | 1.50 in (1932) |
| September 28 | 105.1°F (2005) | 53.1°F (2000) | 2.20 in (1985) |
| September 29 | 106.0°F (2005) | 51.1°F (1992) | 1.20 in (1985) |
| September 30 | 97.0°F (1977) | 46.9°F (1992) | 1.54 in (1921) |