September weather in Pecos, NM
The average temperature in Pecos in September is 61.3°F (45.1°F–77.6°F). Average precipitation: 1.71 inches.
September is a fall month in Pecos, and is warmer than the annual average of 50°F. Daily temperatures swing about 32.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
77.6°F
Avg Low
45.1°F
Precipitation
1.71 in
Daylight
12h 13m
September records in Pecos
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (1950) | 39.9°F (1945) | 0.91 in (1962) |
| September 2 | 90.0°F (1947) | 37.0°F (1959) | 1.05 in (1972) |
| September 3 | 91.0°F (1949) | 36.0°F (1981) | 1.07 in (1999) |
| September 4 | 91.9°F (1995) | 34.0°F (1961) | 1.06 in (1981) |
| September 5 | 93.9°F (1948) | 36.0°F (1971) | 1.00 in (1991) |
| September 6 | 91.9°F (2020) | 34.0°F (1970) | 0.83 in (2025) |
| September 7 | 91.0°F (2020) | 34.0°F (1943) | 1.55 in (1958) |
| September 8 | 90.0°F (1949) | 35.1°F (2020) | 1.34 in (1965) |
| September 9 | 90.0°F (2021) | 28.9°F (2001) | 1.91 in (1927) |
| September 10 | 91.0°F (2021) | 30.0°F (1962) | 0.86 in (2002) |
| September 11 | 89.1°F (2021) | 33.1°F (2020) | 0.86 in (2013) |
| September 12 | 93.0°F (1956) | 32.0°F (1947) | 1.63 in (1925) |
| September 13 | 90.0°F (1956) | 30.0°F (1959) | 2.56 in (2013) |
| September 14 | 91.0°F (1956) | 30.9°F (1947) | 0.95 in (1992) |
| September 15 | 95.0°F (1956) | 28.9°F (1957) | 1.41 in (1931) |
| September 16 | 90.0°F (1947) | 21.9°F (1951) | 1.99 in (1982) |
| September 17 | 90.0°F (1949) | 27.0°F (1968) | 1.37 in (1926) |
| September 18 | 91.9°F (1947) | 28.0°F (2006) | 0.93 in (1982) |
| September 19 | 89.1°F (1948) | 30.0°F (1951) | 1.46 in (1936) |
| September 20 | 89.1°F (1947) | 30.9°F (1971) | 1.10 in (1989) |
| September 21 | 90.0°F (1947) | 23.0°F (1983) | 1.34 in (1969) |
| September 22 | 90.0°F (1947) | 28.0°F (1970) | 1.12 in (1941) |
| September 23 | 88.0°F (1947) | 23.0°F (1970) | 3.80 in (1929) |
| September 24 | 88.0°F (1982) | 28.0°F (1957) | 1.25 in (2009) |
| September 25 | 86.0°F (2020) | 24.1°F (2000) | 1.64 in (1955) |
| September 26 | 88.0°F (2024) | 19.9°F (1970) | 0.50 in (1929) |
| September 27 | 87.1°F (1998) | 21.9°F (1970) | 1.10 in (1936) |
| September 28 | 87.1°F (2001) | 28.0°F (1973) | 2.00 in (1941) |
| September 29 | 88.0°F (2010) | 26.1°F (1988) | 1.84 in (2005) |
| September 30 | 86.0°F (2024) | 26.1°F (1965) | 1.11 in (1930) |