September weather in Arriba, CO
The average temperature in Arriba in September is 64.2°F (49.3°F–79.1°F). Average precipitation: 1.24 inches. Average snowfall is 0.4 inches.
September is a fall month in Arriba, and is warmer than the annual average of 51.2°F. Daily temperatures swing about 29.8°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
79.1°F
Avg Low
49.3°F
Precipitation
1.24 in
Snow
0.4 in
September records in Arriba
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (2023) | 42.1°F (1972) | 1.32 in (1992) |
| September 2 | 98.1°F (2019) | 39.0°F (2008) | 1.60 in (2006) |
| September 3 | 97.0°F (1983) | 32.0°F (1974) | 1.30 in (1919) |
| September 4 | 98.1°F (1982) | 35.1°F (1961) | 0.85 in (1926) |
| September 5 | 98.1°F (2013) | 37.0°F (1961) | 0.23 in (1954) |
| September 6 | 97.0°F (1959) | 43.0°F (1961) | 0.50 in (1958) |
| September 7 | 99.0°F (1971) | 39.0°F (1986) | 2.05 in (1921) |
| September 8 | 99.0°F (1977) | 35.1°F (1993) | 1.65 in (2008) |
| September 9 | 98.1°F (1964) | 33.1°F (1962) | 1.59 in (1980) |
| September 10 | 98.1°F (1974) | 34.0°F (1970) | 0.74 in (1919) |
| September 11 | 96.1°F (2000) | 37.0°F (1989) | 1.32 in (1924) |
| September 12 | 96.1°F (2000) | 32.0°F (1989) | 0.80 in (2013) |
| September 13 | 98.1°F (1990) | 28.0°F (1993) | 3.35 in (2013) |
| September 14 | 96.1°F (2015) | 24.1°F (1993) | 1.19 in (2023) |
| September 15 | 95.0°F (1990) | 32.0°F (1993) | 0.68 in (1996) |
| September 16 | 93.9°F (1925) | 28.9°F (1965) | 0.88 in (1976) |
| September 17 | 93.9°F (1983) | 27.0°F (1965) | 0.61 in (1971) |
| September 18 | 96.1°F (2000) | 30.0°F (1971) | 1.24 in (1967) |
| September 19 | 95.0°F (2010) | 25.0°F (1971) | 0.55 in (2015) |
| September 20 | 93.0°F (1970) | 27.0°F (1983) | 0.67 in (1965) |
| September 21 | 93.9°F (2004) | 21.0°F (1983) | 3.65 in (1963) |
| September 22 | 93.0°F (2005) | 24.1°F (1994) | 1.00 in (1941) |
| September 23 | 89.1°F (1973) | 28.9°F (1971) | 0.82 in (2017) |
| September 24 | 96.1°F (1966) | 25.0°F (1926) | 0.45 in (2000) |
| September 25 | 89.1°F (1964) | 23.0°F (1926) | 1.48 in (1981) |
| September 26 | 93.9°F (1998) | 27.0°F (1970) | 0.34 in (2015) |
| September 27 | 90.0°F (1977) | 28.0°F (1924) | 1.17 in (2012) |
| September 28 | 91.0°F (2023) | 25.0°F (1984) | 0.65 in (2012) |
| September 29 | 89.1°F (1981) | 28.9°F (1920) | 0.75 in (2013) |
| September 30 | 90.0°F (1967) | 27.0°F (1961) | 0.60 in (1927) |