September weather in Silverton, CO
The average temperature in Silverton in September is 47.7°F (29.7°F–65.6°F). Average precipitation: 2.75 inches. Average snowfall is 0.5 inches.
September is a fall month in Silverton, and is warmer than the annual average of 34.7°F. Daily temperatures swing about 35.9°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 14m. For travel, September is cool.
Avg High
65.6°F
Avg Low
29.7°F
Precipitation
2.75 in
Snow
0.5 in
September records in Silverton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 84.9°F (1926) | 19.0°F (1928) | 1.30 in (1925) |
| September 2 | 82.0°F (1925) | 17.1°F (1928) | 0.80 in (1911) |
| September 3 | 81.0°F (2020) | 16.0°F (1928) | 0.90 in (1994) |
| September 4 | 86.0°F (1922) | 15.1°F (1928) | 0.86 in (2004) |
| September 5 | 82.9°F (2020) | 17.1°F (1928) | 2.00 in (1909) |
| September 6 | 84.0°F (1922) | 17.1°F (1928) | 2.05 in (1970) |
| September 7 | 84.0°F (1915) | 15.1°F (1912) | 0.77 in (1927) |
| September 8 | 84.0°F (1928) | 19.9°F (1911) | 1.17 in (2002) |
| September 9 | 80.1°F (2021) | 18.0°F (1912) | 1.47 in (1927) |
| September 10 | 80.1°F (2021) | 19.9°F (1911) | 2.22 in (2003) |
| September 11 | 84.9°F (1922) | 17.1°F (1928) | 1.38 in (1942) |
| September 12 | 82.0°F (1922) | 14.0°F (1928) | 1.62 in (1927) |
| September 13 | 82.9°F (1922) | 16.0°F (1928) | 1.38 in (1941) |
| September 14 | 84.0°F (1915) | 12.0°F (1928) | 0.95 in (1907) |
| September 15 | 81.0°F (1922) | 14.0°F (1928) | 1.32 in (1906) |
| September 16 | 80.1°F (1928) | 16.0°F (1928) | 0.85 in (1984) |
| September 17 | 79.0°F (1956) | 17.1°F (1912) | 0.87 in (1925) |
| September 18 | 84.9°F (1928) | 15.1°F (1971) | 1.70 in (1940) |
| September 19 | 84.9°F (1928) | 15.1°F (1988) | 1.17 in (1965) |
| September 20 | 82.9°F (1915) | 14.0°F (1988) | 2.10 in (2004) |
| September 21 | 78.1°F (1915) | 12.9°F (1924) | 1.15 in (1997) |
| September 22 | 75.0°F (1949) | 14.0°F (1912) | 1.35 in (1941) |
| September 23 | 78.1°F (1928) | 17.1°F (1912) | 1.40 in (1934) |
| September 24 | 77.0°F (1928) | 6.1°F (1913) | 0.92 in (1986) |
| September 25 | 77.0°F (1928) | 15.1°F (1913) | 1.44 in (1915) |
| September 26 | 75.9°F (1928) | 10.9°F (1930) | 1.40 in (1926) |
| September 27 | 78.1°F (2010) | 5.0°F (1908) | 0.61 in (2014) |
| September 28 | 88.0°F (1981) | 10.0°F (1923) | 1.02 in (2014) |
| September 29 | 79.0°F (2010) | 12.0°F (1923) | 1.56 in (1905) |
| September 30 | 88.0°F (1981) | 10.9°F (1923) | 1.30 in (1971) |