September weather in Chiloquin, OR
The average temperature in Chiloquin in September is 55.9°F (34.2°F–77.5°F). Average precipitation: 0.48 inches.
September is a fall month in Chiloquin, and is warmer than the annual average of 45°F. Daily temperatures swing about 43.3°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 16m. For travel, September is cool.
Avg High
77.5°F
Avg Low
34.2°F
Precipitation
0.48 in
Daylight
12h 16m
September records in Chiloquin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (2024) | 25.0°F (2011) | 0.11 in (1983) |
| September 2 | 97.0°F (2022) | 28.9°F (1999) | 0.21 in (1985) |
| September 3 | 99.0°F (1998) | 23.0°F (2015) | 0.26 in (2000) |
| September 4 | 99.0°F (2020) | 19.9°F (2015) | 0.06 in (1982) |
| September 5 | 96.1°F (1998) | 23.0°F (2015) | 0.03 in (2015) |
| September 6 | 97.0°F (2017) | 21.9°F (2015) | 0.11 in (2013) |
| September 7 | 100.0°F (2022) | 25.0°F (2009) | 0.15 in (2002) |
| September 8 | 96.1°F (2020) | 26.1°F (2009) | 0.28 in (2025) |
| September 9 | 91.9°F (1993) | 27.0°F (1983) | 0.55 in (2003) |
| September 10 | 91.9°F (1993) | 24.1°F (2010) | 0.58 in (2021) |
| September 11 | 91.9°F (2015) | 25.0°F (2005) | 0.04 in (1994) |
| September 12 | 93.0°F (2017) | 24.1°F (2018) | 0.03 in (2024) |
| September 13 | 93.0°F (2009) | 24.1°F (2024) | 0.49 in (1997) |
| September 14 | 90.0°F (2013) | 23.0°F (2016) | 0.45 in (1985) |
| September 15 | 97.0°F (2013) | 23.0°F (2016) | 0.18 in (1997) |
| September 16 | 90.0°F (2023) | 26.1°F (2005) | 0.24 in (2019) |
| September 17 | 88.0°F (1981) | 24.1°F (2022) | 0.51 in (1986) |
| September 18 | 90.0°F (1991) | 24.1°F (2015) | 0.85 in (1989) |
| September 19 | 87.1°F (2000) | 23.0°F (2007) | 0.84 in (2010) |
| September 20 | 88.0°F (2012) | 19.9°F (2024) | 0.56 in (2022) |
| September 21 | 90.0°F (2014) | 19.0°F (2023) | 0.29 in (2017) |
| September 22 | 87.1°F (1987) | 19.0°F (2023) | 0.11 in (2013) |
| September 23 | 89.1°F (1987) | 19.9°F (2016) | 0.11 in (1983) |
| September 24 | 90.0°F (2009) | 18.0°F (2007) | 1.23 in (2014) |
| September 25 | 91.0°F (2025) | 19.0°F (2007) | 0.68 in (1990) |
| September 26 | 89.1°F (1991) | 19.0°F (2013) | 0.51 in (2023) |
| September 27 | 90.0°F (2003) | 18.0°F (2013) | 0.24 in (1981) |
| September 28 | 90.0°F (2018) | 19.0°F (2023) | 0.78 in (1994) |
| September 29 | 90.0°F (2003) | 17.1°F (2007) | 0.47 in (2013) |
| September 30 | 88.0°F (2010) | 18.0°F (2007) | 0.30 in (2025) |