September weather in Halsey, OR
The average temperature in Halsey in September is 62.1°F (47.4°F–76.7°F). Average precipitation: 1.29 inches.
September is a fall month in Halsey, and is warmer than the annual average of 52.2°F. Daily temperatures swing about 29.3°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
76.7°F
Avg Low
47.4°F
Precipitation
1.29 in
Daylight
12h 17m
September records in Halsey
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.2°F (2017) | 38.7°F (2008) | 0.02 in (2023) |
| September 2 | 94.5°F (2017) | 41.0°F (2012) | 0.19 in (2015) |
| September 3 | 95.4°F (2017) | 41.0°F (2008) | 0.04 in (2007) |
| September 4 | 92.8°F (2025) | 41.0°F (2015) | 0.18 in (2007) |
| September 5 | 92.8°F (2014) | 38.8°F (2015) | 1.59 in (2013) |
| September 6 | 94.6°F (2014) | 40.8°F (2010) | 0.20 in (2009) |
| September 7 | 92.8°F (2012) | 42.4°F (2018) | 0.84 in (2010) |
| September 8 | 89.2°F (2021) | 40.5°F (2022) | 0.38 in (2019) |
| September 9 | 91.0°F (2011) | 43.0°F (2018) | 0.55 in (2025) |
| September 10 | 93.6°F (2007) | 39.0°F (2008) | 0.10 in (2019) |
| September 11 | 91.4°F (2015) | 43.2°F (2010) | 0.00 in (2007) |
| September 12 | 91.0°F (2017) | 41.2°F (2016) | 0.10 in (2018) |
| September 13 | 88.2°F (2012) | 41.9°F (2008) | 0.02 in (2009) |
| September 14 | 89.1°F (2014) | 40.5°F (2016) | 0.20 in (2025) |
| September 15 | 91.4°F (2023) | 40.1°F (2018) | 0.42 in (2019) |
| September 16 | 90.7°F (2025) | 42.3°F (2021) | 0.15 in (2019) |
| September 17 | 86.5°F (2012) | 41.5°F (2021) | 0.52 in (2015) |
| September 18 | 83.1°F (2009) | 40.1°F (2018) | 1.22 in (2020) |
| September 19 | 82.9°F (2014) | 38.3°F (2018) | 0.71 in (2017) |
| September 20 | 89.6°F (2014) | 40.1°F (2009) | 0.27 in (2017) |
| September 21 | 87.3°F (2009) | 38.8°F (2017) | 0.30 in (2016) |
| September 22 | 89.1°F (2009) | 39.6°F (2006) | 0.27 in (2019) |
| September 23 | 87.4°F (2025) | 37.0°F (2007) | 0.52 in (2014) |
| September 24 | 88.0°F (2025) | 35.6°F (2007) | 0.58 in (2013) |
| September 25 | 84.9°F (2022) | 38.8°F (2007) | 0.98 in (2023) |
| September 26 | 90.1°F (2016) | 39.2°F (2008) | 0.09 in (2023) |
| September 27 | 86.0°F (2017) | 40.1°F (2013) | 0.65 in (2021) |
| September 28 | 86.0°F (2017) | 37.8°F (2015) | 1.59 in (2013) |
| September 29 | 82.8°F (2006) | 34.3°F (2019) | 1.80 in (2013) |
| September 30 | 80.2°F (2010) | 36.3°F (2019) | 1.09 in (2007) |