September weather in Frederick, SD
The average temperature in Frederick in September is °F (°F–°F). Average precipitation: 2.47 inches.
September is a fall month in Frederick, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 12h 18m.
Avg High
°F
Avg Low
°F
Precipitation
2.47 in
Daylight
12h 18m
September records in Frederick
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 0.25 in (1996) |
| September 2 | — | — | 0.82 in (2008) |
| September 3 | — | — | 0.82 in (2021) |
| September 4 | — | — | 0.31 in (2012) |
| September 5 | — | — | 0.18 in (2016) |
| September 6 | — | — | 0.56 in (1995) |
| September 7 | — | — | 2.06 in (1992) |
| September 8 | — | — | 2.42 in (2019) |
| September 9 | — | — | 2.54 in (2009) |
| September 10 | — | — | 2.21 in (2019) |
| September 11 | — | — | 1.05 in (2010) |
| September 12 | — | — | 1.02 in (2019) |
| September 13 | — | — | 0.28 in (1993) |
| September 14 | — | — | 1.86 in (2008) |
| September 15 | — | — | 0.38 in (2013) |
| September 16 | — | — | 0.76 in (2010) |
| September 17 | — | — | 0.32 in (2006) |
| September 18 | — | — | 1.30 in (2025) |
| September 19 | — | — | 1.25 in (1996) |
| September 20 | — | — | 1.25 in (1996) |
| September 21 | — | — | 1.26 in (2018) |
| September 22 | — | — | 1.24 in (2023) |
| September 23 | — | — | 0.70 in (2006) |
| September 24 | — | — | 1.07 in (2010) |
| September 25 | — | — | 0.40 in (2023) |
| September 26 | — | — | 0.75 in (1996) |
| September 27 | — | — | 0.25 in (1996) |
| September 28 | — | — | 0.67 in (2013) |
| September 29 | — | — | 0.65 in (1995) |
| September 30 | — | — | 1.00 in (2019) |