September weather in Glenham, SD
The average temperature in Glenham in September is 63.2°F (49.9°F–76.5°F). Average precipitation: 1.52 inches.
September is a fall month in Glenham, and is warmer than the annual average of 46.4°F. Daily temperatures swing about 26.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
76.5°F
Avg Low
49.9°F
Precipitation
1.52 in
Daylight
12h 18m
September records in Glenham
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (2012) | 46.0°F (2005) | 0.41 in (2017) |
| September 2 | 100.9°F (2023) | 39.9°F (2008) | 0.39 in (1999) |
| September 3 | 99.0°F (2005) | 37.0°F (2008) | 0.81 in (1999) |
| September 4 | 99.0°F (2005) | 41.0°F (2011) | 1.09 in (1999) |
| September 5 | 100.0°F (2001) | 36.0°F (2025) | 1.02 in (2004) |
| September 6 | 97.0°F (2002) | 34.0°F (2025) | 1.22 in (2010) |
| September 7 | 102.0°F (2002) | 37.9°F (2004) | 0.88 in (2020) |
| September 8 | 93.9°F (2022) | 37.0°F (2008) | 1.04 in (2013) |
| September 9 | 93.9°F (2024) | 31.1°F (2020) | 1.34 in (2013) |
| September 10 | 100.9°F (1998) | 37.9°F (2020) | 0.49 in (2008) |
| September 11 | 91.9°F (2005) | 37.9°F (2015) | 0.57 in (2009) |
| September 12 | 97.0°F (2017) | 37.9°F (2014) | 1.53 in (2019) |
| September 13 | 93.9°F (2015) | 36.0°F (2012) | 2.21 in (2025) |
| September 14 | 93.0°F (2006) | 34.0°F (2014) | 1.35 in (2025) |
| September 15 | 93.0°F (2015) | 37.0°F (2011) | 0.35 in (2017) |
| September 16 | 95.0°F (2002) | 41.0°F (2010) | 0.18 in (2006) |
| September 17 | 93.9°F (1998) | 37.0°F (2010) | 1.29 in (2025) |
| September 18 | 97.0°F (1998) | 33.1°F (2003) | 1.13 in (2025) |
| September 19 | 93.0°F (2004) | 32.0°F (2003) | 0.46 in (2018) |
| September 20 | 91.0°F (2005) | 34.0°F (2006) | 2.10 in (2018) |
| September 21 | 93.9°F (2015) | 30.2°F (2011) | 0.41 in (2006) |
| September 22 | 91.9°F (2013) | 26.2°F (2012) | 0.74 in (2006) |
| September 23 | 89.1°F (2007) | 28.0°F (2000) | 1.25 in (2004) |
| September 24 | 87.1°F (2014) | 25.0°F (2000) | 0.70 in (2017) |
| September 25 | 93.0°F (2014) | 28.9°F (2000) | 0.12 in (2018) |
| September 26 | 99.0°F (2024) | 26.1°F (2002) | 0.16 in (1998) |
| September 27 | 90.0°F (2021) | 34.0°F (1999) | 0.19 in (2006) |
| September 28 | 95.0°F (2024) | 32.0°F (2006) | 0.15 in (2002) |
| September 29 | 99.0°F (2024) | 30.9°F (2003) | 0.24 in (2019) |
| September 30 | 90.0°F (2005) | 26.1°F (2003) | 0.15 in (2014) |