September weather in Lost Springs, WY
The average temperature in Lost Springs in September is 58.0°F (39.6°F–76.5°F). Average precipitation: 0.77 inches.
September is a fall month in Lost Springs, and is warmer than the annual average of 44.7°F. Daily temperatures swing about 36.9°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
76.5°F
Avg Low
39.6°F
Precipitation
0.77 in
Daylight
12h 16m
September records in Lost Springs
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (2011) | 42.1°F (2014) | 0.12 in (2015) |
| September 2 | 93.9°F (2012) | 37.9°F (2008) | 0.17 in (2008) |
| September 3 | 91.9°F (2013) | 28.0°F (2010) | 0.42 in (2016) |
| September 4 | 93.9°F (2007) | 32.0°F (2010) | 0.00 in (2005) |
| September 5 | 95.0°F (2013) | 32.0°F (2017) | 0.03 in (2008) |
| September 6 | 96.1°F (2013) | 30.9°F (2017) | 0.09 in (2007) |
| September 7 | 95.0°F (2013) | 26.1°F (2010) | 0.28 in (2019) |
| September 8 | 93.0°F (2013) | 27.0°F (2010) | 0.24 in (2008) |
| September 9 | 90.0°F (2013) | 33.1°F (2015) | 0.00 in (2005) |
| September 10 | 91.0°F (2017) | 28.0°F (2016) | 0.12 in (2006) |
| September 11 | 91.0°F (2017) | 28.0°F (2016) | 0.38 in (2019) |
| September 12 | 90.0°F (2017) | 28.0°F (2010) | 0.24 in (2013) |
| September 13 | 91.9°F (2017) | 26.1°F (2014) | 0.23 in (2009) |
| September 14 | 89.1°F (2015) | 26.1°F (2014) | 0.03 in (2011) |
| September 15 | 90.0°F (2015) | 28.9°F (2008) | 0.34 in (2011) |
| September 16 | 91.0°F (2019) | 30.9°F (2016) | 0.20 in (2017) |
| September 17 | 87.1°F (2019) | 30.9°F (2016) | 0.00 in (2005) |
| September 18 | 88.0°F (2013) | 30.9°F (2012) | 0.04 in (2015) |
| September 19 | 91.9°F (2014) | 30.0°F (2012) | 0.00 in (2005) |
| September 20 | 90.0°F (2010) | 28.9°F (2015) | 0.00 in (2005) |
| September 21 | 91.0°F (2016) | 24.1°F (2011) | 0.08 in (2019) |
| September 22 | 88.0°F (2017) | 24.1°F (2011) | 0.18 in (2005) |
| September 23 | 91.0°F (2007) | 24.1°F (2011) | 0.21 in (2006) |
| September 24 | 86.0°F (2011) | 28.9°F (2010) | 0.37 in (2017) |
| September 25 | 91.0°F (2014) | 28.9°F (2010) | 0.31 in (2017) |
| September 26 | 90.0°F (2014) | 30.0°F (2007) | 0.03 in (2012) |
| September 27 | 93.0°F (2010) | 28.0°F (2007) | 0.84 in (2012) |
| September 28 | 89.1°F (2015) | 23.0°F (2013) | 0.00 in (2005) |
| September 29 | 90.0°F (2010) | 24.1°F (2013) | 0.52 in (2014) |
| September 30 | 82.9°F (2007) | 30.0°F (2008) | 0.62 in (2014) |