September weather in Golden, CO
The average temperature in Golden in September is °F (°F–°F). Average precipitation: 1.78 inches. Average snowfall is 0.3 inches.
September is a fall month in Golden, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 12h 15m.
Avg High
°F
Avg Low
°F
Precipitation
1.78 in
Snow
0.3 in
September records in Golden
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 87.1°F (2011) | 39.9°F (2006) | 0.18 in (2006) |
| September 2 | 81.0°F (2012) | 39.0°F (2006) | 0.09 in (2006) |
| September 3 | 87.1°F (2017) | 39.0°F (2008) | 0.05 in (2015) |
| September 4 | 86.0°F (2010) | 39.9°F (2008) | 0.20 in (2014) |
| September 5 | 84.9°F (2010) | 39.0°F (2008) | 1.59 in (2018) |
| September 6 | 80.1°F (2012) | 37.0°F (2008) | 0.27 in (2011) |
| September 7 | 77.0°F (2009) | 41.0°F (2008) | 0.60 in (2011) |
| September 8 | 78.1°F (2016) | 36.0°F (2008) | 0.21 in (2008) |
| September 9 | 81.0°F (2012) | 37.0°F (2008) | 2.49 in (2013) |
| September 10 | 84.9°F (2012) | 37.0°F (2016) | 1.00 in (2013) |
| September 11 | 81.0°F (2016) | 41.0°F (2007) | 0.81 in (2013) |
| September 12 | 82.9°F (2018) | 37.9°F (2009) | 6.13 in (2013) |
| September 13 | 84.9°F (2018) | 41.0°F (2009) | 0.38 in (2013) |
| September 14 | 82.0°F (2018) | 37.9°F (2007) | 1.20 in (2011) |
| September 15 | 82.9°F (2018) | 39.9°F (2011) | 0.81 in (2013) |
| September 16 | 82.0°F (2018) | 34.0°F (2006) | 0.03 in (2007) |
| September 17 | 81.0°F (2018) | 34.0°F (2006) | 0.14 in (2011) |
| September 18 | 80.1°F (2016) | 37.9°F (2006) | 0.01 in (2008) |
| September 19 | 84.9°F (2010) | 37.9°F (2015) | 0.13 in (2018) |
| September 20 | 84.9°F (2010) | 36.0°F (2017) | 0.04 in (2006) |
| September 21 | 81.0°F (2015) | 30.9°F (2009) | 0.54 in (2009) |
| September 22 | 80.1°F (2007) | 30.0°F (2009) | 0.10 in (2013) |
| September 23 | 81.0°F (2012) | 30.9°F (2006) | 0.98 in (2017) |
| September 24 | 75.9°F (2015) | 28.9°F (2006) | 0.34 in (2017) |
| September 25 | 75.0°F (2008) | 32.0°F (2007) | 0.12 in (2017) |
| September 26 | 79.0°F (2010) | 34.0°F (2017) | 0.71 in (2012) |
| September 27 | 80.1°F (2015) | 37.0°F (2006) | 0.46 in (2013) |
| September 28 | 80.1°F (2010) | 33.1°F (2018) | 0.57 in (2017) |
| September 29 | 78.1°F (2009) | 36.0°F (2017) | 0.74 in (2014) |
| September 30 | 73.9°F (2006) | 33.1°F (2018) | 0.01 in (2017) |