Climate averages 1991–2020
Colorado Springs weather
in September.
A warm, fairly dry month: the 4th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Colorado Springs: daytime highs average 24.0°C and nights cool to about 9.3°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 33 mm of rain on roughly 6 days, which makes September a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 29 min on an average September day.
The nearest other city in this atlas is Pueblo (67 km away). In September its highs average 27.1°C, 3.1°C warmer than Colorado Springs, with 22 mm of rain.
Among the 498 cities listed in the United States, Colorado Springs ranks joint 356th of 498 for the warmest September highs and 149th of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Colorado Springs is 2.9°C cooler than that mean.
From September to October, average highs fall by 6.8°C to 17.1°C, and monthly rainfall falls from 33 mm to 31 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Colorado Springs climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.5°C-9.0°C | -9.0°C | 15 | 3.9 | 9.810 h |
| February | 6.5°C-8.0°C | -8.0°C | 16 | 4.8 | 10.711 h |
| March | 10.9°C-4.4°C | -4.4°C | 42 | 7.2 | 11.912 h |
| April | 14.4°C-0.7°C | -0.7°C | 63 | 9.8 | 13.213 h |
| May | 20.1°C5.3°C | 5.3°C | 69 | 11.9 | 14.314 h |
| June | 26.4°C10.8°C | 10.8°C | 52 | 10.8 | 14.815 h |
| July | 28.9°C14.1°C | 14.1°C | 71 | 12.1 | 14.615 h |
| August | 27.4°C13.3°C | 13.3°C | 63 | 11.7 | 13.714 h |
| September, selected | 24.0°C9.3°C | 9.3°C | 33 | 6.2 | 12.512 h |
| October | 17.1°C2.4°C | 2.4°C | 31 | 5.5 | 11.211 h |
| November | 9.9°C-4.4°C | -4.4°C | 21 | 5.0 | 10.110 h |
| December | 4.9°C-9.1°C | -9.1°C | 13 | 3.5 | 9.510 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Pueblo in SeptemberUnited States · 67 kmHigh 27.1°C · Low 12.2°C · 22 mm rain
- Highlands Ranch in SeptemberUnited States · 81 kmHigh 23.8°C · Low 8.9°C · 39 mm rain
- Centennial in SeptemberUnited States · 83 kmHigh 23.8°C · Low 9.1°C · 39 mm rain
- Lakewood in SeptemberUnited States · 99 kmHigh 24.1°C · Low 9.4°C · 36 mm rain
- Aurora (Colorado), United States in SeptemberUnited States · 100 kmHigh 25.1°C · Low 10.8°C · 27 mm rain
- Denver in SeptemberUnited States · 102 kmHigh 24.3°C · Low 9.5°C · 36 mm rain
- Arvada in SeptemberUnited States · 110 kmHigh 24.1°C · Low 9.4°C · 36 mm rain
- Westminster (Colorado), United States in SeptemberUnited States · 113 kmHigh 24.1°C · Low 9.4°C · 36 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Colorado Springs) is explained once on the Colorado Springs year overview and on the Sources, method and limits page.