Monthly climate guide
Colorado Springs weather in September
With highs near 23°C (74°F) and lows around 8°C (46°F), September feels warm in Colorado Springs. Rainfall averages about 41 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are 3°C cooler than August and 7°C warmer than October.
What stands out in September
- Evenings cool off sharply: the daily range is around 16°C, so pack a layer.
- Colorado Springs is usually about 2°C cooler than Denver, 100 km away, in September.
- In Colorado Springs, September is early autumn.
- Temperatures are falling — expect highs around 7°C lower by October.
Avg high
23°C
74°F
Avg low
8°C
46°F
Rainfall
41 mm
fairly dry
Humidity
49%
relative
Sky
39%
cloud · a mix of sun and cloud
Colorado Springs weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 4°C / 39°F | -9°C / 17°F | 14 mm | 58% | 51% |
| February | 5°C / 40°F | -9°C / 16°F | 21 mm | 59% | 53% |
| March | 10°C / 51°F | -4°C / 24°F | 25 mm | 52% | 50% |
| April | 13°C / 56°F | -2°C / 28°F | 39 mm | 51% | 55% |
| May | 18°C / 65°F | 2°C / 36°F | 61 mm | 51% | 54% |
| June | 27°C / 80°F | 9°C / 49°F | 33 mm | 42% | 43% |
| July | 28°C / 82°F | 13°C / 55°F | 78 mm | 52% | 50% |
| August | 27°C / 80°F | 12°C / 53°F | 51 mm | 51% | 47% |
| September | 23°C / 74°F | 8°C / 46°F | 41 mm | 49% | 39% |
| October | 16°C / 61°F | 0°C / 32°F | 23 mm | 50% | 40% |
| November | 9°C / 49°F | -4°C / 25°F | 15 mm | 52% | 40% |
| December | 4°C / 38°F | -9°C / 17°F | 14 mm | 58% | 50% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
- Sunglasses
Is September a good time to visit Colorado Springs?
Compare the months in the chart above to find your ideal window.
Best time to visit Colorado Springs →Other United States cities in September
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Colorado Springs weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/colorado-springs/september
<a href="https://weathercompare.eu/weather/usa/colorado-springs/september">Colorado Springs weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/colorado-springs" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Colorado Springs weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/colorado-springs/september">Colorado Springs weather in September</a> – WeatherCompare</p>
Colorado Springs in September: quick answers
Is September a good time to visit Colorado Springs?
Yes. September is one of the best months for Colorado Springs, with highs around 23°C and about 41 mm of rain.
How warm is Colorado Springs in September?
Average highs are about 23°C (74°F) and average lows about 8°C (46°F), based on 10 years of daily data.
Does it rain a lot in Colorado Springs in September?
Colorado Springs typically gets around 41 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Colorado Springs (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.