Denver weather by month › September
Denver in September: weather and what to expect
Yes. September is one of the best months to visit Denver.
September weather in Denver
Daytime high80°F 27°C
Night low49°F 10°C
Rain1.2 in 30 mm
AirDry
SunSunny
In September, Denver averages highs of 80°F (27°C) and lows of 49°F (10°C), with 1.2 in (30 mm) of rain. The air feels dry and the sun is sunny. 1991–2020 averages, not a forecast.
Pack: light layers, a sweater for evenings.
Places with the same weather in September
Match out of 100 for September, one city per country.
- Cochabamba Bolivia · 81°F highs91
- Diepsloot South Africa · 80°F highs88
- Almaty Kazakhstan · 77°F highs88
- Bishkek Kyrgyzstan · 78°F highs87
- Batikent Türkiye · 80°F highs86
- San Miguel de Tucumán Argentina · 80°F highs84
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