Denver in September

Warm and pleasant, and mostly sunny skies.

Loading live weather...

Denver weather in September

Warm and pleasant, and mostly sunny skies. Average highs of 27°C and lows of 11°C, with around 4 rainy days expected throughout the month.

✦ This is a recommended month to visit Denver. The combination of weather, atmosphere and experience is at its best.

Average high
27°C
Average low
11°C
Rainy days
4 days
Best months to visit
June, July, August, September

What to do in Denver in September

Whatever the weather, Denver rewards curious visitors. Here are some of the best ways to spend your time:

Explore Dine Culture Nature Shopping Day trips

What to pack for September

Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.

Browse other months

January
5C
Cold, with occasional showers.
February
6C
Cold, with occasional showers.
March
11C
Cool, with occasional showers.
April
16C
Cool, with occasional showers.
May
20C
Mild and comfortable, with some rainy days.
Recommended
June
28C
Warm and pleasant, with occasional showers.
Recommended
July
31C
Hot and humid, with occasional showers.
Recommended
August
30C
Hot and humid, with occasional showers.
Recommended
September (you are here)
27C
Warm and pleasant, and mostly sunny skies.
October
19C
Mild and comfortable, with occasional showers.
November
11C
Cool, with occasional showers.
December
6C
Cold, and mostly sunny skies.

Book your September trip to Denver

Find hotels, tours and experiences for the perfect escape.

More dream destinations