Great Sand Dunes weather in September
Mild and comfortable, and mostly sunny skies. Average highs of 23°C and lows of 9°C, with around 4 rainy days expected throughout the month.
✦ This is a recommended month to visit Great Sand Dunes. The combination of weather, atmosphere and experience is at its best.
Average high
23°C
Average low
9°C
Rainy days
4 days
Best months to visit
June, July, August, September
What to do in Great Sand Dunes in September
Whatever the weather, Great Sand Dunes rewards curious visitors. Here are some of the best ways to spend your time:
Dune sledding: plastic saucer descending steep slopes
Dune hiking: Star Dune and High Dune peaks ascent
Medano Creek flowing and summer water splashing
Backcountry dune camping: night sky and silence immersion
Sangre de Cristo Mountain hiking: alpine trails access
Sand boarding: professional lessons on dune faces
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
-1C
Cold, with occasional showers.
February
2C
Cold, with occasional showers.
March
7C
Cold, with occasional showers.
April
13C
Cool, with occasional showers.
May
18C
Mild and comfortable, with occasional showers.
Recommended
June
26C
Warm and pleasant, and mostly sunny skies.
Recommended
July
27C
Warm and pleasant, with occasional showers.
Recommended
August
26C
Warm and pleasant, with occasional showers.
Recommended
September (you are here)
23C
Mild and comfortable, and mostly sunny skies.
October
15C
Cool, and mostly sunny skies.
November
7C
Cold, and mostly sunny skies.
December
1C
Cold, and mostly sunny skies.
Book your September trip to Great Sand Dunes
Find hotels, tours and experiences for the perfect escape.
