Estes Park weather in September
Mild and comfortable, with occasional showers. Average highs of 20°C and lows of 6°C, with around 9 rainy days expected throughout the month.
While September isn't our top-rated month for Estes Park, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
20°C
Average low
6°C
Rainy days
9 days
Best months to visit
Year-round
What to do in Estes Park in September
Whatever the weather, Estes Park rewards curious visitors. Here are some of the best ways to spend your time:
Rocky Mountain National Park full-day exploration drive
Trail Ridge Road scenic drive: 12,000-foot views and tundra
Moraine Park Discovery Center nature interpretation center
Elk viewing in meadows: early morning bugling season
Bear Lake trail hiking: subalpine forest loop walk
Stanley Hotel tour: Overlook Hotel inspiration from King
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
0C
Cold, with some rainy days.
March
4C
Cold, with some rainy days.
April
7C
Cold, with some rainy days.
May
13C
Cool, with frequent heavy rain.
June
21C
Mild and comfortable, with regular rainfall.
July
24C
Mild and comfortable, with regular rainfall.
August
23C
Mild and comfortable, with regular rainfall.
September (you are here)
20C
Mild and comfortable, with occasional showers.
October
12C
Cool, with occasional showers.
November
5C
Cold, with occasional showers.
December
1C
Cold, with occasional showers.
Book your September trip to Estes Park
Find hotels, tours and experiences for the perfect escape.
