Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As September begins in Estes Park, there is a minor decrease in the average high-temperature, softly falling from an agreeable 71.2°F (21.8°C) in August to a refreshing 64.9°F (18.3°C). Estes Park reports a significant contrast between daytime and nighttime temperatures, with an average low of 41.9°F (5.5°C) in September.Humidity
In September, the average relative humidity is 51%.Rainfall
In Estes Park, during September, the rain falls for 9 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 117 rainfall days, and 23.35" (593mm) of precipitation is accumulated.Snowfall
Months with snowfall in Estes Park are January through June, August through December. In September, it is snowing for 1.1 days. Throughout September, 0.71" (18mm) of snow is accumulated. Throughout the year, in Estes Park, Colorado, there are 114.1 snowfall days, and 105.67" (2684mm) of snow is accumulated.Daylight
The average length of the day in September in Estes Park is 12h and 26min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:45 pm MDT.
Sunshine
In Estes Park, Colorado, the average sunshine in September is 10.5h.UV index
In September, the average daily maximum UV index in Estes Park, Colorado, is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are September temperatures in Estes Park?
What is the average humidity in September in Estes Park?
How much does it rain in Estes Park in September?
How much does it snow in Estes Park in September?
What is the average length of the day in September in Estes Park?
What time are sunrise and sunset in September in Estes Park?
How many hours of sunshine does Estes Park have in September?
What is the UV index intensity in September in Estes Park?
Average temperature in September
Estes Park, CO
- Average high temperature in September: 64.9°F
The warmest month (with the highest average high temperature) is July (72.5°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in September: 41.9°F
The month with the highest average low temperature is July (49.3°F).
The coldest months (with the lowest average low temperature) are February and December (12.6°F).
Average pressure in September
Estes Park, CO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Estes Park, CO
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Estes Park, CO
- Average humidity in September: 51%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is June (50%).
Average rainfall in September
Estes Park, CO
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in September
Estes Park, CO
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (3.6 days).
Average snowfall in September
Estes Park, CO
- Average snowfall in September: 0.71"
The month with the highest snowfall is April (21.3").
The month with the least snowfall is July (0").
Average snowfall days in September
Estes Park, CO
- Average snowfall days in September: 1.1 days
The month with the highest number of snowfall days is March (16.8 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Estes Park, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in September
Estes Park, CO
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is September (19.4 days).
The month with the least sunshine days is May (8.2 days).
Average UV index in September
Estes Park, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Estes Park, CO
- Average cloud cover in September: 22
The months with the most cloud cover are February and May (Cloud cover 39).
The months with the least cloud cover are June and September (Cloud cover 22).
Average visibility in September
Estes Park, CO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Estes Park, Colorado, USA
Weather forecast for your location
2. Allow the app to use your location
