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
A modest decline in the average high-temperature is seen during September, decreasing from a pleasant 72°F (22.2°C) in August to a refreshing 64.4°F (18°C). September's nights in Coalmont exhibit a sharp contrast from day highs, with an average temperature of 38.3°F (3.5°C).Humidity
In September, the average relative humidity is 52%.Rainfall
In Coalmont, in September, it is raining for 7.1 days, with typically 0.63" (16mm) of accumulated precipitation. In Coalmont, during the entire year, the rain falls for 72.4 days and collects up to 10.67" (271mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Coalmont. Throughout September, in the average 1.6 snowfall days, it receives 0.63" (16mm) of snow. Throughout the year, in Coalmont, Colorado, there are 96.4 snowfall days, and 57.44" (1459mm) of snow is accumulated.Daylight
The average length of the day in September in Coalmont is 12h and 27min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:48 pm MDT.
Sunshine
In Coalmont, Colorado, the average sunshine in September is 11h.UV index
The average daily maximum UV index in September in Coalmont, Colorado, is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Coalmont in September?
What is the average humidity in September in Coalmont?
How much does it rain in Coalmont in September?
When does it start snowing in Coalmont?
How many hours of daylight does Coalmont have in September?
When is the sunrise / sunset in September in Coalmont?
How long on average sun shines in September in Coalmont?
What is the UV index intensity in September in Coalmont?
Average temperature in September
Coalmont, CO
- Average high temperature in September: 64.4°F
The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is December (23.9°F).
- Average low temperature in September: 38.3°F
The month with the highest average low temperature is July (45°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).
Average pressure in September
Coalmont, CO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The months with the lowest atmospheric pressure are May and June (29.92"Hg).
Average wind speed in September
Coalmont, CO
- Average wind speed in September: 6.8mph
The windiest months (with the highest average wind speed) are February and June (7.8mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Coalmont, CO
- Average humidity in September: 52%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (50%).
Average rainfall in September
Coalmont, CO
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is May (1.18").
The driest months (with the least rainfall) are August and November (0.59").
Average rainfall days in September
Coalmont, CO
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is July (12.2 days).
The month with the least rainy days is November (1.2 days).
Average snowfall in September
Coalmont, CO
- Average snowfall in September: 0.63"
The month with the highest snowfall is February (8.39").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Coalmont, CO
- Average snowfall days in September: 1.6 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Coalmont, 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: 11h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Coalmont, CO
- Average sunshine days in September: 20 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in September
Coalmont, 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
Coalmont, CO
- Average cloud cover in September: 15
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and September (Cloud cover 15).
Average visibility in September
Coalmont, CO
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Coalmont, Colorado, USA
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