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
In Green Mountain Falls, the average high-temperature in September marginally drops from an agreeable 73.2°F (22.9°C) in August to an enjoyable 67.6°F (19.8°C). In Green Mountain Falls, in September, the average low-temperature is 44.4°F (6.9°C).Humidity
In Green Mountain Falls, Colorado, the average relative humidity in September is 54%.Rainfall
In September, the rain falls for 9.8 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. In Green Mountain Falls, during the entire year, the rain falls for 103.9 days and collects up to 19.69" (500mm) of precipitation.Snowfall
In Green Mountain Falls, snow does not fall in July through September.Daylight
In Green Mountain Falls, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:29 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:44 pm MDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
In Green Mountain Falls, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the temperature in September in Green Mountain Falls?
What is the average humidity in September in Green Mountain Falls?
How many days does it rain in September in Green Mountain Falls?
When it does not snow in Green Mountain Falls?
Does it snow in Green Mountain Falls in September?
How many hours of daylight does Green Mountain Falls have in September?
What time are sunrise and sunset in September in Green Mountain Falls?
How long on average sun shines in September in Green Mountain Falls?
What is the UV index intensity in September in Green Mountain Falls?
Average temperature in September
Green Mountain Falls, CO
- Average high temperature in September: 67.6°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in September: 44.4°F
The month with the highest average low temperature is July (50.7°F).
The coldest month (with the lowest average low temperature) is December (14.5°F).
Average pressure in September
Green Mountain Falls, CO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in September
Green Mountain Falls, CO
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Green Mountain Falls, CO
- Average humidity in September: 54%
The month with the highest relative humidity is February (73%).
The month with the lowest relative humidity is June (49%).
Average rainfall in September
Green Mountain Falls, CO
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is November (0.59").
Average rainfall days in September
Green Mountain Falls, CO
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (2.4 days).
Average snowfall in September
Green Mountain Falls, CO
- Average snowfall in September: 0"
The month with the highest snowfall is April (12.52").
The months with the least snowfall are July, August and September (0").
Average snowfall days in September
Green Mountain Falls, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is April (13 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Green Mountain Falls, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- 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 18min).
Average sunshine days in September
Green Mountain Falls, CO
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is April (10.6 days).
Average UV index in September
Green Mountain Falls, CO
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Green Mountain Falls, CO
- Average cloud cover in September: 22
The month with the most cloud cover is April (Cloud cover 34).
The months with the least cloud cover are June and November (Cloud cover 21).
Average visibility in September
Green Mountain Falls, 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).
Weather forecast for your location
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location
