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
The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 74.3°F (23.5°C) in August to an agreeable 68.5°F (20.3°C). Fort Garland's average low-temperature for the month of September denotes a significant decline from the daily high, recording at a chilly 45°F (7.2°C).Humidity
The average relative humidity in September in Fort Garland is 53%.Rainfall
In Fort Garland, in September, during 12.5 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 125.5 rainfall days, and 19.84" (504mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Fort Garland. Throughout September, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 73.4 snowfall days, and 53.07" (1348mm) of snow is accumulated.Daylight
In September, the average length of the day in Fort Garland is 12h and 25min.On the first day of September, sunrise is at 6:32 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:45 pm MDT.
Sunshine
In September, the average sunshine in Fort Garland is 11.1h.UV index
In Fort Garland, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
When is the sunrise / sunset in September in Fort Garland?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Fort Garland, CO
- Average high temperature in September: 68.5°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 45°F
The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in September
Fort Garland, CO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).
Average wind speed in September
Fort Garland, CO
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are February, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Fort Garland, CO
- Average humidity in September: 53%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (43%).
Average rainfall in September
Fort Garland, CO
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in September
Fort Garland, CO
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in September
Fort Garland, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is March (9.37").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Fort Garland, CO
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Fort Garland, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Fort Garland, CO
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (6 days).
Average UV index in September
Fort Garland, CO
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Fort Garland, CO
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Fort Garland, 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).
Fort Garland, Colorado, USA
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