September weather forecast
Fort Garland, CO

Weather in September

The first month of the autumn, September, is still a pleasant month in Fort Garland, Colorado, with an average temperature fluctuating between 45°F (7.2°C) and 68.5°F (20.3°C).

Temperature

In September, the average high-temperature slightly decreases from a moderately hot 74.3°F (23.5°C) in August to an agreeable 68.5°F (20.3°C). In September, the average low-temperature is 45°F (7.2°C).

Humidity

In Fort Garland, the average relative humidity in September is 53%.

Rainfall

In Fort Garland, Colorado, during September, the rain falls for 12.5 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in Fort Garland, there are 125.5 rainfall days, and 19.84" (504mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Fort Garland are January through June, September through December. 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 Fort Garland, Colorado, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:47 pm MDT.

Sunshine

In Fort Garland, the average sunshine in September is 11.1h.

UV index

In Fort Garland, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to 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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in Fort Garland?

In September, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 45°F (7.2°C).

What is the average humidity in September in Fort Garland?

In Fort Garland, Colorado, the average relative humidity in September is 53%.

How many days does it rain in September in Fort Garland?

In September, in Fort Garland, Colorado, the rain falls for 12.5 days. Throughout September, 1.38" (35mm) of precipitation is accumulated.

When does it start to snow in Fort Garland?

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.

What is the average length of the day in September in Fort Garland?

In Fort Garland, Colorado, the average day length in September is 12h and 25min.

When are sunrise and sunset in September in Fort Garland?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:31 pm. On the last day of the month, in Fort Garland, Colorado, sunrise is at 6:56 am and sunset at 6:47 pm MDT.

How many hours of sunshine does Fort Garland have in September?

The average sunshine duration in September in Fort Garland is 11.1h.

What is the UV index reading in September in Fort Garland?

The average daily maximum UV index in September in Fort Garland, Colorado, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Fort Garland, CO

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).

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Average pressure in September
Fort Garland, CO

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).

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Average wind speed in September
Fort Garland, CO

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).

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Average humidity in September
Fort Garland, CO

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%).

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Average rainfall in September
Fort Garland, CO

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").

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Average rainfall days in September
Fort Garland, CO

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).

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Average snowfall in September
Fort Garland, CO

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").

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Average snowfall days in September
Fort Garland, CO

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).

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Average daylight in September /
Average sunshine in September
Fort Garland, CO

Average daylight in September / Average sunshine in September - Fort Garland, CO
  • Average daylight in September: 12h and 25min

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 38min).

  • Average sunshine in September: 11h and 6min

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).

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Average sunshine days in September
Fort Garland, CO

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).

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Average UV index in September
Fort Garland, CO

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).

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Average cloud cover in September
Fort Garland, CO

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).

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Average visibility in September
Fort Garland, CO

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).

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