September weather forecast
Durango, CO

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A railway passing through the high rocks and cliffs of San Juan Mountains, with an old steam engine train from Durango, Colorado to Silverton
A railway passing through the high rocks and cliffs of San Juan Mountains, with an old steam engine train from Durango, Colorado to Silverton

Weather in September

September brings about a noticeable change in Durango's weather. With the peak temperature lowering to 67.5°F (19.7°C), the shift from summer to fall starts to show. The initial hints of fall colors start to flash in the city's picturesque landscapes. The reduction in daylight hours further underscores this change. A unique blend of lingering summer warmth and emerging autumn coolness makes September a particularly splendid month in Durango.

Temperature

September signifies a gentle decline in Durango's average high-temperature, easing from a warm 73.9°F (23.3°C) in August to an enjoyable 67.5°F (19.7°C). Despite the hot September days, Durango's nights see an average temperature plunge to a frosty 45.1°F (7.3°C).

Humidity

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

Rainfall

In Durango, Colorado, during September, the rain falls for 14.4 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Durango, during the entire year, the rain falls for 113.4 days and collects up to 20.63" (524mm) of precipitation.

Snowfall

In Durango, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:39 pm. On the last day of September, in Durango, Colorado, sunrise is at 7:06 am and sunset at 6:55 pm MDT.

Sunshine

In Durango, the average sunshine in September is 10.9h.

UV index

The average daily maximum UV index in September in Durango is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are September temperatures in Durango?

The average high-temperature, in September, in Durango, is 67.5°F (19.7°C), while the average low-temperature is 45.1°F (7.3°C).

What is the average humidity in September in Durango?

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

How much does it rain in Durango in September?

In Durango, Colorado, in September, during 14.4 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Durango?

In Durango, Colorado, snow does not fall in June through September.

Does it snow in Durango in September?

In Durango, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Durango?

The average day length in September in Durango is 12h and 25min.

When are sunrise and sunset in September in Durango?

On the first day of September in Durango, Colorado, sunrise is at 6:42 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:55 pm MDT.

How many hours of sunshine does Durango have in September?

In Durango, Colorado, the average sunshine duration in September is 10.9h.

How high is the UV index in September in Durango?

In Durango, Colorado, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Durango, CO

Average temperature in September - Durango, CO
  • Average high temperature in September: 67.5°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in September: 45.1°F

The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in September
Durango, CO

Average pressure in September - Durango, 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 April, May and June (29.91"Hg).

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Average wind speed in September
Durango, CO

Average wind speed in September - Durango, CO
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is December (4.9mph).

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Average humidity in September
Durango, CO

Average humidity in September - Durango, CO
  • Average humidity in September: 53%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (37%).

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Average rainfall in September
Durango, CO

Average rainfall in September - Durango, CO
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is June (0.94").

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Average rainfall days in September
Durango, CO

Average rainfall days in September - Durango, CO
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is July (21.5 days).
The month with the least rainy days is November (3.4 days).

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Average snowfall in September
Durango, CO

Average snowfall in September - Durango, CO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (14.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Durango, CO

Average snowfall days in September - Durango, CO
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Durango, CO

Average daylight in September / Average sunshine in September - Durango, 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: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

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Average sunshine days in September
Durango, CO

Average sunshine days in September - Durango, CO
  • Average sunshine days in September: 11.9 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (6.9 days).

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Average UV index in September
Durango, CO

Average UV index in September - Durango, CO
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in September
Durango, CO

Average cloud cover in September - Durango, CO
  • Average cloud cover in September: 15

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 12).

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Average visibility in September
Durango, CO

Average visibility in September - Durango, CO
  • Average visibility in September: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Durango, Colorado, USA

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