September weather forecast
Coaldale, CO

Weather in September

The first month of the autumn, September, is also an agreeable month in Coaldale, Colorado, with an average temperature varying between 68.5°F (20.3°C) and 41.2°F (5.1°C).

Temperature

In Coaldale, the average high-temperature in September slightly decreases from a moderately hot 74.8°F (23.8°C) in August to a pleasant 68.5°F (20.3°C). In Coaldale, the average low-temperature is 41.2°F (5.1°C).

Humidity

In September, the average relative humidity is 51%.

Rainfall

In Coaldale, Colorado, during September, the rain falls for 6 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 58.1 rainfall days, and 5.83" (148mm) of precipitation is accumulated.

Snowfall

In Coaldale, snow does not fall in July through September.

Daylight

In Coaldale, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:48 pm MDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Coaldale, Colorado, is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Coaldale?

In Coaldale, Colorado, in September, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 41.2°F (5.1°C).

What is the average humidity in September in Coaldale?

In September, the average relative humidity in Coaldale is 51%.

How many days does it rain in September in Coaldale?

In Coaldale, in September, it is raining for 6 days, with typically 0.39" (10mm) of accumulated precipitation.

When it does not snow in Coaldale?

July through September are months without snowfall in Coaldale.

Does it snow in Coaldale in September?

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

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

In Coaldale, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Coaldale?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:33 pm. On the last day of the month, in Coaldale, Colorado, sunrise is at 6:57 am and sunset at 6:48 pm MDT.

How many hours of sunshine does Coaldale have in September?

The average sunshine duration in September in Coaldale is 10.9h.

What is the UV index reading in September in Coaldale?

In Coaldale, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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
Coaldale, CO

Average temperature in September - Coaldale, CO
  • Average high temperature in September: 68.5°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 41.2°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

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Average pressure in September
Coaldale, CO

Average pressure in September - Coaldale, CO
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is April (29.93"Hg).

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Average wind speed in September
Coaldale, CO

Average wind speed in September - Coaldale, CO
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in September
Coaldale, CO

Average humidity in September - Coaldale, CO
  • Average humidity in September: 51%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (41%).

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Average rainfall in September
Coaldale, CO

Average rainfall in September - Coaldale, CO
  • Average rainfall in September: 0.39"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is January (0.2").

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Average rainfall days in September
Coaldale, CO

Average rainfall days in September - Coaldale, CO
  • Average rainfall days in September: 6 days

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (1.2 days).

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Average snowfall in September
Coaldale, CO

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

The month with the highest snowfall is February (3.43").
The months with the least snowfall are July, August and September (0").

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Average snowfall days in September
Coaldale, CO

Average snowfall days in September - Coaldale, CO
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is February (7.6 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
Coaldale, CO

Average daylight in September / Average sunshine in September - Coaldale, CO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

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Average sunshine days in September
Coaldale, CO

Average sunshine days in September - Coaldale, CO
  • Average sunshine days in September: 22.1 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (15.6 days).

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Average UV index in September
Coaldale, CO

Average UV index in September - Coaldale, CO
  • Average UV index in September: 3

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).

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Average cloud cover in September
Coaldale, CO

Average cloud cover in September - Coaldale, CO
  • Average cloud cover in September: 18

The month with the most cloud cover is February (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 15).

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Average visibility in September
Coaldale, CO

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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