September weather forecast
Coaldale, CO

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Weather in September

September, the first month of the autumn in Coaldale, is still a pleasant month, with an average temperature ranging between max 68.5°F (20.3°C) and min 41.2°F (5.1°C).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 74.8°F (23.8°C) to an agreeable 68.5°F (20.3°C). Coaldale, in September, experiences a marked contrast from daytime zeniths to a steady average low-temperature of 41.2°F (5.1°C).

Humidity

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

Rainfall

In September, the rain falls for 6 days. Throughout September, 0.39" (10mm) of precipitation is accumulated. Throughout the year, in Coaldale, 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 6:33 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:46 pm MDT.

Sunshine

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

UV index

In Coaldale, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 3 during September leads to these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What are September temperatures in Coaldale?

September temperatures in Coaldale vary between a high-temperature of 68.5°F (20.3°C) and a low-temperature of 41.2°F (5.1°C).

What is the average humidity in September in Coaldale?

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

How much does it rain in Coaldale in September?

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

When it does not snow in Coaldale?

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

Does it snow in Coaldale in September?

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

How many hours of daylight does Coaldale have in September?

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

When are sunrise and sunset in September in Coaldale?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm MDT.

How many hours of sunshine does Coaldale have in September?

The average sunshine duration in September is 10.9h.

What is the UV index intensity 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 exposure to the Sun's UV radiation.
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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Coaldale, Colorado, USA

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