September weather forecast
Gilcrest, CO

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Weather in September

September, the first month of the autumn in Gilcrest, is also a moderately hot month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 53.4°F (11.9°C).

Temperature

The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a hot 87.8°F (31°C) in August to a moderately hot 79.7°F (26.5°C). Despite the stark contrast with daytime temperatures, Gilcrest's September nights average at a cool 53.4°F (11.9°C).

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 42%.

Rainfall

In Gilcrest, in September, during 4.4 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. In Gilcrest, during the entire year, the rain falls for 66.3 days and collects up to 4.02" (102mm) of precipitation.

Snowfall

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

Daylight

In Gilcrest, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of September, in Gilcrest, sunrise is at 6:55 am and sunset at 6:42 pm MDT.

Sunshine

In September, the average sunshine is 10.9h.

UV index

In Gilcrest, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 4 in September leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What is the temperature in September in Gilcrest?

In September, the average high-temperature and low-temperature in Gilcrest are 79.7°F (26.5°C) and 53.4°F (11.9°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 87.8°F (31°C).

What is the least humid month in Gilcrest?

August and September, with an average relative humidity of 42%, are the least humid months in Gilcrest.

What is the average humidity in September in Gilcrest?

The average relative humidity in September is 42%.

How much does it rain in Gilcrest in September?

In Gilcrest, during September, the rain falls for 4.4 days and regularly aggregates up to 0.2" (5mm) of precipitation.

When it does not snow in Gilcrest?

June through September are months without snowfall in Gilcrest.

Does it snow in Gilcrest in September?

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

How many hours of daylight does Gilcrest have in September?

The average day length in September in Gilcrest is 12h and 26min.

When are sunrise and sunset in September in Gilcrest?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of the month, in Gilcrest, Colorado, sunrise is at 6:55 am and sunset at 6:42 pm MDT.

How long on average sun shines in September in Gilcrest?

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

What is the UV index reading in September in Gilcrest?

In Gilcrest, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Gilcrest, CO

Average temperature in September - Gilcrest, CO
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (39.9°F).

  • Average low temperature in September: 53.4°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

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Average pressure in September
Gilcrest, CO

Average pressure in September - Gilcrest, CO
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Gilcrest, CO

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

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is December (5.5mph).

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Average humidity in September
Gilcrest, CO

Average humidity in September - Gilcrest, CO
  • Average humidity in September: 42%

The months with the highest relative humidity are January and February (64%).
The months with the lowest relative humidity are August and September (42%).

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Average rainfall in September
Gilcrest, CO

Average rainfall in September - Gilcrest, CO
  • Average rainfall in September: 0.2"

The wettest month (with the highest rainfall) is May (0.67").
The driest months (with the least rainfall) are January and December (0.12").

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Average rainfall days in September
Gilcrest, CO

Average rainfall days in September - Gilcrest, CO
  • Average rainfall days in September: 4.4 days

The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and November (3 days).

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Average snowfall in September
Gilcrest, CO

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

The month with the highest snowfall is February (1.73").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Gilcrest, CO

Average snowfall days in September - Gilcrest, CO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in September
Gilcrest, CO

Average sunshine days in September - Gilcrest, CO
  • Average sunshine days in September: 21.7 days

The month with the most sunshine days is December (26.3 days).
The month with the least sunshine days is July (17.3 days).

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Average UV index in September
Gilcrest, CO

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Gilcrest, CO

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

The months with the most cloud cover are February and April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 15).

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Average visibility in September
Gilcrest, CO

Average visibility in September - Gilcrest, 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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Gilcrest, Colorado, USA

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