September weather forecast and climate
Pieplant Mill, CO

Weather in September

The first month of the autumn, September, is also a moderate month in Pieplant Mill, Colorado, with average temperature ranging between min 34.3°F (1.3°C) and max 58.8°F (14.9°C).

Temperature

In Pieplant Mill, the average high-temperature slightly decreases, from a comfortable 64.8°F (18.2°C) in August, to a moderate 58.8°F (14.9°C). In Pieplant Mill, Colorado, the average low-temperature is 34.3°F (1.3°C).

Humidity

In September, the average relative humidity is 59%.

Rainfall

In September, the rain falls for 11.8 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Pieplant Mill, there are 120.6 rainfall days, and 19.29" (490mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In Pieplant Mill, during September, snow falls for 3.2 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, in Pieplant Mill, there are 142.6 snowfall days, and 90.39" (2296mm) of snow is accumulated.

Daylight

In Pieplant Mill, Colorado, the average length of the day is 12.4h.

Sunshine

In Pieplant Mill, the average sunshine is 10.8h.

UV index

In September, the average daily maximum UV index in Pieplant Mill, Colorado, is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 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. A wide-brim hat offers excellent sun protection for 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 Pieplant Mill?

In Pieplant Mill, Colorado, in September, the average high-temperature is 58.8°F (14.9°C), and the average low-temperature is 34.3°F (1.3°C).

What is the average humidity in September in Pieplant Mill?

The average relative humidity in September in Pieplant Mill is 59%.

How many days does it rain in September in Pieplant Mill?

In September, the rain falls for 11.8 days. Throughout September, 1.3" (33mm) of precipitation is accumulated.

How many days does it snow in September in Pieplant Mill?

In Pieplant Mill, Colorado, in September, during 3.2 snowfall days, 1.14" (29mm) of snow is typically accumulated.

How many hours of daylight does Pieplant Mill have in September?

In Pieplant Mill, the average length of the day in September is 12.4h.

How many hours of sunshine does Pieplant Mill have in September?

In Pieplant Mill, Colorado, the average sunshine in September is 10.8h.

What is the UV index intensity in September in Pieplant Mill?

In September, the average daily maximum UV index in Pieplant Mill, Colorado, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.

Average temperature in September
Pieplant Mill, CO

Average temperature in September - Pieplant Mill, CO
  • Average high temperature in September: 58.8°F

The warmest month (with the highest average high temperature) is July (66.7°F).
The month with the lowest average high temperature is December (23.5°F).

  • Average low temperature in September: 34.3°F

The month with the highest average low temperature is July (40.1°F).
The coldest months (with the lowest average low temperature) are January and December (2.7°F).

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Average pressure in September
Pieplant Mill, CO

Average pressure in September - Pieplant Mill, CO
  • Average pressure in September: 30.06"

The month with the highest atmospheric pressure is January (30.2").
The month with the lowest atmospheric pressure is April (29.94").

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Average wind speed in September
Pieplant Mill, CO

Average wind speed in September - Pieplant Mill, CO
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

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Average humidity in September
Pieplant Mill, CO

Average humidity in September - Pieplant Mill, CO
  • Average humidity in September: 59%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (51%).

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Average rainfall in September
Pieplant Mill, CO

Average rainfall in September - Pieplant Mill, CO
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is November (0.91").

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Average rainfall days in September
Pieplant Mill, CO

Average rainfall days in September - Pieplant Mill, CO
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (3.9 days).

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Average snowfall in September
Pieplant Mill, CO

Average snowfall in September - Pieplant Mill, CO
  • Average snowfall in September: 1.14"

The month with the highest snowfall is March (15.08").
The month with the least snowfall is August (0.31").

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Average snowfall days in September
Pieplant Mill, CO

Average snowfall days in September - Pieplant Mill, CO
  • Average snowfall days in September: 3.2 days

The month with the highest number of snowfall days is March (20 days).
The month with the least snowfall days is August (1.3 days).

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Average daylight in September /
Average sunshine in September
Pieplant Mill, CO

Average daylight in September / Average sunshine in September - Pieplant Mill, CO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 10.8h

The month with the most sunshine is June (Average sunshine: 11.6h).
The month with the least sunshine is February (Average sunshine: 5.7h).

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Average sunshine days in September
Pieplant Mill, CO

Average sunshine days in September - Pieplant Mill, CO
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (6.1 days).

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Average UV index in September
Pieplant Mill, CO

Average UV index in September - Pieplant Mill, CO
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 4).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in September
Pieplant Mill, CO

Average cloud cover in September - Pieplant Mill, CO
  • Average cloud cover in September: 20

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 17).

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Average visibility in September
Pieplant Mill, CO

Average visibility in September - Pieplant Mill, CO
  • Average visibility in September: 6mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February and December (4mi).

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