September weather forecast
Peyton, CO

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Weather in September

The first month of the autumn, September, is also an agreeable month in Peyton, Colorado, with an average temperature fluctuating between 9.4°C (48.9°F) and 21.5°C (70.7°F).

Temperature

As August makes way for September, Peyton's average high-temperature eases from a warm 24.8°C (76.6°F) to a pleasant 21.5°C (70.7°F). September nights in Peyton are characterized by a notable drop from daytime highs, with an average low-temperature of 9.4°C (48.9°F).

Humidity

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

Rainfall

In September, in Peyton, the rain falls for 11.5 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Peyton, during the entire year, the rain falls for 117.8 days and collects up to 443mm (17.44") of precipitation.

Snowfall

Months with snowfall in Peyton are January through May, September through December. September is the first month it typically snows in Peyton. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. In Peyton, Colorado, during the entire year, snow falls for 63.1 days and aggregates up to 883mm (34.76") of snow.

Daylight

In September, the average length of the day in Peyton is 12h and 26min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:27 pm. On the last day of September, in Peyton, sunrise is at 6:53 am and sunset at 6:41 pm MDT.

Sunshine

In Peyton, the average sunshine in September is 10.5h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Act with care - The need to guard against sun damage is communicated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What are September temperatures in Peyton?

The average high-temperature, in September, in Peyton, is 21.5°C (70.7°F), while the average low-temperature is 9.4°C (48.9°F).

What is the average humidity in September in Peyton?

The average relative humidity in September in Peyton is 51%.

How much does it rain in Peyton in September?

In Peyton, Colorado, in September, it is raining for 11.5 days, with typically 31mm (1.22") of accumulated precipitation.

When does it start to snow in Peyton?

September is the first month it typically snows in Peyton. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow.

How many hours of daylight does Peyton have in September?

In September, the average day length in Peyton, Colorado, is 12h and 26min.

What time are sunrise and sunset in September in Peyton?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:41 pm MDT.

How many hours of sunshine does Peyton have in September?

In Peyton, Colorado, the average sunshine duration in September is 10.5h.

How high is the UV index in September in Peyton?

In September, the average daily maximum UV index in Peyton, Colorado, 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Peyton, CO

Average temperature in September - Peyton, CO
  • Average high temperature in September: 21.5°C

The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is December (2.4°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is December (-7.5°C).

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Average pressure in September
Peyton, CO

Average pressure in September - Peyton, CO
  • Average pressure in September: 1016.1mbar

The month with the highest atmospheric pressure is January (1019.9mbar).
The month with the lowest atmospheric pressure is April (1012.4mbar).

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Average wind speed in September
Peyton, CO

Average wind speed in September - Peyton, CO
  • Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is April (15.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).

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Average humidity in September
Peyton, CO

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

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is June (48%).

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Average rainfall in September
Peyton, CO

Average rainfall in September - Peyton, CO
  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is July (80mm).
The driest month (with the least rainfall) is December (13mm).

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Average rainfall days in September
Peyton, CO

Average rainfall days in September - Peyton, CO
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in September
Peyton, CO

Average snowfall in September - Peyton, CO
  • Average snowfall in September: 2mm

The month with the highest snowfall is April (163mm).
The months with the least snowfall are June, July and August (0mm).

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Average snowfall days in September
Peyton, CO

Average snowfall days in September - Peyton, CO
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is February (11.6 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
Peyton, CO

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 10h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

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Average sunshine days in September
Peyton, CO

Average sunshine days in September - Peyton, CO
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (8.3 days).

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Average UV index in September
Peyton, CO

Average UV index in September - Peyton, 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, October, November and December (UV index 2).

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Average cloud cover in September
Peyton, CO

Average cloud cover in September - Peyton, CO
  • Average cloud cover in September: 20

The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are June, October and November (Cloud cover 19).

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Average visibility in September
Peyton, CO

Average visibility in September - Peyton, CO
  • Average visibility in September: 10km

The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April, May and December (9km).

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Peyton, Colorado, USA

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