September weather forecast
Buffalo Creek, CO

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Weather in September

The first month of the autumn, September, is still a pleasant month in Buffalo Creek, Colorado, with an average temperature fluctuating between 68.9°F (20.5°C) and 45°F (7.2°C).

Temperature

Buffalo Creek observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 74.7°F (23.7°C) to a pleasant 68.9°F (20.5°C). Despite a significant daily temperature range, Buffalo Creek's temperature falls to a steady low-temperature average of 45°F (7.2°C) in September.

Humidity

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

Rainfall

In September, the rain falls for 13.5 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. In Buffalo Creek, Colorado, during the entire year, the rain falls for 134.5 days and collects up to 19.65" (499mm) of precipitation.

Snowfall

Months with snowfall in Buffalo Creek are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Buffalo Creek, during the entire year, snow falls for 60.9 days and aggregates up to 47.28" (1201mm) of snow.

Daylight

In September, the average length of the day in Buffalo Creek, Colorado, is 12h and 26min.
On the first day of September in Buffalo Creek, Colorado, sunrise is at 6:30 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm MDT.

Sunshine

In September, the average sunshine in Buffalo Creek is 10.9h.

UV index

In September, the average daily maximum UV index in Buffalo Creek, Colorado, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 4 during September translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Boost your sun resistance with garments that are densely woven yet spacious. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Buffalo Creek in September?

The high-temperature during September is 68.9°F (20.5°C) and the low-temperature is 45°F (7.2°C).

What is the average humidity in September in Buffalo Creek?

The average relative humidity in September in Buffalo Creek, Colorado, is 51%.

How many days does it rain in September in Buffalo Creek?

In Buffalo Creek, Colorado, in September, it is raining for 13.5 days, with typically 1.5" (38mm) of accumulated precipitation.

When does it start snowing in Buffalo Creek?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow.

What is the average length of the day in September in Buffalo Creek?

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

When are sunrise and sunset in September in Buffalo Creek?

In September, on the first day of the month, sunrise is at 6:30 am and sunset at 7:31 pm. On the last day of the month, in Buffalo Creek, sunrise is at 6:56 am and sunset at 6:44 pm MDT.

How many hours of sunshine does Buffalo Creek have in September?

The average sunshine duration in September in Buffalo Creek, Colorado, is 10.9h.

What is the UV index intensity in September in Buffalo Creek?

The average daily maximum UV index in September in Buffalo Creek is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 visibility

Average temperature in September
Buffalo Creek, CO

Average temperature in September - Buffalo Creek, CO
  • Average high temperature in September: 68.9°F

The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 45°F

The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is February (15.1°F).

Average pressure in September
Buffalo Creek, CO

Average pressure in September - Buffalo Creek, CO
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.92"Hg).

Average wind speed in September
Buffalo Creek, CO

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

The windiest months (with the highest average wind speed) are February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Buffalo Creek, CO

Average humidity in September - Buffalo Creek, CO
  • Average humidity in September: 51%

The month with the highest relative humidity is February (73%).
The month with the lowest relative humidity is June (47%).

Average rainfall in September
Buffalo Creek, CO

Average rainfall in September - Buffalo Creek, CO
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in September
Buffalo Creek, CO

Average rainfall days in September - Buffalo Creek, CO
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (23.7 days).
The month with the least rainy days is November (3.5 days).

Average snowfall in September
Buffalo Creek, CO

Average snowfall in September - Buffalo Creek, CO
  • Average snowfall in September: 0.08"

The month with the highest snowfall is March (9.72").
The months with the least snowfall are July and August (0").

Average snowfall days in September
Buffalo Creek, CO

Average snowfall days in September - Buffalo Creek, CO
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Buffalo Creek, CO

Average daylight in September / Average sunshine in September - Buffalo Creek, 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 24min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in September
Buffalo Creek, CO

Average sunshine days in September - Buffalo Creek, CO
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (4.3 days).

Average UV index in September
Buffalo Creek, CO

Average UV index in September - Buffalo Creek, 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, March, October, November and December (UV index 2).

Average cloud cover in September
Buffalo Creek, CO

Average cloud cover in September - Buffalo Creek, CO
  • Average cloud cover in September: 17

The month with the most cloud cover is April (Cloud cover 28).
The months with the least cloud cover are September, October and November (Cloud cover 17).

Average visibility in September
Buffalo Creek, CO

Average visibility in September - Buffalo Creek, 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).

Buffalo Creek, Colorado, USA

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