Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's moderately hot 74.7°F (23.7°C) to a pleasant 68.9°F (20.5°C). Despite the high peak temperatures, Westcreek witnesses an average nighttime cooling to a chilly 45°F (7.2°C) in September.Humidity
In Westcreek, Colorado, the average relative humidity in September is 51%.Rainfall
In Westcreek, Colorado, in September, during 13.5 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 134.5 rainfall days, and 19.65" (499mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. 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 Westcreek, during the entire year, snow falls for 60.9 days and aggregates up to 47.28" (1201mm) of snow.Daylight
In Westcreek, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:44 pm MDT.
Sunshine
The average sunshine in September is 10.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What are September temperatures in Westcreek?
What is the average humidity in September in Westcreek?
How much does it rain in Westcreek in September?
When does it start to snow in Westcreek?
What is the average length of the day in September in Westcreek?
When is the sunrise / sunset in September in Westcreek?
How many hours of sunshine does Westcreek have in September?
What is the UV index reading in September in Westcreek?
Average temperature in September
Westcreek, 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
Westcreek, 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
Westcreek, 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
Westcreek, 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
Westcreek, 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
Westcreek, 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
Westcreek, 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
Westcreek, 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
Westcreek, 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 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
Westcreek, 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
Westcreek, 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
Westcreek, 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
Westcreek, 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).
Westcreek, Colorado, USA
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