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
As Lay enters September, the average high-temperature subtly lowers from the a warm 80.6°F (27°C) of August to an agreeable 72.5°F (22.5°C). Lay logs a substantial downturn to a frosty 46.2°F (7.9°C) during September nights, a considerable shift from daytime highs.Humidity
In Lay, the average relative humidity in September is 42%.Rainfall
August and September are months with the least rain in Lay when the rain falls for 6.2 days and typically aggregates up to 0.39" (10mm) of rain.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Lay, during the entire year, snow falls for 68.6 days and aggregates up to 41.3" (1049mm) of snow.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:54 pm MDT.
Sunshine
The average sunshine in September in Lay is 11h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. 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. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the usual temperature for Lay in September?
What is the average humidity in September in Lay?
What is the driest month in Lay?
How much does it rain in Lay in September?
When does it start to snow in Lay?
How many hours of daylight does Lay have in September?
When is the sunrise / sunset in September in Lay?
How long on average sun shines in September in Lay?
What is the UV index intensity in September in Lay?
Average temperature in September
Lay, CO
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 46.2°F
The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Lay, CO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.92"Hg).
Average wind speed in September
Lay, CO
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in September
Lay, CO
- Average humidity in September: 42%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Lay, CO
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is April (1.38").
The driest months (with the least rainfall) are August and September (0.39").
Average rainfall days in September
Lay, CO
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in September
Lay, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Lay, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lay, 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 18min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Lay, CO
- Average sunshine days in September: 21.6 days
The month with the most sunshine days is June (22.8 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in September
Lay, CO
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Lay, CO
- Average cloud cover in September: 12
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in September
Lay, CO
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Lay, Colorado, USA
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