September weather forecastLake City, CO
September
Weather in September
September, the first month of the autumn in Lake City, is still a mild month, with an average temperature varying between 36.1°F (2.3°C) and 57.9°F (14.4°C).Temperature
September ushers in an average high-temperature of a still refreshing 57.9°F (14.4°C), aligning closely with the preceding month. Lake City observes a dramatic plunge from daytime highs in September, settling at an average low-temperature of 36.1°F (2.3°C).Humidity
In Lake City, the average relative humidity in September is 62%.Rainfall
In September, the rain falls for 13 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Lake City, Colorado, during the entire year, the rain falls for 98.2 days and collects up to 26.65" (677mm) of precipitation.Snowfall
Months with snowfall are January through June, August through December. In September, it is snowing for 2.4 days. Throughout September, 1.77" (45mm) of snow is accumulated. Throughout the year, there are 102 snowfall days, and 101.02" (2566mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:39 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm MDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
The average daily maximum UV index in September in Lake City is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 3 in September transforms into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lake City, CO
- Average high temperature in September: 57.9°F
The warmest month (with the highest average high temperature) is July (65.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 36.1°F
The month with the highest average low temperature is July (43.2°F).
The coldest month (with the lowest average low temperature) is January (2.8°F).
Average pressure in September
Lake City, CO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).
Average wind speed in September
Lake City, CO
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in September
Lake City, CO
- Average humidity in September: 62%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (47%).
Average rainfall in September
Lake City, CO
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Lake City, CO
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (23.8 days).
The months with the least rainy days are January and February (1.3 days).
Average snowfall in September
Lake City, CO
- Average snowfall in September: 1.77"
The month with the highest snowfall is March (16.26").
The month with the least snowfall is July (0").
Average snowfall days in September
Lake City, CO
- Average snowfall days in September: 2.4 days
The month with the highest number of snowfall days is April (16.5 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Lake City, CO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 42min).
Average sunshine days in September
Lake City, CO
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (5.3 days).
Average UV index in September
Lake City, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Lake City, CO
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Lake City, CO
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





