September weather forecastBuena Vista, CO
September
Weather in September
September, the first month of the autumn in Buena Vista, is still a refreshing month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 38.1°F (3.4°C).Temperature
During September, the average high-temperature is an enjoyable 63.1°F (17.3°C), maintaining a close resemblance to that of the preceding month. September nights bring a pronounced temperature shift, with averages hovering around a cold 38.1°F (3.4°C).Humidity
The average relative humidity in September is 55%.Rainfall
In September, the rain falls for 11.2 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 121.5 rainfall days, and 15.2" (386mm) of precipitation is accumulated.Snowfall
January through June, August through December are months with snowfall. In September, in Buena Vista, it is snowing for 1.4 days. Throughout September, 0.39" (10mm) of snow is accumulated. In Buena Vista, during the entire year, snow falls for 106.6 days and aggregates up to 62.44" (1586mm) of snow.Daylight
In Buena Vista, the average length of the day in September is 12h and 25min.On the first day of September in Buena Vista, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:48 pm MDT.
Sunshine
The average sunshine in September in Buena Vista is 11.1h.UV index
In Buena Vista, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Buena Vista, CO
- Average high temperature in September: 63.1°F
The warmest month (with the highest average high temperature) is July (70.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 38.1°F
The month with the highest average low temperature is July (44.2°F).
The coldest months (with the lowest average low temperature) are January and December (6.6°F).
Average pressure in September
Buena Vista, CO
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is April (29.94"Hg).
Average wind speed in September
Buena Vista, CO
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are February and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in September
Buena Vista, CO
- Average humidity in September: 55%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is June (46%).
Average rainfall in September
Buena Vista, CO
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (2.52").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in September
Buena Vista, CO
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (4.4 days).
Average snowfall in September
Buena Vista, CO
- Average snowfall in September: 0.39"
The month with the highest snowfall is March (11.02").
The month with the least snowfall is July (0").
Average snowfall days in September
Buena Vista, CO
- Average snowfall days in September: 1.4 days
The month with the highest number of snowfall days is February (16.9 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Buena Vista, 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 30min).
- Average sunshine in September: 11h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in September
Buena Vista, CO
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Buena Vista, 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 January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Buena Vista, CO
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Buena Vista, CO
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
