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
The start of September involves a subtle temperature drop, shifting from a moderately hot 74.8°F (23.8°C) in August to an agreeable 68°F (20°C). The significant decline in Belleview's temperature, from day to night, averages of 40.6°F (4.8°C) in September.Humidity
In September, the average relative humidity is 52%.Rainfall
In Belleview, in September, it is raining for 6.5 days, with typically 0.51" (13mm) of accumulated precipitation. In Belleview, during the entire year, the rain falls for 66.3 days and collects up to 6.38" (162mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Belleview, during the entire year, snow falls for 41.4 days and aggregates up to 19.88" (505mm) of snow.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:47 pm MDT.
Sunshine
The average sunshine in September is 11h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
How many hours of daylight does Belleview have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Belleview have in September?
What is the UV index reading in September?
Average temperature in September
Belleview, CO
- Average high temperature in September: 68°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 (31.1°F).
- Average low temperature in September: 40.6°F
The month with the highest average low temperature is July (46.8°F).
The coldest months (with the lowest average low temperature) are January and December (10.6°F).
Average pressure in September
Belleview, CO
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is April (29.93"Hg).
Average wind speed in September
Belleview, CO
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are February, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Belleview, CO
- Average humidity in September: 52%
The months with the highest relative humidity are January and February (80%).
The month with the lowest relative humidity is June (41%).
Average rainfall in September
Belleview, CO
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is July (1.34").
The driest months (with the least rainfall) are January and November (0.2").
Average rainfall days in September
Belleview, CO
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is November (1.1 days).
Average snowfall in September
Belleview, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Belleview, CO
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is March (7.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Belleview, CO
- Average daylight in September: 12h and 2min
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 0min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).
Average sunshine days in September
Belleview, CO
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is November (25.9 days).
The month with the least sunshine days is July (16.4 days).
Average UV index in September
Belleview, CO
- Average UV index in September: 3
The months with the highest UV index are June and July (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
Belleview, CO
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Belleview, CO
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Belleview, Colorado, USA
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