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 is characterized by a slight reduction in average high-temperature, easing from a hot 87.1°F (30.6°C) in August to a moderately hot 80.1°F (26.7°C). Bethune records a marked divergence from the day's high temperatures, with nights in September averaging at a moderate 58.3°F (14.6°C).Humidity
In Bethune, the average relative humidity in September is 49%.Rainfall
In Bethune, during September, the rain falls for 10.5 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Bethune, during the entire year, the rain falls for 108.3 days and collects up to 13.39" (340mm) of precipitation.Snowfall
In Bethune, snow does not fall in June through September.Daylight
In Bethune, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:19 pm. On the last day of September, in Bethune, sunrise is at 6:45 am and sunset at 6:33 pm MDT.
Sunshine
The average sunshine in September is 10.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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 it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Bethune have in September?
What is the UV index reading in September?
Average temperature in September
Bethune, CO
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in September
Bethune, CO
- Average pressure in September: 29.92"Hg
The months with the highest atmospheric pressure are January and December (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in September
Bethune, CO
- Average wind speed in September: 11.2mph
The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).
Average humidity in September
Bethune, CO
- Average humidity in September: 49%
The months with the highest relative humidity are January, February and December (61%).
The months with the lowest relative humidity are June and July (48%).
Average rainfall in September
Bethune, CO
- Average rainfall in September: 1.1"
The wettest months (with the highest rainfall) are May and July (1.93").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Bethune, CO
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (15 days).
The months with the least rainy days are February and December (3.8 days).
Average snowfall in September
Bethune, CO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bethune, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bethune, 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 1min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Bethune, CO
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Bethune, CO
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Bethune, CO
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 17).
Average visibility in September
Bethune, 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).
Bethune, Colorado, USA
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