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 ushers in a minute temperature change, with average high-temperatures reducing from August's tropical 87.4°F (30.8°C) to a moderately hot 79.7°F (26.5°C). Throughout September nights, Roggen reports a steady thermal contrast from the day, with an average low-temperature of 53.8°F (12.1°C).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 43%.Rainfall
In Roggen, in September, it is raining for 9.3 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 104.9 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
In Roggen, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:25 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm MDT.
Sunshine
In Roggen, the average sunshine in September is 10.8h.UV index
In Roggen, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Roggen in September?
What are the least humid months?
What is the average humidity in September?
How many days 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?
What time are sunrise and sunset in September?
How many hours of sunshine does Roggen have in September?
What is the UV index intensity in September?
Average temperature in September
Roggen, CO
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (38.8°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in September
Roggen, CO
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Roggen, CO
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).
Average humidity in September
Roggen, CO
- Average humidity in September: 43%
The month with the highest relative humidity is January (64%).
The months with the lowest relative humidity are August and September (43%).
Average rainfall in September
Roggen, CO
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Roggen, CO
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.1 days).
Average snowfall in September
Roggen, CO
- Average snowfall in September: 0"
The month with the highest snowfall is April (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Roggen, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Roggen, 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 24min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in September
Roggen, CO
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in September
Roggen, CO
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Roggen, CO
- Average cloud cover in September: 17
The months with the most cloud cover are February and April (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in September
Roggen, 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).
Roggen, Colorado, USA
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