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
In September, the average high-temperature slightly decreases from a moderately hot 84°F (28.9°C) in August to a still warm 76.8°F (24.9°C). The average low-temperature, in September, is 55.8°F (13.2°C).Humidity
The months with the lowest humidity in Matheson are June and September, with an average relative humidity of 46%.Rainfall
In Matheson, it is raining for 8.2 days, with typically 0.55" (14mm) of accumulated precipitation. In Matheson, Colorado, during the entire year, the rain falls for 83.6 days and collects up to 9.41" (239mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Matheson, during the entire year, snow falls for 26.7 days and aggregates up to 9.02" (229mm) of snow.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:40 pm MDT.
Sunshine
The average sunshine in September is 10.6h.UV index
In Matheson, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
FAQ
What is the temperature in September in Matheson?
What are the least humid months in Matheson?
What is the average humidity in September in Matheson?
How much does it rain in Matheson in September?
When does it start snowing in Matheson?
How many hours of daylight does Matheson have in September?
When is the sunrise / sunset in September in Matheson?
How many hours of sunshine does Matheson have in September?
How high is the UV index in September in Matheson?
Average temperature in September
Matheson, CO
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (39°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).
Average pressure in September
Matheson, CO
- Average pressure in September: 29.95"Hg
The months with the highest atmospheric pressure are January and December (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Matheson, CO
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in September
Matheson, CO
- Average humidity in September: 46%
The month with the highest relative humidity is February (63%).
The months with the lowest relative humidity are June and September (46%).
Average rainfall in September
Matheson, CO
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days in September
Matheson, CO
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (1.7 days).
Average snowfall in September
Matheson, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Matheson, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Matheson, 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 4min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in September
Matheson, CO
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Matheson, CO
- Average UV index in September: 5
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
Matheson, CO
- Average cloud cover in September: 16
The months with the most cloud cover are February and April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility in September
Matheson, 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).
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