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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a warm 82°F (27.8°C) to a still moderately hot 73.9°F (23.3°C). During September, Massadona records an average temperature of 53.4°F (11.9°C) at night.Humidity
In Massadona, the average relative humidity in September is 36%.Rainfall
In Massadona, in September, it is raining for 9.5 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 114.4 rainfall days, and 10.16" (258mm) of precipitation is accumulated.Snowfall
In Massadona, 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 the month, sunrise is at 6:42 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:57 pm MDT.
Sunshine
In September, the average sunshine is 11h.UV index
In Massadona, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Exercise prevention - Warding off sunburn is urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
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 in Massadona?
What time are sunrise and sunset in September?
How many hours of sunshine does Massadona have in September?
What is the UV index reading in September?
Average temperature in September
Massadona, CO
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
Massadona, CO
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Massadona, CO
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in September
Massadona, CO
- Average humidity in September: 36%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (31%).
Average rainfall in September
Massadona, CO
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is April (1.18").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Massadona, CO
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is April (13.3 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in September
Massadona, CO
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Massadona, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Massadona, 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: 11h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Massadona, CO
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is April (13 days).
Average UV index in September
Massadona, 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, October, November and December (UV index 2).
Average cloud cover in September
Massadona, CO
- Average cloud cover in September: 12
The months with the most cloud cover are January and February (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in September
Massadona, 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 month with the lowest visibility is January (4mi).
Massadona, Colorado, USA
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