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 commencement of September indicates a gentle shift in the average high-temperature, receding from August's warm 85.5°F (29.7°C) to a still moderately hot 78.1°F (25.6°C). Against the high September temperatures, Watkins records an average drop to a cool 54.5°F (12.5°C) at night.Humidity
August and September, with an average relative humidity of 44%, are the least humid months in Watkins.Rainfall
In Watkins, in September, it is raining for 11.3 days, with typically 1.18" (30mm) of accumulated precipitation. In Watkins, during the entire year, the rain falls for 105.6 days and collects up to 15" (381mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 32.1 snowfall days, and 19.84" (504mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:27 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm MDT.
Sunshine
In Watkins, the average sunshine in September is 10.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the least humid month?
What is the average humidity in September?
How much does it rain in Watkins in September?
When does it start snowing?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Watkins have in September?
What is the UV index intensity in September?
Average temperature in September
Watkins, CO
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (39.9°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in September
Watkins, CO
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Watkins, CO
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (7.3mph).
Average humidity in September
Watkins, CO
- Average humidity in September: 44%
The months with the highest relative humidity are January and February (64%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall in September
Watkins, CO
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days in September
Watkins, CO
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is December (1.1 days).
Average snowfall in September
Watkins, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is October (3.58").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Watkins, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Watkins, 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 24min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Watkins, CO
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is December (26.4 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Watkins, 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
Watkins, CO
- Average cloud cover in September: 18
The month with the most cloud cover is April (Cloud cover 30).
The months with the least cloud cover are June, August and September (Cloud cover 18).
Average visibility in September
Watkins, 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).
Watkins, Colorado, USA
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