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
A subtle shift in Yuma's weather is observed as August turns into September, with the average high temperature reducing from a tropical 86.7°F (30.4°C) to a warm 79.5°F (26.4°C). Despite a stark disparity with daily highs, Yuma records an average nighttime temperature of 56.8°F (13.8°C) in September.Humidity
The least humid month in Yuma is September, with an average relative humidity of 49%.Rainfall
In September, in Yuma, Colorado, the rain falls for 7 days. Throughout September, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 97.4 rainfall days, and 12.52" (318mm) of precipitation is accumulated.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 34.6 snowfall days, and 14.09" (358mm) of snow is accumulated.Daylight
In Yuma, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:34 pm MDT.
Sunshine
In Yuma, the average sunshine in September is 10.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the temperature in September in Yuma?
What is the least humid month in Yuma?
What is the average humidity in September in Yuma?
How many days does it rain in September in Yuma?
When does it start snowing in Yuma?
How many hours of daylight does Yuma have in September?
When is the sunrise / sunset in September in Yuma?
How long on average sun shines in September in Yuma?
How high is the UV index in September in Yuma?
Average temperature in September
Yuma, CO
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (39.9°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in September
Yuma, CO
- Average pressure in September: 29.93"Hg
The months with the highest atmospheric pressure are January and December (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Yuma, CO
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in September
Yuma, CO
- Average humidity in September: 49%
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is September (49%).
Average rainfall in September
Yuma, CO
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are January and November (0.43").
Average rainfall days in September
Yuma, CO
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in September
Yuma, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Yuma, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Yuma, 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 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 18min).
Average sunshine days in September
Yuma, CO
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Yuma, CO
- Average UV index in September: 5
The month with the highest UV index is 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
Yuma, CO
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Yuma, 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).
Yuma, Colorado, USA
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