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
Callao in September demonstrates a small temperature transition, adjusting from an average high of a hot 88.2°F (31.2°C) in August to a moderately hot 77.9°F (25.5°C). The average nighttime temperature in Callao lowers to a moderate 60.6°F (15.9°C) throughout September.Humidity
In Callao, the average relative humidity in September is 31%.Rainfall
In Callao, in September, during 9 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Callao, there are 108.8 rainfall days, and 9.88" (251mm) of precipitation is accumulated.Snowfall
In Callao, snow does not fall in May through September.Daylight
In Callao, Utah, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:03 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm MDT.
Sunshine
In Callao, Utah, the average sunshine in September is 9.7h.UV index
In Callao, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are the temperatures in Callao in September?
What is the average humidity in September in Callao?
How much does it rain in Callao in September?
When it does not snow in Callao?
Does it snow in Callao in September?
How many hours of daylight does Callao have in September?
What time are sunrise and sunset in September in Callao?
How long on average sun shines in September in Callao?
What is the UV index reading in September in Callao?
Average temperature in September
Callao, UT
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Callao, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Callao, UT
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in September
Callao, UT
- Average humidity in September: 31%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (26%).
Average rainfall in September
Callao, UT
- 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 June (0.51").
Average rainfall days in September
Callao, UT
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is April (11.9 days).
The month with the least rainy days is November (5.8 days).
Average snowfall in September
Callao, UT
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.45").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Callao, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Callao, UT
- 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: 9h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Callao, UT
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in September
Callao, UT
- Average UV index in September: 5
The months with the highest UV index are June and 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
Callao, UT
- Average cloud cover in September: 12
The months with the most cloud cover are January, February and December (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Callao, UT
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Callao, Utah, USA
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