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
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's 82°F (27.8°C) to a still warm 73.9°F (23.3°C). During September, Bonanza records a consistent average nighttime temperature of 53.4°F (11.9°C).Humidity
The average relative humidity in September is 36%.Rainfall
In Bonanza, during September, the rain falls for 9.5 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 114.4 rainfall days, and 10.16" (258mm) of precipitation is accumulated.Snowfall
In Bonanza, snow does not fall in June through September.Daylight
In Bonanza, Utah, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:45 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:00 pm MDT.
Sunshine
In September, the average sunshine in Bonanza is 11h.UV index
The average daily maximum UV index in September in Bonanza is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the usual temperature for Bonanza in September?
What is the average humidity in September in Bonanza?
How much does it rain in Bonanza in September?
When it does not snow in Bonanza?
Does it snow in Bonanza in September?
How many hours of daylight does Bonanza have in September?
When are sunrise and sunset in September in Bonanza?
How many hours of sunshine does Bonanza have in September?
What is the UV index reading in September in Bonanza?
Average temperature in September
Bonanza, UT
- 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
Bonanza, UT
- 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
Bonanza, UT
- 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
Bonanza, UT
- 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
Bonanza, 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 January (0.63").
Average rainfall days in September
Bonanza, UT
- 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
Bonanza, UT
- 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
Bonanza, UT
- 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
Bonanza, 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: 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
Bonanza, UT
- 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
Bonanza, UT
- 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
Bonanza, UT
- 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
Bonanza, UT
- 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).
Bonanza, Utah, USA
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