September weather forecastHolden, UT
September
Weather in September
September, the first month of the autumn in Holden, is still a warm month, with an average temperature fluctuating between 79.2°F (26.2°C) and 56.7°F (13.7°C).Temperature
Holden's weather in September involves a decrease in the average high-temperature, moving down from August's hot 88.5°F (31.4°C) to a warm 79.2°F (26.2°C). Despite considerable daily temperature swings, a steady low-temperature average of 56.7°F (13.7°C) is noted throughout September.Humidity
In Holden, Utah, the average relative humidity in September is 32%.Rainfall
In Holden, during September, the rain falls for 4.7 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, there are 64.3 rainfall days, and 4.37" (111mm) of precipitation is accumulated.Snowfall
In Holden, snow does not fall in June through September.Daylight
In September, the average length of the day in Holden is 12h and 26min.On the first day of September in Holden, Utah, sunrise is at 6:58 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:12 pm MDT.
Sunshine
In Holden, Utah, the average sunshine in September is 9.8h.UV index
In Holden, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holden, UT
- Average high temperature in September: 79.2°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Holden, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Holden, UT
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is June (8.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in September
Holden, UT
- Average humidity in September: 32%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (25%).
Average rainfall in September
Holden, UT
- Average rainfall in September: 0.28"
The wettest months (with the highest rainfall) are March and April (0.55").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Holden, UT
- Average rainfall days in September: 4.7 days
The month with the highest number of rainy days is April (9 days).
The month with the least rainy days is June (3.1 days).
Average snowfall in September
Holden, UT
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Holden, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holden, UT
- Average daylight in September: 12h and 24min
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 30min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).
Average sunshine days in September
Holden, UT
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is October (25.2 days).
The month with the least sunshine days is April (19.6 days).
Average UV index in September
Holden, 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, November and December (UV index 2).
Average cloud cover in September
Holden, UT
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Holden, 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).





