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 indicates a shift in the average high-temperature, from August's warm 77.2°F (25.1°C) to an agreeable 68.2°F (20.1°C). In Randolph, a significant divergence from daytime highs is recorded, with average lows of 44.1°F (6.7°C) during September nights.Humidity
The average relative humidity in September is 48%.Rainfall
In Randolph, in September, during 10.5 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 114.5 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Randolph. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 107.8 snowfall days, and 86.89" (2207mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:07 pm MDT.
Sunshine
The average sunshine in September is 10h.UV index
In Randolph, Utah, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 during September translates into the following guidance:
Put precautions into practice - Guidance to elude sunburn is provided. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Randolph in September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Randolph have in September?
What is the UV index reading in September?
Average temperature in September
Randolph, UT
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in September: 44.1°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in September
Randolph, UT
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Randolph, UT
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in September
Randolph, UT
- Average humidity in September: 48%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Randolph, UT
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is July (1.02").
Average rainfall days in September
Randolph, UT
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in September
Randolph, UT
- Average snowfall in September: 0.12"
The month with the highest snowfall is January (17.4").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Randolph, UT
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (20.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Randolph, UT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Randolph, UT
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is June (18.2 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in September
Randolph, UT
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Randolph, UT
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in September
Randolph, UT
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Randolph, Utah, USA
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