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
The onset of September coincides with a reduction in the average high-temperature, falling from a moderately hot 77.5°F (25.3°C) in August to an agreeable 68.4°F (20.2°C). The nighttime average for Bear Lake Sands in September plummets considerably from its daytime counterpart, resting at a frosty 43.2°F (6.2°C).Humidity
The average relative humidity in September in Bear Lake Sands is 48%.Rainfall
In Bear Lake Sands, in September, during 9.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Bear Lake Sands, during the entire year, the rain falls for 105.7 days and collects up to 16.69" (424mm) of precipitation.Snowfall
Months with snowfall in Bear Lake Sands, Idaho, are January through June, September through December. 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 104.6 snowfall days, and 63.58" (1615mm) of snow is accumulated.Daylight
In Bear Lake Sands, 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 7:58 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 in Bear Lake Sands is 10.1h.UV index
In September, the average daily maximum UV index in Bear Lake Sands, Idaho, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are the temperatures in Bear Lake Sands in September?
What is the average humidity in September in Bear Lake Sands?
How much does it rain in Bear Lake Sands in September?
When does it start snowing in Bear Lake Sands?
What is the average length of the day in September in Bear Lake Sands?
What time are sunrise and sunset in September in Bear Lake Sands?
How long on average sun shines in September in Bear Lake Sands?
What is the UV index reading in September in Bear Lake Sands?
Average temperature in September
Bear Lake Sands, ID
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in September: 43.2°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in September
Bear Lake Sands, ID
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Bear Lake Sands, ID
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is June (6mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Bear Lake Sands, ID
- Average humidity in September: 48%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Bear Lake Sands, ID
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in September
Bear Lake Sands, ID
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Bear Lake Sands, ID
- Average snowfall in September: 0.12"
The month with the highest snowfall is March (12.17").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Bear Lake Sands, ID
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (20 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Bear Lake Sands, ID
- 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 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Bear Lake Sands, ID
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is July (18.4 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in September
Bear Lake Sands, ID
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Bear Lake Sands, ID
- 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
Bear Lake Sands, ID
- 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).
Bear Lake Sands, Idaho, USA
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