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
Box Canyon observes a minor decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 75.7°F (24.3°C) to a refreshing 65.8°F (18.8°C). September witnesses a substantial contrast between the daytime highs and the average low of 40.1°F (4.5°C).Humidity
In Box Canyon, Idaho, the average relative humidity in September is 53%.Rainfall
In Box Canyon, Idaho, in September, it is raining for 7.9 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Box Canyon, Idaho, there are 106.1 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
Months with snowfall in Box Canyon are January through July, September through December. September is the first month it typically snows. Throughout September, in the average 1.2 snowfall days, it receives 1.69" (43mm) of snow. Throughout the year, there are 138.1 snowfall days, and 107.64" (2734mm) of snow is accumulated.Daylight
In September, the average length of the day in Box Canyon is 12h and 30min.On the first day of September, sunrise is at 6:49 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:07 pm MDT.
Sunshine
The average sunshine in September in Box Canyon is 9.9h.UV index
In September, the average daily maximum UV index in Box Canyon, Idaho, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 in September translates into these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the usual temperature for Box Canyon in September?
What is the average humidity in September in Box Canyon?
How much does it rain in Box Canyon in September?
When does it start to snow in Box Canyon?
What is the average length of the day in September in Box Canyon?
When are sunrise and sunset in September in Box Canyon?
How many hours of sunshine does Box Canyon have in September?
What is the UV index intensity in September in Box Canyon?
Average temperature in September
Box Canyon, ID
- Average high temperature in September: 65.8°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in September: 40.1°F
The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).
Average pressure in September
Box Canyon, ID
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Box Canyon, ID
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in September
Box Canyon, ID
- Average humidity in September: 53%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Box Canyon, ID
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in September
Box Canyon, ID
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Box Canyon, ID
- Average snowfall in September: 1.69"
The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").
Average snowfall days in September
Box Canyon, ID
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Box Canyon, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Box Canyon, ID
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in September
Box Canyon, 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, February, November and December (UV index 1).
Average cloud cover in September
Box Canyon, ID
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in September
Box Canyon, 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, February and December (3mi).
Box Canyon, Idaho, USA
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