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
Arrival of September comes with a reduction in the average high-temperature, falling from a warm 79.2°F (26.2°C) in August to an agreeable 69.3°F (20.7°C). Bench's average nighttime temperatures present a clear contrast to its daytime highs, measured at a frosty 43.7°F (6.5°C) in September.Humidity
The average relative humidity in September in Bench is 48%.Rainfall
In September, the rain falls for 8.9 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. In Bench, during the entire year, the rain falls for 100.3 days and collects up to 15.39" (391mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Bench. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow. In Bench, Idaho, during the entire year, snow falls for 106.2 days and aggregates up to 69.33" (1761mm) of snow.Daylight
In Bench, the average length of the day in September is 12h and 28min.On the first day of September in Bench, sunrise is at 6:52 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:09 pm MDT.
Sunshine
In Bench, the average sunshine in September is 10h.UV index
In September, the average daily maximum UV index in Bench, Idaho, is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 during September leads to these advisories:
Prioritize safety - Recommendations to avert sunburn are shared. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Bench?
What is the average humidity in September in Bench?
How much does it rain in Bench in September?
When does it start snowing in Bench?
What is the average length of the day in September in Bench?
When are sunrise and sunset in September in Bench?
How long on average sun shines in September in Bench?
What is the UV index intensity in September in Bench?
Average temperature in September
Bench, ID
- Average high temperature in September: 69.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in September: 43.7°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in September
Bench, ID
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Bench, ID
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in September
Bench, ID
- Average humidity in September: 48%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Bench, ID
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in September
Bench, ID
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Bench, ID
- Average snowfall in September: 0.39"
The month with the highest snowfall is January (14.41").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Bench, ID
- Average snowfall days in September: 0.5 days
The months with the highest number of snowfall days are February and December (19.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Bench, 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 6min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Bench, ID
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is July (19.1 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in September
Bench, ID
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Bench, ID
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Bench, 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).
Bench, Idaho, USA
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