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 average high-temperature decreases in September, shifting from a hot 87.8°F (31°C) in August to a warm 77.2°F (25.1°C). A noteworthy thermal contrast characterizes Hansen's September nights, with temperatures averaging at a fresh 54.5°F (12.5°C).Humidity
In Hansen, the average relative humidity in September is 35%.Rainfall
In Hansen, during September, the rain falls for 4.7 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, there are 72.2 rainfall days, and 4.29" (109mm) of precipitation is accumulated.Snowfall
In Hansen, snow does not fall in May, July through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:19 pm MDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Act with care - The need to guard against sun damage is communicated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Hansen have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Hansen have in September?
What is the UV index reading in September?
Average temperature in September
Hansen, ID
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (22.6°F).
Average pressure in September
Hansen, ID
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Hansen, ID
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are January and August (7.6mph).
Average humidity in September
Hansen, ID
- Average humidity in September: 35%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in September
Hansen, ID
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is February (0.59").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Hansen, ID
- Average rainfall days in September: 4.7 days
The months with the highest number of rainy days are March and April (9.7 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in September
Hansen, ID
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, July, August and September (0").
Average snowfall days in September
Hansen, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hansen, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Hansen, ID
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (17.1 days).
Average UV index in September
Hansen, ID
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Hansen, ID
- Average cloud cover in September: 14
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Hansen, ID
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hansen, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location