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
Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 83.7°F (28.7°C) to a pleasant 73.2°F (22.9°C). During the month of September, the temperature generally drops to a low average of 52.5°F (11.4°C).Humidity
In Elba, the average relative humidity in September is 37%.Rainfall
In Elba, during September, the rain falls for 6.8 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 106.9 rainfall days, and 11.42" (290mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, there are 56.6 snowfall days, and 33.74" (857mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 7:00 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:16 pm MDT.
Sunshine
The average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
How many hours of daylight does Elba have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Elba have in September?
How high is the UV index in September in Elba?
Average temperature in September
Elba, ID
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (60.1°F).
The coldest months (with the lowest average low temperature) are January and December (19.8°F).
Average pressure in September
Elba, ID
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Elba, ID
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Elba, ID
- Average humidity in September: 37%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in September
Elba, ID
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in September
Elba, ID
- Average rainfall days in September: 6.8 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in September
Elba, ID
- Average snowfall in September: 0.39"
The month with the highest snowfall is January (9.21").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Elba, ID
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Elba, 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: 9h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Elba, ID
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is April (13 days).
Average UV index in September
Elba, ID
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Elba, ID
- Average cloud cover in September: 14
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Elba, ID
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Elba, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location