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 start of September comes with a reduction in the average high-temperature, receding from a warm 77°F (25°C) in August to a refreshing 66.2°F (19°C). Avery's September nights cool down significantly from the day's heat, to an average low-temperature of 40.1°F (4.5°C).Humidity
The average relative humidity in September is 63%.Rainfall
In Avery, in September, it is raining for 8.5 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 88.5 rainfall days, and 25.12" (638mm) 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 1 snowfall days, it receives 0.43" (11mm) of snow. In Avery, during the entire year, snow falls for 133.2 days and aggregates up to 146.61" (3724mm) of snow.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Avery, sunrise is at 6:03 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:23 pm PDT.
Sunshine
In Avery, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Avery?
What is the average humidity in September in Avery?
How much does it rain in Avery in September?
When does it start to snow in Avery?
What is the average length of the day in September in Avery?
What time are sunrise and sunset in September in Avery?
How many hours of sunshine does Avery have in September?
What is the UV index reading in September in Avery?
Average temperature in September
Avery, ID
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in September: 40.1°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (16.9°F).
Average pressure in September
Avery, ID
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in September
Avery, ID
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest months (with the lowest average wind speed) are August and September (4.1mph).
Average humidity in September
Avery, ID
- Average humidity in September: 63%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (54%).
Average rainfall in September
Avery, ID
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is January (3.58").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in September
Avery, ID
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (13.3 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in September
Avery, ID
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (29.53").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Avery, ID
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is March (22.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Avery, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Avery, ID
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is March (7.5 days).
Average UV index in September
Avery, ID
- Average UV index in September: 3
The month with the highest UV index is 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
Avery, ID
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in September
Avery, ID
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Avery, Idaho, USA
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