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
September's onset brings a reduction in the average high-temperature, from a warm 75.2°F (24°C) in August to a refreshing 65.5°F (18.6°C). Yellow Pine anticipates a considerable cooling off from the daytime high to an average minimum temperature of 39°F (3.9°C) in September.Humidity
In September, the average relative humidity is 54%.Rainfall
In Yellow Pine, in September, it is raining for 7.6 days, with typically 0.87" (22mm) of accumulated precipitation. In Yellow Pine, during the entire year, the rain falls for 101.7 days and collects up to 23.86" (606mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Yellow Pine, Idaho. Throughout September, in the average 0.9 snowfall days, it receives 0.43" (11mm) of snow. In Yellow Pine, during the entire year, snow falls for 113.9 days and aggregates up to 115.87" (2943mm) of snow.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 7:05 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:23 pm MDT.
Sunshine
In Yellow Pine, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start snowing in Yellow Pine?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Yellow Pine have in September?
What is the UV index reading in September?
Average temperature in September
Yellow Pine, ID
- Average high temperature in September: 65.5°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (26.1°F).
- Average low temperature in September: 39°F
The month with the highest average low temperature is August (44.8°F).
The coldest month (with the lowest average low temperature) is December (10.9°F).
Average pressure in September
Yellow Pine, ID
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Yellow Pine, ID
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are March and July (5.3mph).
The calmest months (with the lowest average wind speed) are January and October (4.7mph).
Average humidity in September
Yellow Pine, ID
- Average humidity in September: 54%
The month with the highest relative humidity is March (93%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall in September
Yellow Pine, ID
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is March (3.31").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Yellow Pine, ID
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in September
Yellow Pine, ID
- Average snowfall in September: 0.43"
The month with the highest snowfall is February (25.16").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Yellow Pine, ID
- Average snowfall days in September: 0.9 days
The month with the highest number of snowfall days is March (20.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Yellow Pine, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 1min
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 0min).
Average sunshine days in September
Yellow Pine, ID
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in September
Yellow Pine, 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 February, March, November and December (UV index 1).
Average cloud cover in September
Yellow Pine, ID
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Yellow Pine, ID
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Yellow Pine, Idaho, USA
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