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 transition into September subtly indicates a reduction in the average high-temperature, down to an agreeable 70°F (21.1°C) from August's warm 77°F (25°C). The temperature in Pine Lake, Washington, notes a substantial fall from the daily peak to an average of 48.4°F (9.1°C) during September nights.Humidity
In Pine Lake, the average relative humidity in September is 74%.Rainfall
In Pine Lake, during September, the rain falls for 7.8 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 127.4 rainfall days, and 12.52" (318mm) of precipitation is accumulated.Snowfall
In Pine Lake, snow does not fall in May through October.Daylight
In September, the average length of the day in Pine Lake is 12h and 33min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:48 pm PDT.
Sunshine
The average sunshine in September in Pine Lake is 9.1h.UV index
The average daily maximum UV index in September in Pine Lake is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Heed the precautions - It is counselled to guard against solar damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Pine Lake in September?
What is the average humidity in September in Pine Lake?
How many days does it rain in September in Pine Lake?
When it does not snow in Pine Lake?
How many hours of daylight does Pine Lake have in September?
What time are sunrise and sunset in September in Pine Lake?
How many hours of sunshine does Pine Lake have in September?
How high is the UV index in September in Pine Lake?
Average temperature in September
Pine Lake, WA
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is August (51.4°F).
The coldest months (with the lowest average low temperature) are February and December (33.4°F).
Average pressure in September
Pine Lake, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in September
Pine Lake, WA
- Average wind speed in September: 3.7mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in September
Pine Lake, WA
- Average humidity in September: 74%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Pine Lake, WA
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is December (2.01").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Pine Lake, WA
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in September
Pine Lake, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Pine Lake, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Pine Lake, WA
- 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 30min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in September
Pine Lake, WA
- Average sunshine days in September: 19 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in September
Pine Lake, WA
- Average UV index in September: 4
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 2).
Average cloud cover in September
Pine Lake, WA
- Average cloud cover in September: 36
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Pine Lake, WA
- Average visibility in September: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).
Pine Lake, Washington, USA
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