September weather forecastPine Glen, WA
September
Weather in September
September, the first month of the autumn in Pine Glen, is also an enjoyable month, with an average temperature varying between 62.6°F (17°C) and 41°F (5°C).Temperature
Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from an agreeable 72.3°F (22.4°C) to a comfortable 62.6°F (17°C). Despite the drastic temperature difference, Pine Glen records an average nighttime low of 41°F (5°C) throughout September.Humidity
In Pine Glen, Washington, the average relative humidity in September is 74%.Rainfall
In September, in Pine Glen, the rain falls for 13.4 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. In Pine Glen, during the entire year, the rain falls for 174.5 days and collects up to 46.38" (1178mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Pine Glen. September is the first month it typically snows in Pine Glen. Throughout September, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Pine Glen, during the entire year, snow falls for 90.4 days and aggregates up to 104.96" (2666mm) of snow.Daylight
In Pine Glen, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:45 pm PDT.
Sunshine
In September, the average sunshine in Pine Glen is 9h.UV index
In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during September leads to these instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pine Glen, WA
- Average high temperature in September: 62.6°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in September: 41°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).
Average pressure in September
Pine Glen, WA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in September
Pine Glen, WA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest months (with the lowest average wind speed) are September and October (4.2mph).
Average humidity in September
Pine Glen, WA
- Average humidity in September: 74%
The month with the highest relative humidity is February (94%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in September
Pine Glen, WA
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is January (7.24").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in September
Pine Glen, WA
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is April (18.8 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in September
Pine Glen, WA
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (25.16").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Pine Glen, WA
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (18.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Pine Glen, WA
- Average daylight in September: 12h and 30min
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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Pine Glen, WA
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in September
Pine Glen, WA
- Average UV index in September: 2
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
Pine Glen, WA
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Pine Glen, WA
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July, August and September (5mi).
The months with the lowest visibility are January, February and December (3mi).
