September weather forecastLaurier, WA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Laurier, Washington, with an average temperature varying between 42.8°F (6°C) and 69.8°F (21°C).Temperature
The onset of September results in a decrease in the average high-temperature, receding from a moderately hot 81.1°F (27.3°C) in August to a pleasant 69.8°F (21°C). September nights in Laurier are characterized by a significant departure from the daytime highs, dropping to an average temperature of 42.8°F (6°C).Humidity
In Laurier, the average relative humidity in September is 61%.Rainfall
In Laurier, in September, during 10.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in Laurier, there are 156.3 rainfall days, and 16.18" (411mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, in Laurier, there are 53.2 snowfall days, and 25.16" (639mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:34 pm. On the last day of September, in Laurier, sunrise is at 6:52 am and sunset at 6:32 pm PDT.
Sunshine
In Laurier, the average sunshine in September is 10.2h.UV index
In Laurier, Washington, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Laurier, WA
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in September: 42.8°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (16°F).
Average pressure in September
Laurier, WA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Laurier, WA
- Average wind speed in September: 3.4mph
The windiest month (with the highest average wind speed) is April (3.9mph).
The calmest months (with the lowest average wind speed) are January, February and December (3mph).
Average humidity in September
Laurier, WA
- Average humidity in September: 61%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Laurier, WA
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in September
Laurier, WA
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in September
Laurier, WA
- Average snowfall in September: 0.39"
The month with the highest snowfall is January (6.61").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Laurier, WA
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Laurier, WA
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Laurier, WA
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (9 days).
Average UV index in September
Laurier, WA
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Laurier, WA
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Laurier, WA
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).





