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
Goldendale's September weather comes with a decrease in average high-temperatures, moving from a moderately hot 81.9°F (27.7°C) in August to an agreeable 71.4°F (21.9°C). During the nights in September, Goldendale experiences a consistent average temperature of 50.7°F (10.4°C).Humidity
In Goldendale, the average relative humidity in September is 55%.Rainfall
In Goldendale, in September, it is raining for 6.6 days, with typically 0.43" (11mm) of accumulated precipitation. In Goldendale, during the entire year, the rain falls for 114.1 days and collects up to 12.13" (308mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.16" (4mm) of snow. In Goldendale, during the entire year, snow falls for 33.8 days and aggregates up to 19.69" (500mm) of snow.Daylight
The average length of the day in September in Goldendale is 12h and 31min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:40 pm. On the last day of September, in Goldendale, sunrise is at 7:01 am and sunset at 6:44 pm PDT.
Sunshine
In September, the average sunshine is 10.8h.UV index
In Goldendale, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the usual temperature for Goldendale in September?
What is the average humidity in September in Goldendale?
How many days does it rain in September in Goldendale?
When does it start snowing in Goldendale?
How many hours of daylight does Goldendale have in September?
When is the sunrise / sunset in September in Goldendale?
How many hours of sunshine does Goldendale have in September?
What is the UV index intensity in September in Goldendale?
Average temperature in September
Goldendale, WA
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in September
Goldendale, WA
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in September
Goldendale, WA
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in September
Goldendale, WA
- Average humidity in September: 55%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Goldendale, WA
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is January (2.17").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Goldendale, WA
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in September
Goldendale, WA
- Average snowfall in September: 0.16"
The month with the highest snowfall is January (6.18").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Goldendale, WA
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (8.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Goldendale, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Goldendale, WA
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in September
Goldendale, WA
- Average UV index in September: 4
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 2).
Average cloud cover in September
Goldendale, WA
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in September
Goldendale, WA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Goldendale, Washington, USA
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