September weather forecast
Goldendale, WA

Share

Weather in September

September, the first month of the autumn in Goldendale, is still a pleasant month, with an average temperature fluctuating between 71.4°F (21.9°C) and 50.7°F (10.4°C).

Temperature

Goldendale's average high-temperature decreases in September, falling from a moderately hot 81.9°F (27.7°C) in August to a pleasant 71.4°F (21.9°C). Nighttime temperatures consistently average a cool 50.7°F (10.4°C) during September.

Humidity

In September, the average relative humidity is 55%.

Rainfall

In Goldendale, in September, it is raining for 6.6 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, there are 114.1 rainfall days, and 12.13" (308mm) 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 0.2 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 33.8 snowfall days, and 19.69" (500mm) of snow is accumulated.

Daylight

In September, the average length of the day 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, sunrise is at 7:01 am and sunset at 6:44 pm PDT.

Sunshine

In September, the average sunshine in Goldendale is 10.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

Goldendale in September has an average high-temperature of 71.4°F (21.9°C) and an average low-temperature of 50.7°F (10.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 82.4°F (28°C).

What is the average humidity in September?

The average relative humidity in September is 55%.

How many days does it rain in September in Goldendale?

In Goldendale, in September, it is raining for 6.6 days, with typically 0.43" (11mm) of accumulated precipitation.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Goldendale have in September?

In Goldendale, the average day length in September is 12h and 31min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:44 pm PDT.

How many hours of sunshine does Goldendale have in September?

In Goldendale, the average sunshine duration in September is 10.8h.

What is the UV index reading in September?

In Goldendale, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Goldendale, WA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location