September weather forecast
Tasker, WA

englishespañol中文
Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Tasker, Washington, with an average temperature ranging between max 74.1°F (23.4°C) and min 51.8°F (11°C).

Temperature

As Tasker enters September, the average high-temperature decreases from the 85.1°F (29.5°C) of August to a still warm 74.1°F (23.4°C). September nights bring a pronounced temperature shift, with averages hovering around a fresh 51.8°F (11°C).

Humidity

The average relative humidity in September in Tasker is 50%.

Rainfall

In Tasker, in September, it is raining for 4.8 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, there are 87.6 rainfall days, and 5.94" (151mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, September, November and December. September is the first month it typically snows in Tasker. Throughout September, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. In Tasker, during the entire year, snow falls for 19.9 days and aggregates up to 8.62" (219mm) of snow.

Daylight

In September, the average length of the day in Tasker is 12h and 32min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:43 pm PDT.

Sunshine

The average sunshine in September in Tasker is 11.1h.

UV index

In September, the average daily maximum UV index in Tasker is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 4 in September translates into these instructions:
Ensure safety - Sun damage prevention is strongly urged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
[Resources]

Frequently asked questions

What are the temperatures in Tasker in September?

The average high-temperature and low-temperature in Tasker during September are 74.1°F (23.4°C) and 51.8°F (11°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 84.2°F (29°C).

What is the average humidity in September in Tasker?

The average relative humidity in September in Tasker, Washington, is 50%.

How much does it rain in Tasker in September?

In Tasker, during September, the rain falls for 4.8 days and regularly aggregates up to 0.28" (7mm) of precipitation.

When does it start to snow in Tasker?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Tasker have in September?

The average day length in September is 12h and 32min.

When is the sunrise / sunset in September in Tasker?

On the first day of September in Tasker, Washington, sunrise is at 6:23 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:43 pm PDT.

How many hours of sunshine does Tasker have in September?

In September, the average sunshine duration in Tasker, Washington, is 11.1h.

How high is the UV index in September in Tasker?

In September, the average daily maximum UV index in Tasker, Washington, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Tasker, WA

Average temperature in September - Tasker, WA
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).

  • Average low temperature in September: 51.8°F

The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

[Resources]

Average pressure in September
Tasker, WA

Average pressure in September - Tasker, WA
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

[Resources]

Average wind speed in September
Tasker, WA

Average wind speed in September - Tasker, WA
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

[Resources]

Average humidity in September
Tasker, WA

Average humidity in September - Tasker, WA
  • Average humidity in September: 50%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).

[Resources]

Average rainfall in September
Tasker, WA

Average rainfall in September - Tasker, WA
  • Average rainfall in September: 0.28"

The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").

[Resources]

Average rainfall days in September
Tasker, WA

Average rainfall days in September - Tasker, WA
  • Average rainfall days in September: 4.8 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).

[Resources]

Average snowfall in September
Tasker, WA

Average snowfall in September - Tasker, WA
  • Average snowfall in September: 0.12"

The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").

[Resources]

Average snowfall days in September
Tasker, WA

Average snowfall days in September - Tasker, WA
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Tasker, WA

Average daylight in September / Average sunshine in September - Tasker, WA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 11h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

[Resources]

Average sunshine days in September
Tasker, WA

Average sunshine days in September - Tasker, WA
  • Average sunshine days in September: 23.2 days

The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).

[Resources]

Average UV index in September
Tasker, WA

Average UV index in September - Tasker, 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).

[Resources]

Average cloud cover in September
Tasker, WA

Average cloud cover in September - Tasker, WA
  • Average cloud cover in September: 15

The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).

[Resources]

Average visibility in September
Tasker, WA

Average visibility in September - Tasker, WA
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

[Resources]

Tasker, Washington, USA

Weather forecast for your location

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