September weather forecast
Everson, WA

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Weather in September

The first month of the autumn, September, is still a refreshing month in Everson, Washington, with an average temperature ranging between max 66°F (18.9°C) and min 47.5°F (8.6°C).

Temperature

September ushers in a minor alteration in Everson's climate, with the average high-temperature moving from August's agreeable 73.2°F (22.9°C) to a refreshing 66°F (18.9°C). In Everson, September nights cool down to an average of 47.5°F (8.6°C).

Humidity

In September, the average relative humidity in Everson is 78%.

Rainfall

In September, in Everson, the rain falls for 12.9 days. Throughout September, 2.56" (65mm) of precipitation is accumulated. In Everson, during the entire year, the rain falls for 194.7 days and collects up to 48.66" (1236mm) of precipitation.

Snowfall

In Everson, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 34min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:49 pm PDT.

Sunshine

In Everson, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September in Everson is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Everson?

In Everson, in September, the average high-temperature is 66°F (18.9°C), and the average low-temperature is 47.5°F (8.6°C).

What is the average humidity in September in Everson?

In Everson, Washington, the average relative humidity in September is 78%.

How much does it rain in Everson in September?

In Everson, Washington, in September, during 12.9 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow in Everson?

May through October are months without snowfall.

What is the average length of the day in September in Everson?

In Everson, the average day length in September is 12h and 34min.

When is the sunrise / sunset in September in Everson?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:50 pm. On the last day of the month, in Everson, Washington, sunrise is at 7:08 am and sunset at 6:49 pm PDT.

How long on average sun shines in September in Everson?

In Everson, the average sunshine duration in September is 9h.

What is the UV index reading in September in Everson?

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Everson, WA

Average temperature in September - Everson, WA
  • Average high temperature in September: 66°F

The warmest month (with the highest average high temperature) is August (73.2°F).
The month with the lowest average high temperature is December (39.6°F).

  • Average low temperature in September: 47.5°F

The month with the highest average low temperature is August (51.3°F).
The coldest months (with the lowest average low temperature) are February and December (31.6°F).

Average pressure in September
Everson, WA

Average pressure in September - Everson, WA
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March and August (30"Hg).

Average wind speed in September
Everson, WA

Average wind speed in September - Everson, WA
  • Average wind speed in September: 3.4mph

The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).

Average humidity in September
Everson, WA

Average humidity in September - Everson, WA
  • Average humidity in September: 78%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (73%).

Average rainfall in September
Everson, WA

Average rainfall in September - Everson, WA
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is November (7.32").
The driest month (with the least rainfall) is July (1.02").

Average rainfall days in September
Everson, WA

Average rainfall days in September - Everson, WA
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is March (21.6 days).
The month with the least rainy days is August (8.5 days).

Average snowfall in September
Everson, WA

Average snowfall in September - Everson, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Everson, WA

Average snowfall days in September - Everson, WA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Everson, WA
  • Average daylight in September: 12h and 4min

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: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Everson, WA

Average sunshine days in September - Everson, WA
  • Average sunshine days in September: 15.2 days

The months with the most sunshine days are July and August (20 days).
The month with the least sunshine days is March (7.8 days).

Average UV index in September
Everson, WA

Average UV index in September - Everson, WA
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September
Everson, WA

Average cloud cover in September - Everson, WA
  • Average cloud cover in September: 37

The months with the most cloud cover are January, March and December (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in September
Everson, WA

Average visibility in September - Everson, WA
  • Average visibility in September: 5mi

The months with the highest visibility are July and August (6mi).
The month with the lowest visibility is January (4mi).

Everson, Washington, USA

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