September weather forecast
Sheridan Beach, WA

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Weather in September

September, the first month of the autumn in Sheridan Beach, is also an agreeable month, with an average temperature varying between 68.7°F (20.4°C) and 50°F (10°C).

Temperature

The arrival of September correlates with a minor temperature reduction, down from August's moderately hot 74.8°F (23.8°C) to an agreeable 68.7°F (20.4°C). An average nighttime temperature of 50°F (10°C) is witnessed in Sheridan Beach throughout September.

Humidity

In Sheridan Beach, the average relative humidity in September is 76%.

Rainfall

In Sheridan Beach, in September, during 12.5 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Sheridan Beach, during the entire year, the rain falls for 166.9 days and collects up to 21.93" (557mm) of precipitation.

Snowfall

In Sheridan Beach, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 33min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:49 pm PDT.

Sunshine

In Sheridan Beach, the average sunshine in September is 9.4h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 3 in September translates into these instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Sheridan Beach in September?

In Sheridan Beach, in September, the average high-temperature is 68.7°F (20.4°C), and the average low-temperature is 50°F (10°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How many days does it rain in September?

In Sheridan Beach, in September, it is raining for 12.5 days, with typically 1.46" (37mm) of accumulated precipitation.

When it does not snow in Sheridan Beach?

May through October are months without snowfall.

How many hours of daylight does Sheridan Beach have in September?

In September, the average day length is 12h and 33min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:28 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:49 pm PDT.

How many hours of sunshine does Sheridan Beach have in September?

In September, the average sunshine duration is 9.4h.

What is the UV index reading in September?

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average max. wind speed
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
Sheridan Beach, WA

Average temperature in September - Sheridan Beach, WA
  • Average high temperature in September: 68.7°F

The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is August (53.1°F).
The coldest months (with the lowest average low temperature) are February and December (35.1°F).

Average pressure in September
Sheridan Beach, WA

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

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in September
Sheridan Beach, WA

Average wind speed in September - Sheridan Beach, WA
  • Average wind speed in September: 3.8mph

The windiest months (with the highest average wind speed) are January and March (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

Average humidity in September
Sheridan Beach, WA

Average humidity in September - Sheridan Beach, WA
  • Average humidity in September: 76%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (71%).

Average rainfall in September
Sheridan Beach, WA

Average rainfall in September - Sheridan Beach, WA
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is January (2.87").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in September
Sheridan Beach, WA

Average rainfall days in September - Sheridan Beach, WA
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is November (17.9 days).
The month with the least rainy days is August (6.9 days).

Average snowfall in September
Sheridan Beach, WA

Average snowfall in September - Sheridan Beach, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Sheridan Beach, WA

Average snowfall days in September - Sheridan Beach, WA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.5 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
Sheridan Beach, WA

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).

Average sunshine days in September
Sheridan Beach, WA

Average sunshine days in September - Sheridan Beach, WA
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is April (10.5 days).

Average UV index in September
Sheridan Beach, WA

Average UV index in September - Sheridan Beach, 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, November and December (UV index 2).

Average cloud cover in September
Sheridan Beach, WA

Average cloud cover in September - Sheridan Beach, WA
  • Average cloud cover in September: 32

The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Sheridan Beach, WA

Average visibility in September - Sheridan Beach, WA
  • Average visibility in September: 6mi

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

Sheridan Beach, Washington, USA

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