September weather forecast
Lakebay, WA

Weather in September

The first month of the autumn, September, is still a pleasant month in Lakebay, Washington, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 49.5°F (9.7°C).

Temperature

In Lakebay, the average high-temperature in September marginally drops, from a warm 78.1°F (25.6°C) in August, to an agreeable 70.9°F (21.6°C). In September, the average low-temperature is 49.5°F (9.7°C).

Humidity

In September, the average relative humidity in Lakebay is 75%.

Rainfall

In Lakebay, during September, the rain falls for 11.9 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, there are 172.9 rainfall days, and 30.08" (764mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12.5h.

Sunshine

In Lakebay, the average sunshine is 9h.

UV index

In Lakebay, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Lakebay?

The average relative humidity in September in Lakebay is 75%.

How many days does it rain in September in Lakebay?

In Lakebay, Washington, in September, it is raining for 11.9 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Lakebay?

In Lakebay snow does not fall in April through October.

How many hours of daylight does Lakebay have in September?

In September, the average length of the day is 12.5h.

How long on average sun shines in September in Lakebay?

In September, the average sunshine in Lakebay, Washington, is 9h.

What is the UV index intensity in September in Lakebay?

In Lakebay, Washington, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
Lakebay, WA

Average temperature in September - Lakebay, WA
  • Average high temperature in September: 70.9°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in September: 49.5°F

The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).

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Average pressure in September
Lakebay, WA

Average pressure in September - Lakebay, WA
  • Average pressure in September: 30.01"

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are March, August and September (30.01").

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Average wind speed in September
Lakebay, WA

Average wind speed in September - Lakebay, WA
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in September
Lakebay, WA

Average humidity in September - Lakebay, WA
  • Average humidity in September: 75%

Months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).

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Average rainfall in September
Lakebay, WA

Average rainfall in September - Lakebay, WA
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in September
Lakebay, WA

Average rainfall days in September - Lakebay, WA
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).

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Average snowfall in September
Lakebay, WA

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

The month with the highest snowfall is February (2.28").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Lakebay, WA

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

The month with the highest number of snowfall days is February (3.2 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Lakebay, WA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in September: 9h

The month with the most sunshine is August (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 4h).

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Average sunshine days in September
Lakebay, WA

Average sunshine days in September - Lakebay, WA
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).

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Average UV index in September
Lakebay, WA

Average UV index in September - Lakebay, WA
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Lakebay, WA

Average cloud cover in September - Lakebay, WA
  • Average cloud cover in September: 36

The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Lakebay, WA

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

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

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