September weather forecast
La Center, WA

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Weather in September

September, the first month of the autumn in La Center, is still a pleasant month, with an average temperature fluctuating between 48.6°F (9.2°C) and 71.2°F (21.8°C).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 79.2°F (26.2°C) in August to a pleasant 71.2°F (21.8°C). La Center, amid September nights, sees a noteworthy disparity from daily highs with an average temperature of 48.6°F (9.2°C).

Humidity

In September, the average relative humidity is 74%.

Rainfall

In La Center, Washington, during September, the rain falls for 10.8 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, in La Center, there are 180.9 rainfall days, and 39.41" (1001mm) of precipitation is accumulated.

Snowfall

In La Center, snow does not fall in April through October.

Daylight

In La Center, the average length of the day in September is 12h and 31min.
On the first day of September in La Center, sunrise is at 6:32 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:51 pm PDT.

Sunshine

In La Center, the average sunshine in September is 8.9h.

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 unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 4 suggests this advice:
Exercise prevention - Precautions against solar damage are endorsed. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What are September temperatures in La Center?

La Center in September has an average high-temperature of 71.2°F (21.8°C) and an average low-temperature of 48.6°F (9.2°C).

What is the average humidity in September in La Center?

The average relative humidity in September in La Center is 74%.

How many days does it rain in September in La Center?

In La Center, in September, it is raining for 10.8 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow in La Center?

April through October are months without snowfall in La Center.

How many hours of daylight does La Center have in September?

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

When are sunrise and sunset in September in La Center?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:51 pm PDT.

How long on average sun shines in September in La Center?

The average sunshine duration in September is 8.9h.

What is the UV index reading in September in La Center?

The average daily maximum UV index in September in La Center 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
La Center, WA

Average temperature in September - La Center, WA
  • Average high temperature in September: 71.2°F

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in September: 48.6°F

The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).

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Average pressure in September
La Center, WA

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in September
La Center, WA

Average wind speed in September - La Center, WA
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).

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Average humidity in September
La Center, WA

Average humidity in September - La Center, WA
  • Average humidity in September: 74%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (69%).

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Average rainfall in September
La Center, WA

Average rainfall in September - La Center, WA
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in September
La Center, WA

Average rainfall days in September - La Center, WA
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is March (21.3 days).
The month with the least rainy days is July (5.3 days).

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Average snowfall in September
La Center, WA

Average snowfall in September - La Center, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
La Center, WA

Average snowfall days in September - La Center, WA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.3 days).
The 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
La Center, WA

Average daylight in September / Average sunshine in September - La Center, 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: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

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Average sunshine days in September
La Center, WA

Average sunshine days in September - La Center, WA
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is July (23.5 days).
The months with the least sunshine days are February and March (8.3 days).

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Average UV index in September
La Center, WA

Average UV index in September - La Center, WA
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in September
La Center, WA

Average cloud cover in September - La Center, WA
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
La Center, WA

Average visibility in September - La Center, WA
  • Average visibility in September: 5mi

The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).

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La Center, Washington, USA

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