September weather forecast
Wauconda, WA

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Weather in September

The first month of the autumn, September, is still a comfortable month in Wauconda, Washington, with an average temperature ranging between max 67.8°F (19.9°C) and min 42.8°F (6°C).

Temperature

September comes with a decrease in the average high-temperature, falling from a moderately hot 79.2°F (26.2°C) in August to a refreshing 67.8°F (19.9°C). The temperature in Wauconda notes a substantial fall from the daily peak to an average of 42.8°F (6°C) during September nights.

Humidity

In Wauconda, the average relative humidity in September is 60%.

Rainfall

In Wauconda, in September, it is raining for 9.6 days, with typically 1.1" (28mm) of accumulated precipitation. In Wauconda, during the entire year, the rain falls for 112.2 days and collects up to 14.69" (373mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows in Wauconda, Washington. Throughout September, in the average 0.4 snowfall days, it receives 2.09" (53mm) of snow. In Wauconda, during the entire year, snow falls for 89.6 days and aggregates up to 47.44" (1205mm) of snow.

Daylight

In Wauconda, the average length of the day in September is 12h and 34min.
On the first day of September, sunrise is at 6:14 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:36 pm PDT.

Sunshine

The average sunshine in September in Wauconda is 10.4h.

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 rays for the average person.
Note: The daily high UV index of 3 during September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the temperature in September in Wauconda?

The high-temperature, in September, in Wauconda, is 67.8°F (19.9°C), while the low-temperature averages to 42.8°F (6°C).

What is the average humidity in September in Wauconda?

In Wauconda, Washington, the average relative humidity in September is 60%.

How many days does it rain in September in Wauconda?

In Wauconda, in September, it is raining for 9.6 days, with typically 1.1" (28mm) of accumulated precipitation.

When does it start snowing in Wauconda?

September is the first month it typically snows in Wauconda, Washington. Throughout September, in the average 0.4 snowfall days, it receives 2.09" (53mm) of snow.

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

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

When is the sunrise / sunset in September in Wauconda?

On the first day of September, sunrise is at 6:14 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:36 pm PDT.

How long on average sun shines in September in Wauconda?

The average sunshine duration in September in Wauconda, Washington, is 10.4h.

How high is the UV index in September in Wauconda?

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Wauconda, WA

Average temperature in September - Wauconda, WA
  • Average high temperature in September: 67.8°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 (27°F).

  • Average low temperature in September: 42.8°F

The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure in September
Wauconda, WA

Average pressure in September - Wauconda, WA
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

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Average wind speed in September
Wauconda, WA

Average wind speed in September - Wauconda, WA
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).

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Average humidity in September
Wauconda, WA

Average humidity in September - Wauconda, WA
  • Average humidity in September: 60%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in September
Wauconda, WA

Average rainfall in September - Wauconda, WA
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").

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Average rainfall days in September
Wauconda, WA

Average rainfall days in September - Wauconda, WA
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).

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Average snowfall in September
Wauconda, WA

Average snowfall in September - Wauconda, WA
  • Average snowfall in September: 2.09"

The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Wauconda, WA

Average snowfall days in September - Wauconda, WA
  • Average snowfall days in September: 0.4 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Wauconda, 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 24min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in September
Wauconda, WA

Average sunshine days in September - Wauconda, WA
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).

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Average UV index in September
Wauconda, WA

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

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 1).

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Average cloud cover in September
Wauconda, WA

Average cloud cover in September - Wauconda, WA
  • Average cloud cover in September: 23

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in September
Wauconda, WA

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

The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

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Wauconda, Washington, USA

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