September weather forecast and climate
Conconully, WA

Weather in September

The first month of the autumn, September, is also an agreeable month in Conconully, Washington, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 47.3°F (8.5°C).

Temperature

In September, the average high-temperature drops, from a warm 82.4°F (28°C) in August, to a pleasant 70.9°F (21.6°C). The average low-temperature,, is 47.3°F (8.5°C).

Humidity

In Conconully, the average relative humidity is 52%.

Rainfall

In September, the rain falls for 5.3 days. Throughout September, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 90.2 rainfall days, and 7.56" (192mm) of precipitation is accumulated.

Snowfall

In Conconully snow does not fall in May through October.

Daylight

In September, the average length of the day in Conconully is 12.6h.

Sunshine

The average sunshine in September is 10.8h.

UV index

The average daily maximum UV index in Conconully is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sun damage is advised. 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 Conconully?

The average relative humidity in September is 52%.

How much does it rain in Conconully in September?

In September, in Conconully, Washington, the rain falls for 5.3 days. Throughout September, 0.51" (13mm) of precipitation is accumulated.

When it does not snow in Conconully?

May through October are months without snowfall.

How many hours of daylight does Conconully have in September?

In September, the average length of the day in Conconully, Washington, is 12.6h.

How long on average sun shines in September in Conconully?

The average sunshine in September in Conconully is 10.8h.

What is the UV index intensity in September in Conconully?

In September, the average daily maximum UV index in Conconully is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Conconully, WA

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

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in September: 47.3°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (18.1°F).

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Average pressure in September
Conconully, WA

Average pressure in September - Conconully, WA
  • Average pressure in September: 29.97"

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.93").

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Average wind speed in September
Conconully, WA

Average wind speed in September - Conconully, WA
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is April (5.1mph).
The calmest month (with the lowest average wind speed) is January (4mph).

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Average humidity in September
Conconully, WA

Average humidity in September - Conconully, WA
  • Average humidity in September: 52%

The month with the highest relative humidity is January (91%).
Months with the lowest relative humidity are July and August (42%).

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Average rainfall in September
Conconully, WA

Average rainfall in September - Conconully, WA
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is December (0.94").
The driest months (with the least rainfall) are July and August (0.2").

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Average rainfall days in September
Conconully, WA

Average rainfall days in September - Conconully, WA
  • Average rainfall days in September: 5.3 days

The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is August (2.8 days).

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Average snowfall in September
Conconully, WA

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

The month with the highest snowfall is January (3.39").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Conconully, WA

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

The month with the highest number of snowfall days is December (8.4 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Conconully, WA
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in September: 10.8h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 4.5h).

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Average sunshine days in September
Conconully, WA

Average sunshine days in September - Conconully, WA
  • Average sunshine days in September: 23.4 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is November (15.4 days).

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Average UV index in September
Conconully, WA

Average UV index in September - Conconully, 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
Conconully, WA

Average cloud cover in September - Conconully, WA
  • Average cloud cover in September: 18

The month with the most cloud cover is January (Cloud cover 49).
Months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in September
Conconully, WA

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

Months with the highest visibility are April, May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February and December (4mi).

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