September weather forecast
Thorp, WA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Thorp, Washington, with an average temperature varying between 71.1°F (21.7°C) and 49.1°F (9.5°C).

Temperature

Thorp experiences a temperature shift at the start of September, with average high-temperatures adjusting from a moderately hot 82°F (27.8°C) in August to an agreeable 71.1°F (21.7°C). Thorp experiences a significant contrast between daily highs and an average nighttime temperature of 49.1°F (9.5°C) during September.

Humidity

The average relative humidity in September is 54%.

Rainfall

In September, in Thorp, the rain falls for 6.1 days. Throughout September, 0.47" (12mm) of precipitation is accumulated. In Thorp, during the entire year, the rain falls for 99.9 days and collects up to 8.66" (220mm) of precipitation.

Snowfall

January through April, September through December are months with snowfall in Thorp. September is the first month it typically snows in Thorp. Throughout September, in the average 0.3 snowfall days, it receives 0.31" (8mm) of snow. In Thorp, during the entire year, snow falls for 35.4 days and aggregates up to 15.59" (396mm) of snow.

Daylight

In September, the average length of the day in Thorp is 12h and 32min.
On the first day of September in Thorp, sunrise is at 6:23 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:43 pm PDT.

Sunshine

In September, the average sunshine in Thorp is 10.7h.

UV index

In Thorp, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Boost your sun resistance with garments that are densely woven yet spacious. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What are September temperatures in Thorp?

In Thorp, in September, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 49.1°F (9.5°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 82.4°F (28°C).

What is the average humidity in September in Thorp?

In September, the average relative humidity in Thorp, Washington, is 54%.

How much does it rain in Thorp in September?

In September, in Thorp, Washington, the rain falls for 6.1 days. Throughout September, 0.47" (12mm) of precipitation is accumulated.

When does it start snowing in Thorp?

September is the first month it typically snows in Thorp, Washington. Throughout September, in the average 0.3 snowfall days, it receives 0.31" (8mm) of snow.

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

In Thorp, the average day length in September is 12h and 32min.

When is the sunrise / sunset in September in Thorp?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:43 pm PDT.

How long on average sun shines in September in Thorp?

The average sunshine duration in September in Thorp, Washington, is 10.7h.

What is the UV index reading in September in Thorp?

The average daily maximum UV index in September in Thorp, Washington, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Thorp, WA

Average temperature in September - Thorp, WA
  • Average high temperature in September: 71.1°F

The warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is December (33.3°F).

  • Average low temperature in September: 49.1°F

The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).

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Average pressure in September
Thorp, WA

Average pressure in September - Thorp, WA
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).

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Average wind speed in September
Thorp, WA

Average wind speed in September - Thorp, WA
  • Average wind speed in September: 6.9mph

The windiest month (with the highest average wind speed) is June (8.9mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

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Average humidity in September
Thorp, WA

Average humidity in September - Thorp, WA
  • Average humidity in September: 54%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (46%).

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Average rainfall in September
Thorp, WA

Average rainfall in September - Thorp, WA
  • Average rainfall in September: 0.47"

The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in September
Thorp, WA

Average rainfall days in September - Thorp, WA
  • Average rainfall days in September: 6.1 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (2.8 days).

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Average snowfall in September
Thorp, WA

Average snowfall in September - Thorp, WA
  • Average snowfall in September: 0.31"

The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in September
Thorp, WA

Average snowfall days in September - Thorp, WA
  • Average snowfall days in September: 0.3 days

The months with the highest number of snowfall days are January and December (8.7 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

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Average sunshine days in September
Thorp, WA

Average sunshine days in September - Thorp, WA
  • Average sunshine days in September: 22.8 days

The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is February (13.5 days).

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Average UV index in September
Thorp, WA

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

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

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Average cloud cover in September
Thorp, WA

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

The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in September
Thorp, WA

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

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).

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Thorp, Washington, USA

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