September weather forecast
Touchet, WA

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Weather in September

September, the first month of the autumn in Touchet, is still a warm month, with an average temperature ranging between max 74.3°F (23.5°C) and min 53.6°F (12°C).

Temperature

Touchet's weather changes with the onset of September, slightly falling from a moderately hot 84.6°F (29.2°C) in August to a still warm 74.3°F (23.5°C). In Touchet, September's nights observe an average temperature dip to a cool 53.6°F (12°C).

Humidity

In September, the average relative humidity is 47%.

Rainfall

In Touchet, in September, it is raining for 7.6 days, with typically 0.55" (14mm) of accumulated precipitation. In Touchet, during the entire year, the rain falls for 141.7 days and collects up to 15.12" (384mm) of precipitation.

Snowfall

January through April, September, November and December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Touchet, during the entire year, snow falls for 21.1 days and aggregates up to 9.09" (231mm) of snow.

Daylight

In Touchet, Washington, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:35 pm PDT.

Sunshine

In Touchet, Washington, the average sunshine in September is 10.5h.

UV index

In Touchet, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

What is the usual temperature for Touchet in September?

An average high-temperature, in September, in Touchet, is 74.3°F (23.5°C) and the average low-temperature is 53.6°F (12°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in July is estimated at 84.2°F (29°C).

What is the average humidity in September?

In Touchet, the average relative humidity in September is 47%.

How much does it rain in September?

In Touchet, in September, it is raining for 7.6 days, with typically 0.55" (14mm) of accumulated precipitation.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Touchet have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:35 pm PDT.

How many hours of sunshine does Touchet have in September?

In September, the average sunshine duration is 10.5h.

How high is the UV index in September?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Touchet, WA

Average temperature in September - Touchet, WA
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (37.4°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (27°F).

Average pressure in September
Touchet, WA

Average pressure in September - Touchet, WA
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).

Average wind speed in September
Touchet, WA

Average wind speed in September - Touchet, WA
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).

Average humidity in September
Touchet, WA

Average humidity in September - Touchet, WA
  • Average humidity in September: 47%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).

Average rainfall in September
Touchet, WA

Average rainfall in September - Touchet, WA
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in September
Touchet, WA

Average rainfall days in September - Touchet, WA
  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is March (17.4 days).
The month with the least rainy days is July (4.9 days).

Average snowfall in September
Touchet, WA

Average snowfall in September - Touchet, WA
  • Average snowfall in September: 0.08"

The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days in September
Touchet, WA

Average snowfall days in September - Touchet, WA
  • Average snowfall days in September: 0.1 days

The months with the highest number of snowfall days are February and December (6.1 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Touchet, 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: 10h and 3min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in September
Touchet, WA

Average sunshine days in September - Touchet, WA
  • Average sunshine days in September: 20.1 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (10 days).

Average UV index in September
Touchet, WA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Touchet, WA

Average cloud cover in September - Touchet, WA
  • Average cloud cover in September: 17

The months with the most cloud cover are January, February and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in September
Touchet, WA

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

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

Touchet, Washington, USA

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