September weather forecast
Cashmere, WA

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Weather in September

September, the first month of the autumn in Cashmere, is also an agreeable month, with an average temperature fluctuating between 70.7°F (21.5°C) and 46.4°F (8°C).

Temperature

In Cashmere, entering September brings a temperature decrement, reducing from August's moderately hot 82.2°F (27.9°C) to a pleasant 70.7°F (21.5°C). September nights present a stark temperature decrease to a chilly 46.4°F (8°C).

Humidity

In September, the average relative humidity is 58%.

Rainfall

In Cashmere, during September, the rain falls for 6.3 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Cashmere, during the entire year, the rain falls for 113.5 days and collects up to 12.32" (313mm) of precipitation.

Snowfall

In Cashmere, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 33min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:42 pm PDT.

Sunshine

The average sunshine in September is 10.7h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Cashmere in September?

In Cashmere, in September, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 46.4°F (8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in September?

In Cashmere, the average relative humidity in September is 58%.

How much does it rain in September?

In Cashmere, Washington, in September, during 6.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

When it does not snow?

In Cashmere, snow does not fall in May through October.

What is the average length of the day in September?

In September, the average day length is 12h and 33min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:42 pm PDT.

How long on average sun shines in September?

In Cashmere, the average sunshine duration in September is 10.7h.

What is the UV index reading in September?

In Cashmere, the average daily maximum UV index in September is 3. 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
Cashmere, WA

Average temperature in September - Cashmere, WA
  • Average high temperature in September: 70.7°F

The warmest months (with the highest average high temperature) are July and August (82.2°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in September: 46.4°F

The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in September
Cashmere, WA

Average pressure in September - Cashmere, 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).

Average wind speed in September
Cashmere, WA

Average wind speed in September - Cashmere, WA
  • Average wind speed in September: 4.8mph

The windiest months (with the highest average wind speed) are June and July (5.8mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

Average humidity in September
Cashmere, WA

Average humidity in September - Cashmere, WA
  • Average humidity in September: 58%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (49%).

Average rainfall in September
Cashmere, WA

Average rainfall in September - Cashmere, WA
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is January (2.05").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in September
Cashmere, WA

Average rainfall days in September - Cashmere, WA
  • Average rainfall days in September: 6.3 days

The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (3.3 days).

Average snowfall in September
Cashmere, WA

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

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

Average snowfall days in September
Cashmere, WA

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

The month with the highest number of snowfall days is December (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in September
Cashmere, WA

Average sunshine days in September - Cashmere, WA
  • Average sunshine days in September: 22 days

The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is March (12.4 days).

Average UV index in September
Cashmere, WA

Average UV index in September - Cashmere, 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, March, November and December (UV index 2).

Average cloud cover in September
Cashmere, WA

Average cloud cover in September - Cashmere, WA
  • Average cloud cover in September: 20

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in September
Cashmere, WA

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

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

Cashmere, Washington, USA

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