September weather forecastCashmere, WA
September
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 12h and 30min
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 42min
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: 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: 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: 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: 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).
