September weather forecastCountry Homes, WA
September
Weather in September
September, the first month of the autumn in Country Homes, is still a pleasant month, with an average temperature ranging between min 50.7°F (10.4°C) and max 72.9°F (22.7°C).Temperature
September's onset brings a reduction in the average high-temperature, from a warm 83.7°F (28.7°C) in August to an agreeable 72.9°F (22.7°C). Country Homes undergoes a major shift from daytime highs, averaging a cool 50.7°F (10.4°C) during the night in September.Humidity
In September, the average relative humidity is 48%.Rainfall
In September, in Country Homes, Washington, the rain falls for 7.5 days. Throughout September, 0.63" (16mm) of precipitation is accumulated. In Country Homes, Washington, during the entire year, the rain falls for 127.8 days and collects up to 16.93" (430mm) of precipitation.Snowfall
Months with snowfall in Country Homes, Washington, are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.47" (12mm) of snow. In Country Homes, during the entire year, snow falls for 62.3 days and aggregates up to 37.83" (961mm) of snow.Daylight
The average length of the day in September in Country Homes, Washington, is 12h and 33min.On the first day of September, sunrise is at 6:09 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:30 pm PDT.
Sunshine
In Country Homes, the average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Country Homes, WA
- Average high temperature in September: 72.9°F
The warmest months (with the highest average high temperature) are July and August (83.7°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in September
Country Homes, WA
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in September
Country Homes, WA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Country Homes, WA
- Average humidity in September: 48%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Country Homes, WA
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is March (2.13").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in September
Country Homes, WA
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in September
Country Homes, WA
- Average snowfall in September: 0.47"
The month with the highest snowfall is January (10.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Country Homes, WA
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Country Homes, 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 12min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in September
Country Homes, WA
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in September
Country Homes, 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 February and December (UV index 1).
Average cloud cover in September
Country Homes, WA
- Average cloud cover in September: 20
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in September
Country Homes, 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).





