September weather forecastSnee Oosh, WA
September
Weather in September
September, the first month of the autumn in Snee Oosh, is still a comfortable month, with an average temperature varying between 62.4°F (16.9°C) and 53.4°F (11.9°C).Temperature
Snee Oosh's average high-temperature marks a still comfortable 62.4°F (16.9°C) with the advent of September, closely mirroring that of the preceding month. Snee Oosh's nighttime temperatures in September display a slight drop from daytime highs, averaging to a cool 53.4°F (11.9°C).Humidity
In September, the average relative humidity in Snee Oosh, Washington, is 79%.Rainfall
In Snee Oosh, in September, it is raining for 13.3 days, with typically 2.28" (58mm) of accumulated precipitation. In Snee Oosh, during the entire year, the rain falls for 182.3 days and collects up to 30.2" (767mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:28 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:50 pm PDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. To guard against the harmful effects of the Sun, minimize exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Snee Oosh, WA
- Average high temperature in September: 62.4°F
The warmest month (with the highest average high temperature) is July (66.9°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is February (38.1°F).
Average pressure in September
Snee Oosh, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in September
Snee Oosh, WA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is November (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Snee Oosh, WA
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (81%).
The month with the lowest relative humidity is July (76%).
Average rainfall in September
Snee Oosh, WA
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is November (4.45").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in September
Snee Oosh, WA
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in September
Snee Oosh, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Snee Oosh, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Snee Oosh, WA
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in September
Snee Oosh, WA
- Average sunshine days in September: 15.4 days
The months with the most sunshine days are July and August (22.7 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Snee Oosh, WA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Snee Oosh, WA
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Snee Oosh, 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).
