Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September brings a small change in high-temperatures, falling from a moderately hot 82.6°F (28.1°C) in August to an agreeable 70.7°F (21.5°C). Orin anticipates a considerable drop in temperature at night in September, with an average low of 42.6°F (5.9°C).Humidity
In September, the average relative humidity is 59%.Rainfall
In Orin, during September, the rain falls for 7.8 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Orin, during the entire year, the rain falls for 128.8 days and collects up to 13.62" (346mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.83" (21mm) of snow. In Orin, during the entire year, snow falls for 57.6 days and aggregates up to 27.87" (708mm) of snow.Daylight
In Orin, Washington, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:10 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:31 pm PDT.
Sunshine
The average sunshine in September in Orin is 10.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September in Orin?
When does it start snowing in Orin?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Orin, WA
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in September: 42.6°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in September
Orin, WA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Orin, WA
- Average wind speed in September: 3.5mph
The windiest month (with the highest average wind speed) is April (4mph).
The calmest months (with the lowest average wind speed) are January and December (3.1mph).
Average humidity in September
Orin, WA
- Average humidity in September: 59%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Orin, WA
- Average rainfall in September: 0.83"
The wettest months (with the highest rainfall) are November and December (1.54").
The driest month (with the least rainfall) is August (0.28").
Average rainfall days in September
Orin, WA
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in September
Orin, WA
- Average snowfall in September: 0.83"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Orin, WA
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Orin, WA
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Orin, WA
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in September
Orin, 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, November and December (UV index 1).
Average cloud cover in September
Orin, WA
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Orin, WA
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Orin, Washington, USA
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