September weather forecastAshwood, OR
September
Weather in September
September, the first month of the autumn in Ashwood, is also an agreeable month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 48.6°F (9.2°C).Temperature
Ashwood's progression into September involves a drop in the average high-temperature, receding from a moderately hot 81.7°F (27.6°C) in August to an agreeable 72.5°F (22.5°C). Despite the drastic temperature difference, Ashwood records an average nighttime low of 48.6°F (9.2°C) throughout September.Humidity
In Ashwood, the average relative humidity in September is 55%.Rainfall
In Ashwood, in September, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation. In Ashwood, during the entire year, the rain falls for 121.1 days and collects up to 11.38" (289mm) of precipitation.Snowfall
Months with snowfall are January through May, September, November and December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Ashwood, during the entire year, snow falls for 35.3 days and aggregates up to 17.6" (447mm) of snow.Daylight
In Ashwood, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:44 pm PDT.
Sunshine
In September, the average sunshine is 10.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be vigilant - Preventing sunburn is recommended. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ashwood, OR
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in September
Ashwood, OR
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in September
Ashwood, OR
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Ashwood, OR
- Average humidity in September: 55%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in September
Ashwood, OR
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Ashwood, OR
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).
Average snowfall in September
Ashwood, OR
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in September
Ashwood, OR
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ashwood, OR
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Ashwood, OR
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in September
Ashwood, OR
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Ashwood, OR
- Average cloud cover in September: 18
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in September
Ashwood, OR
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
