September weather forecastTenmile, OR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Tenmile, Oregon, with an average temperature ranging between min 44.4°F (6.9°C) and max 74.8°F (23.8°C).Temperature
September sees a slight reduction in average high-temperature, with a shift from 81°F (27.2°C) in August to a still moderately hot 74.8°F (23.8°C). Significant variation from daytime temperatures marks September, with the month recording a nightly average of 44.4°F (6.9°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In Tenmile, in September, during 6.6 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 148.4 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
In Tenmile, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:56 pm PDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In Tenmile, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tenmile, OR
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in September: 44.4°F
The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in September
Tenmile, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in September
Tenmile, OR
- Average wind speed in September: 3.2mph
The windiest month (with the highest average wind speed) is January (4mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).
Average humidity in September
Tenmile, OR
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Tenmile, OR
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in September
Tenmile, OR
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in September
Tenmile, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Tenmile, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Tenmile, OR
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Tenmile, OR
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in September
Tenmile, OR
- 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
Tenmile, OR
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Tenmile, OR
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
