September weather forecastMinam, OR
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Minam, Oregon, with an average temperature varying between 45.1°F (7.3°C) and 71.6°F (22°C).Temperature
The shift from August to September corresponds with a decrease in the average high-temperature, down to an agreeable 71.6°F (22°C) from a moderately hot 81.1°F (27.3°C). The anticipated average low-temperature for September, a frosty 45.1°F (7.3°C), shows a substantial deviation from the daytime maximums.Humidity
In September, the average relative humidity is 54%.Rainfall
In Minam, during September, the rain falls for 6.5 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Minam, during the entire year, the rain falls for 137.5 days and collects up to 20.94" (532mm) of precipitation.Snowfall
Months with snowfall 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 0.16" (4mm) of snow. Throughout the year, in Minam, there are 68.6 snowfall days, and 52.4" (1331mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:13 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:32 pm PDT.
Sunshine
The average sunshine in September is 10.4h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Minam, OR
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in September: 45.1°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (21°F).
Average pressure in September
Minam, OR
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in September
Minam, OR
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Minam, OR
- Average humidity in September: 54%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Minam, OR
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Minam, OR
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in September
Minam, OR
- Average snowfall in September: 0.16"
The month with the highest snowfall is February (13.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Minam, OR
- Average snowfall days in September: 0.2 days
The months with the highest number of snowfall days are February and December (14.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Minam, OR
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 24min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Minam, OR
- Average sunshine days in September: 21.8 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in September
Minam, OR
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Minam, OR
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Minam, OR
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).
