September weather forecastNorway, OR
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Norway, Oregon, with an average temperature ranging between max 70.5°F (21.4°C) and min 47.8°F (8.8°C).Temperature
Norway experiences a recorded average high-temperature of a pleasant 70.5°F (21.4°C) in September, closely aligned with August's 74.1°F (23.4°C). Despite a significant daily temperature range, Norway's temperature falls to a steady low-temperature average of 47.8°F (8.8°C) in September.Humidity
July through September, with an average relative humidity of 78%, are the least humid months.Rainfall
In Norway, Oregon, in September, during 6.7 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Norway, Oregon, during the entire year, the rain falls for 148.1 days and collects up to 30.87" (784mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:58 pm PDT.
Sunshine
The average sunshine in September is 9.7h.UV index
In Norway, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Norway, OR
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (49.1°F).
- Average low temperature in September: 47.8°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is February (37.4°F).
Average pressure in September
Norway, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in September
Norway, OR
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Norway, OR
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in September
Norway, OR
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is December (5.12").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Norway, OR
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is March (19.1 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Norway, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Norway, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Norway, 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 42min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 36min).
Average sunshine days in September
Norway, OR
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in September
Norway, OR
- 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 February, November and December (UV index 2).
Average cloud cover in September
Norway, OR
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in September
Norway, OR
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, October, November and December (5mi).
The months with the lowest visibility are June, July, August and September (4mi).
