September weather forecastRedland, OR
September
Weather in September
The first month of the autumn, September, is still a warm month in Redland, Oregon, with an average temperature ranging between min 50.5°F (10.3°C) and max 73.6°F (23.1°C).Temperature
The onset of September brings a small shift in high-temperatures, falling from 81.1°F (27.3°C) in August to a still moderately hot 73.6°F (23.1°C). Throughout the month of September, Redland observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 50.5°F (10.3°C).Humidity
In Redland, the average relative humidity in September is 69%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 169.9 rainfall days, and 32.76" (832mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Redland, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:51 pm PDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In Redland, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Redland, OR
- Average high temperature in September: 73.6°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 (44.4°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in September
Redland, 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
Redland, OR
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in September
Redland, OR
- Average humidity in September: 69%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Redland, OR
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is December (5.16").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Redland, OR
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (4 days).
Average snowfall in September
Redland, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Redland, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Redland, 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: 9h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Redland, OR
- Average sunshine days in September: 19 days
The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in September
Redland, OR
- Average UV index in September: 4
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 2).
Average cloud cover in September
Redland, OR
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Redland, OR
- Average visibility in September: 6mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
