September weather forecastCoquille, OR
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Coquille, Oregon, with an average temperature ranging between min 49.3°F (9.6°C) and max 68.9°F (20.5°C).Temperature
As August turns into September, the average high-temperatures rest at a still pleasant 68.9°F (20.5°C), showing a minor variation from the prior month. Coquille cools down to an average low-temperature of 49.3°F (9.6°C) throughout the month of September.Humidity
The months with the lowest humidity are July through October, with an average relative humidity of 80%.Rainfall
In Coquille, during September, the rain falls for 5.8 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, there are 122.4 rainfall days, and 18.94" (481mm) of precipitation is accumulated.Snowfall
March through October and December are months without snowfall in Coquille.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:41 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:58 pm PDT.
Sunshine
In September, the average sunshine is 9.8h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 during September leads to these advisories:
Guard yourself - Avoiding sunburn is suggested. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Coquille, OR
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (49.5°F).
- Average low temperature in September: 49.3°F
The month with the highest average low temperature is August (50°F).
The coldest months (with the lowest average low temperature) are February and December (39.2°F).
Average pressure in September
Coquille, 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
Coquille, OR
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Coquille, OR
- Average humidity in September: 80%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July, August, September and October (80%).
Average rainfall in September
Coquille, OR
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Coquille, OR
- Average rainfall days in September: 5.8 days
The month with the highest number of rainy days is March (16.1 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in September
Coquille, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Coquille, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Coquille, 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 0min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in September
Coquille, OR
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in September
Coquille, 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
Coquille, OR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in September
Coquille, OR
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are July and August (4mi).
