Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A minor adjustment in Depoe Bay's average high-temperature is noted with the start of September, touching a still refreshing 65.5°F (18.6°C) from August's 67.6°F (19.8°C). September brings Depoe Bay a consistent average low-temperature of 52°F (11.1°C).Humidity
April, May, July, September and October, with an average relative humidity of 81%, are the least humid months.Rainfall
In Depoe Bay, in September, it is raining for 6.8 days, with typically 0.91" (23mm) of accumulated precipitation. In Depoe Bay, during the entire year, the rain falls for 139.5 days and collects up to 18.66" (474mm) of precipitation.Snowfall
March through October and December are months without snowfall.Ocean temperature
In Depoe Bay, Oregon, in September, the average water temperature is 55.6°F (13.1°C).Note: With an efficient thermal swimsuit, one can navigate 55.6°F (13.1°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F (13°C) feels chilly.
Daylight
In September, the average length of the day is 12h and 30min.On the first day of September in Depoe Bay, sunrise is at 6:39 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:57 pm PDT.
Sunshine
In September, the average sunshine is 9h.UV index
The average daily maximum UV index in September is 4. 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 4 during September translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What are the least humid months?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the water temperature in September?
How many hours of daylight does Depoe Bay have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Depoe Bay, OR
- Average high temperature in September: 65.5°F
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in September
Depoe Bay, OR
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed in September
Depoe Bay, OR
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Depoe Bay, OR
- Average humidity in September: 81%
The months with the highest relative humidity are February, March, November and December (83%).
The months with the lowest relative humidity are April, May, July, September and October (81%).
Average rainfall in September
Depoe Bay, OR
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Depoe Bay, OR
- Average rainfall days in September: 6.8 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (3.7 days).
Average snowfall in September
Depoe Bay, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Depoe Bay, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Depoe Bay, OR
- Average sea temperature in September: 55.6°F
The best month for swimming (with the highest average sea temperature) is July (57.6°F).
The coldest month (with the lowest average sea temperature) is February (49.4°F).
Average daylight in September /
Average sunshine in September
Depoe Bay, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in September
Depoe Bay, OR
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in September
Depoe Bay, 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
Depoe Bay, OR
- Average cloud cover in September: 34
The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Depoe Bay, OR
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Depoe Bay, Oregon, USA
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