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 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
Seal Rock's entry into September measures an average high-temperature of a still comfortable 66°F (18.9°C), closely parallel to the preceding month. Nighttime temperatures hover around an average low of 51.6°F (10.9°C) in September.Humidity
April through July, September and October, with an average relative humidity of 81%, are the least humid months in Seal Rock.Rainfall
In Seal Rock, in September, it is raining for 6.7 days, with typically 0.79" (20mm) of accumulated precipitation. In Seal Rock, Oregon, during the entire year, the rain falls for 130.2 days and collects up to 16.34" (415mm) of precipitation.Snowfall
March through December are months without snowfall in Seal Rock.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:40 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:58 pm PDT.
Sunshine
In Seal Rock, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Seal Rock, Oregon, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are the temperatures in Seal Rock in September?
What is the least humid month in Seal Rock?
What is the average humidity in September in Seal Rock?
How much does it rain in Seal Rock in September?
When it does not snow in Seal Rock?
How many hours of daylight does Seal Rock have in September?
When are sunrise and sunset in September in Seal Rock?
How long on average sun shines in September in Seal Rock?
What is the UV index intensity in September in Seal Rock?
Average temperature in September
Seal Rock, OR
- Average high temperature in September: 66°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 (47.8°F).
- Average low temperature in September: 51.6°F
The months with the highest average low temperature are July and August (53.1°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).
Average pressure in September
Seal Rock, OR
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).
Average wind speed in September
Seal Rock, OR
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Seal Rock, OR
- Average humidity in September: 81%
The months with the highest relative humidity are January, February, March, November and December (83%).
The months with the lowest relative humidity are April, May, June, July, September and October (81%).
Average rainfall in September
Seal Rock, OR
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Seal Rock, OR
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (3 days).
Average snowfall in September
Seal Rock, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Seal Rock, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 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
Seal Rock, 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 1min
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
Seal Rock, OR
- Average sunshine days in September: 22.2 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in September
Seal Rock, 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
Seal Rock, OR
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Seal Rock, 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).
Seal Rock, Oregon, USA
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