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
Brookings experiences a recorded average high-temperature of a refreshing 66.7°F (19.3°C) in September, closely aligned with August's 68.5°F (20.3°C). September nights cool down to an average low-temperature of 53.6°F (12°C).Humidity
The months with the lowest humidity are July and September, with an average relative humidity of 76%.Rainfall
In Brookings, in September, during 5.9 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 130.9 rainfall days, and 47.09" (1196mm) of precipitation is accumulated.Snowfall
In Brookings, snow does not fall in January, March through December.Ocean temperature
In Brookings, the average seawater temperature in September is 53.2°F (11.8°C).Note: Danger awaits those who swim in 53.2°F (11.8°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
Daylight
In Brookings, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:43 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:59 pm PDT.
Sunshine
In Brookings, the average sunshine in September is 10.1h.UV index
In September, the average daily maximum UV index in Brookings is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the least humid month?
What is the average humidity in September?
How much does it rain in Brookings in September?
When it does not snow?
What is the ocean temperature in September?
How many hours of daylight does Brookings have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Brookings have in September?
How high is the UV index in September?
Average temperature in September
Brookings, OR
- Average high temperature in September: 66.7°F
The warmest months (with the highest average high temperature) are July and August (68.5°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is February (43°F).
Average pressure in September
Brookings, OR
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30"Hg).
Average wind speed in September
Brookings, OR
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is June (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in September
Brookings, OR
- Average humidity in September: 76%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are July and September (76%).
Average rainfall in September
Brookings, OR
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is December (8.11").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Brookings, OR
- Average rainfall days in September: 5.9 days
The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is July (2.2 days).
Average snowfall in September
Brookings, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Brookings, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Brookings, OR
- Average sea temperature in September: 53.2°F
The best month for swimming (with the highest average sea temperature) is July (53.5°F).
The coldest months (with the lowest average sea temperature) are January, February and April (50.8°F).
Average daylight in September /
Average sunshine in September
Brookings, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Brookings, OR
- Average sunshine days in September: 23.4 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (11 days).
Average UV index in September
Brookings, OR
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Brookings, OR
- Average cloud cover in September: 18
The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in September
Brookings, OR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Brookings, Oregon, USA
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