September weather forecast
Brookings, OR

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Classy homes built near the brown sand and rocky shores of the coastline in Brookings, Oregon
Classy homes built near the brown sand and rocky shores of the coastline in Brookings, Oregon

Weather in September

The city of Brookings in September strikes a delicate balance between climatic extremes. Compared to the warm August, there is a slight dip in temperatures signifying the advent of the fall season. In spite of the temperature drop, the sea temperature takes on a comfortable warmth ideal for swimming and other recreational water activities. Interestingly, September also marks the beginning of a wetter period after summer's drought with a rainfall of 1.14" (29mm). But the most captivating aspect is the longer sunshine hours of 10.1 outreaching its predecessor month.

Temperature

The average high-temperature during September registers at a comfortable 66.7°F (19.3°C), maintaining a close resemblance to the previous month. Throughout September, Brookings's nights cool down to an average of 53.6°F (12°C).

Humidity

The months with the lowest humidity in Brookings are July and September, with an average relative humidity of 76%.

Rainfall

In Brookings, during September, the rain falls for 5.9 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Brookings, during the entire year, the rain falls for 130.9 days and collects up to 47.09" (1196mm) of precipitation.

Snowfall

In Brookings, snow does not fall in January, March through December.

Ocean temperature

In September, the average ocean temperature is 53.2°F (11.8°C).
Note: Swimming in 53.2°F (11.8°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.

Daylight

In Brookings, the average length of the day in September is 12h and 28min.
On the first day of September in Brookings, 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

The average sunshine in September is 10.1h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What is the temperature in September in Brookings?

During September, Brookings experiences an average high-temperature of 66.7°F (19.3°C) and a low-temperature of 53.6°F (12°C).

What are the least humid months in Brookings?

July and September, with an average relative humidity of 76%, are the least humid months in Brookings, Oregon.

What is the average humidity in September in Brookings?

The average relative humidity in September in Brookings, Oregon, is 76%.

How many days does it rain in September in Brookings?

In September, in Brookings, Oregon, the rain falls for 5.9 days. Throughout September, 1.14" (29mm) of precipitation is accumulated.

When it does not snow in Brookings?

In Brookings, snow does not fall in January, March through December.

What is the water temperature in September in Brookings?

In Brookings, the average seawater temperature in September is 53.2°F (11.8°C). Swimming in 53.2°F (11.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Brookings have in September?

The average day length in September is 12h and 28min.

When are sunrise and sunset in September in Brookings?

On the first day of September in Brookings, 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.

How many hours of sunshine does Brookings have in September?

In Brookings, the average sunshine duration in September is 10.1h.

What is the UV index intensity in September in Brookings?

The average daily maximum UV index in September in Brookings, Oregon, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Brookings, OR

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).

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Average pressure in September
Brookings, OR

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).

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Average wind speed in September
Brookings, OR

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).

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Average humidity in September
Brookings, OR

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%).

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Average rainfall in September
Brookings, OR

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").

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Average rainfall days in September
Brookings, OR

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).

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Average snowfall in September
Brookings, OR

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").

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Average snowfall days in September
Brookings, OR

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).

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Average sea temperature in September
Brookings, OR

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).

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Average daylight in September /
Average sunshine in September
Brookings, OR

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).

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Average sunshine days in September
Brookings, OR

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).

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Average UV index in September
Brookings, OR

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).

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Average cloud cover in September
Brookings, OR

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).

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Average visibility in September
Brookings, OR

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).

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Brookings, Oregon, USA

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