September weather forecast
South Beach, OR

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Weather in September

The first month of the autumn, September, is also an enjoyable month in South Beach, Oregon, with an average temperature fluctuating between 52°F (11.1°C) and 65.5°F (18.6°C).

Temperature

South Beach measures an average high-temperature of a still refreshing 65.5°F (18.6°C) in September, nearly consistent with the preceding month. South Beach anticipates an average minimum temperature of 52°F (11.1°C) in the month of September.

Humidity

The months with the lowest humidity are April, May, July, September and October, with an average relative humidity of 81%.

Rainfall

In South Beach, in September, it is raining for 6.8 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 139.5 rainfall days, and 18.66" (474mm) of precipitation is accumulated.

Snowfall

March through October and December are months without snowfall.

Daylight

In September, the average length of the day is 12h and 30min.
On the first day of September in South Beach, sunrise is at 6:39 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:57 pm PDT.

Sunshine

In September, the average sunshine in South Beach, Oregon, is 9h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Take precautions - Protection against sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

What is the usual temperature for South Beach in September?

The high-temperature, in September, in South Beach, records 65.5°F (18.6°C), while the low-temperature is 52°F (11.1°C).

What are the least humid months?

April, May, July, September and October, with an average relative humidity of 81%, are the least humid months in South Beach.

What is the average humidity in September?

In South Beach, the average relative humidity in September is 81%.

How much does it rain in September?

In South Beach, during September, the rain falls for 6.8 days and regularly aggregates up to 0.91" (23mm) of precipitation.

When it does not snow in South Beach?

In South Beach, snow does not fall in March through October and December.

How many hours of daylight does South Beach have in September?

In September, the average day length is 12h and 30min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:39 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:57 pm PDT.

How long on average sun shines in September?

In South Beach, the average sunshine duration in September is 9h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index estimate 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
South Beach, OR

Average temperature in September - South Beach, 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
South Beach, OR

Average pressure in September - South Beach, 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
South Beach, OR

Average wind speed in September - South Beach, 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
South Beach, OR

Average humidity in September - South Beach, 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
South Beach, OR

Average rainfall in September - South Beach, 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
South Beach, OR

Average rainfall days in September - South Beach, 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
South Beach, OR

Average snowfall in September - South Beach, 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
South Beach, OR

Average snowfall days in September - South Beach, 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 daylight in September /
Average sunshine in September
South Beach, OR

Average daylight in September / Average sunshine in September - South Beach, 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
South Beach, OR

Average sunshine days in September - South Beach, 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
South Beach, OR

Average UV index in September - South Beach, 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
South Beach, OR

Average cloud cover in September - South Beach, 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
South Beach, OR

Average visibility in September - South Beach, 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).

South Beach, Oregon, USA

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