September weather forecast
Bandon, OR

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A wooden staircase pier, the pebbly and rocky coast of Bandon, Oregon
A wooden staircase pier, the pebbly and rocky coast of Bandon, Oregon

Weather in September

September marks the start of fall in Bandon, Oregon. Temperatures begin to drop, with average highs reaching 65.3°F (18.5°C), indicating the transition towards cooler months. As summer recedes, rainfall begins to increase to about 1.1" (28mm), preparing the city for the wet winter season. A moderate wind speed and humidity level ensure a comfortable climate for those who prefer milder temperatures. Despite the decline in daylight, September still provides ample sunshine hours, making outdoor activities and sightseeing enjoyable.

Temperature

The advent of September signifies a minor shift to an average high-temperature of a still refreshing 65.3°F (18.5°C), aligning closely with August. Throughout September nights, Bandon experiences a consistent temperature average of 53.6°F (12°C).

Humidity

The average relative humidity in September in Bandon is 81%.

Rainfall

In Bandon, Oregon, in September, it is raining for 7.2 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 148.6 rainfall days, and 34.13" (867mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day in Bandon is 12h and 29min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:14 am and sunset at 6:59 pm PDT.

Sunshine

In Bandon, the average sunshine in September is 9.9h.

UV index

In Bandon, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the temperature in September in Bandon?

The high-temperature in Bandon, Oregon, during September is 65.3°F (18.5°C) and the low-temperature is 53.6°F (12°C).

What is the average humidity in September in Bandon?

The average relative humidity in September in Bandon is 81%.

How many days does it rain in September in Bandon?

In September, in Bandon, Oregon, the rain falls for 7.2 days. Throughout September, 1.1" (28mm) of precipitation is accumulated.

When it does not snow in Bandon?

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

What is the average length of the day in September in Bandon?

In September, the average day length in Bandon, Oregon, is 12h and 29min.

When is the sunrise / sunset in September in Bandon?

On the first day of September in Bandon, sunrise is at 6:42 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:59 pm PDT.

How long on average sun shines in September in Bandon?

In Bandon, Oregon, the average sunshine duration in September is 9.9h.

What is the UV index reading in September in Bandon?

In September, the average daily maximum UV index in Bandon is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Bandon, OR

Average temperature in September - Bandon, OR
  • Average high temperature in September: 65.3°F

The warmest month (with the highest average high temperature) is August (66°F).
The month with the lowest average high temperature is December (50.5°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is February (43°F).

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Average pressure in September
Bandon, OR

Average pressure in September - Bandon, OR
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).

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Average wind speed in September
Bandon, OR

Average wind speed in September - Bandon, OR
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest months (with the lowest average wind speed) are August and September (8.1mph).

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Average humidity in September
Bandon, OR

Average humidity in September - Bandon, OR
  • Average humidity in September: 81%

The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are April, October and December (80%).

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Average rainfall in September
Bandon, OR

Average rainfall in September - Bandon, OR
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is December (5.83").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in September
Bandon, OR

Average rainfall days in September - Bandon, OR
  • Average rainfall days in September: 7.2 days

The month with the highest number of rainy days is March (18.9 days).
The months with the least rainy days are July and August (3.6 days).

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Average snowfall in September
Bandon, OR

Average snowfall in September - Bandon, OR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.39").
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
Bandon, OR

Average snowfall days in September - Bandon, 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 March, April, May, June, July, August, September, October and December (0 days).

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

Average daylight in September / Average sunshine in September - Bandon, OR
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in September
Bandon, OR

Average sunshine days in September - Bandon, OR
  • Average sunshine days in September: 21.7 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (10.4 days).

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Average UV index in September
Bandon, OR

Average UV index in September - Bandon, OR
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 2).

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Average cloud cover in September
Bandon, OR

Average cloud cover in September - Bandon, OR
  • Average cloud cover in September: 25

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 24).

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Average visibility in September
Bandon, OR

Average visibility in September - Bandon, 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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Bandon, Oregon, USA

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