September weather forecast
Norway, OR

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Weather in September

The first month of the autumn, September, is still a pleasant month in Norway, Oregon, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 70.5°F (21.4°C).

Temperature

Stepping into September, Norway records an average high-temperature of a pleasant 70.5°F (21.4°C), almost consistent with August. Norway's average low-temperature of 47.8°F (8.8°C) in September reflects a significant disparity from the daytime highs.

Humidity

The months with the lowest humidity in Norway are July through September, with an average relative humidity of 78%.

Rainfall

In Norway, in September, it is raining for 6.7 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 148.1 rainfall days, and 30.87" (784mm) of precipitation is accumulated.

Snowfall

In Norway, snow does not fall in April through October and December.

Daylight

In Norway, Oregon, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:58 pm PDT.

Sunshine

In September, the average sunshine is 9.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

What is the temperature in September in Norway?

The high-temperature, in September, in Norway, is 70.5°F (21.4°C), while the low-temperature averages to 47.8°F (8.8°C).

What are the least humid months in Norway?

July through September, with an average relative humidity of 78%, are the least humid months in Norway.

What is the average humidity in September in Norway?

The average relative humidity in September in Norway is 78%.

How many days does it rain in September in Norway?

In Norway, Oregon, in September, it is raining for 6.7 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Norway?

April through October and December are months without snowfall.

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

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

When are sunrise and sunset in September in Norway?

On the first day of September, sunrise is at 6:41 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:58 pm PDT.

How many hours of sunshine does Norway have in September?

In September, the average sunshine duration in Norway is 9.7h.

What is the UV index reading in September in Norway?

The average daily maximum UV index in September in Norway, Oregon, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Norway, OR

Average temperature in September - Norway, OR
  • Average high temperature in September: 70.5°F

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (49.1°F).

  • Average low temperature in September: 47.8°F

The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is February (37.4°F).

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Average pressure in September
Norway, OR

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

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

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Average wind speed in September
Norway, OR

Average wind speed in September - Norway, OR
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Norway, OR

Average humidity in September - Norway, OR
  • Average humidity in September: 78%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July, August and September (78%).

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Average rainfall in September
Norway, OR

Average rainfall in September - Norway, OR
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is December (5.12").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in September
Norway, OR

Average rainfall days in September - Norway, OR
  • Average rainfall days in September: 6.7 days

The month with the highest number of rainy days is March (19.1 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in September
Norway, OR

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

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

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Average snowfall days in September
Norway, OR

Average snowfall days in September - Norway, OR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

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

Average daylight in September / Average sunshine in September - Norway, 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 4min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 36min).

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Average sunshine days in September
Norway, OR

Average sunshine days in September - Norway, OR
  • Average sunshine days in September: 21.5 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (10.5 days).

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Average UV index in September
Norway, OR

Average UV index in September - Norway, 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).

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Average cloud cover in September
Norway, OR

Average cloud cover in September - Norway, OR
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in September
Norway, OR

Average visibility in September - Norway, OR
  • Average visibility in September: 4mi

The months with the highest visibility are January, February, March, April, May, October, November and December (5mi).
The months with the lowest visibility are June, July, August and September (4mi).

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Norway, Oregon, USA

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