September weather forecast
Oregon, WI

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Weather in September

The first month of the autumn, September, is still a pleasant month in Oregon, Wisconsin, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 52°F (11.1°C).

Temperature

September ushers in a minor alteration in Oregon's climate, with the average high-temperature moving from August's warm 77.5°F (25.3°C) to a pleasant 71.2°F (21.8°C). In September, Oregon encounters an average low-temperature of 52°F (11.1°C) during the night.

Humidity

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

Rainfall

In September, the rain falls for 7.7 days. Throughout September, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 92.1 rainfall days, and 7.28" (185mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of September, sunrise is at 6:22 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm CDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 3 during September leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

The high-temperature, in September, in Oregon, is 71.2°F (21.8°C), while the low-temperature averages to 52°F (11.1°C).

What is the average humidity in September?

In September, the average relative humidity is 81%.

How much does it rain in September?

In September, the rain falls for 7.7 days. Throughout September, 0.63" (16mm) of precipitation is accumulated.

When it does not snow?

In Oregon, snow does not fall in May through September.

Does it snow in September?

In Oregon, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:22 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm CDT.

How long on average sun shines in September?

In Oregon, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes 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
Oregon, WI

Average temperature in September - Oregon, WI
  • Average high temperature in September: 71.2°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in September
Oregon, WI

Average pressure in September - Oregon, WI
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Oregon, WI

Average wind speed in September - Oregon, WI
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in September
Oregon, WI

Average humidity in September - Oregon, WI
  • Average humidity in September: 81%

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in September
Oregon, WI

Average rainfall in September - Oregon, WI
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is June (0.98").
The driest month (with the least rainfall) is December (0.31").

Average rainfall days in September
Oregon, WI

Average rainfall days in September - Oregon, WI
  • Average rainfall days in September: 7.7 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is February (2.2 days).

Average snowfall in September
Oregon, WI

Average snowfall in September - Oregon, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Oregon, WI

Average snowfall days in September - Oregon, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Oregon, WI

Average daylight in September / Average sunshine in September - Oregon, WI
  • 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: 8h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September
Oregon, WI

Average sunshine days in September - Oregon, WI
  • Average sunshine days in September: 19.3 days

The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (14.3 days).

Average UV index in September
Oregon, WI

Average UV index in September - Oregon, WI
  • Average UV index in September: 3

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September
Oregon, WI

Average cloud cover in September - Oregon, WI
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July, August and September (Cloud cover 35).

Average visibility in September
Oregon, WI

Average visibility in September - Oregon, WI
  • Average visibility in September: 5mi

The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).

Oregon, Wisconsin, USA

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