September weather forecast
Green, OR

Share

Weather in September

The first month of the autumn, September, is still a warm month in Green, Oregon, with an average temperature varying between 74.3°F (23.5°C) and 45°F (7.2°C).

Temperature

September signals a slight drop in average high-temperature, sliding from August's 80.8°F (27.1°C) to a still warm 74.3°F (23.5°C). Against the backdrop of high daytime temperatures, an average low-temperature of 45°F (7.2°C) is noted during September nights in Green, Oregon.

Humidity

The average relative humidity in September is 74%.

Rainfall

In Green, in September, during 4.3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Green, during the entire year, the rain falls for 105 days and collects up to 9.57" (243mm) of precipitation.

Snowfall

In Green, snow does not fall in April through October.

Daylight

In September, the average length of the day in Green is 12h and 29min.
On the first day of September in Green, sunrise is at 6:38 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:55 pm PDT.

Sunshine

In September, the average sunshine is 9.7h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 3 in September leads to these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
[Resources]

Frequently asked questions

What is the temperature in September in Green?

September temperatures in Green, Oregon, vary between a high-temperature of 74.3°F (23.5°C) and a low-temperature of 45°F (7.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 84.2°F (29°C).

What is the average humidity in September in Green?

In Green, the average relative humidity in September is 74%.

How many days does it rain in September in Green?

In September, in Green, the rain falls for 4.3 days. Throughout September, 0.43" (11mm) of precipitation is accumulated.

When it does not snow in Green?

April through October are months without snowfall in Green.

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

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

What time are sunrise and sunset in September in Green?

In September, on the first day of the month, sunrise is at 6:38 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:55 pm PDT.

How long on average sun shines in September in Green?

The average sunshine duration in September is 9.7h.

What is the UV index reading in September in Green?

In September, the average daily maximum UV index in Green, Oregon, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Green, OR

Average temperature in September - Green, OR
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (45.9°F).

  • Average low temperature in September: 45°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).

[Resources]

Average pressure in September
Green, OR

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

[Resources]

Average wind speed in September
Green, OR

Average wind speed in September - Green, OR
  • Average wind speed in September: 3.2mph

The windiest months (with the highest average wind speed) are January and March (3.9mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).

[Resources]

Average humidity in September
Green, OR

Average humidity in September - Green, OR
  • Average humidity in September: 74%

The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).

[Resources]

Average rainfall in September
Green, OR

Average rainfall in September - Green, OR
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is December (1.46").
The driest month (with the least rainfall) is July (0.16").

[Resources]

Average rainfall days in September
Green, OR

Average rainfall days in September - Green, OR
  • Average rainfall days in September: 4.3 days

The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is August (3.1 days).

[Resources]

Average snowfall in September
Green, OR

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

The month with the highest snowfall is November (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Green, OR

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

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Green, 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 12min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

[Resources]

Average sunshine days in September
Green, OR

Average sunshine days in September - Green, OR
  • Average sunshine days in September: 24.2 days

The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is February (14.6 days).

[Resources]

Average UV index in September
Green, OR

Average UV index in September - Green, OR
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in September
Green, OR

Average cloud cover in September - Green, OR
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).

[Resources]

Average visibility in September
Green, OR

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

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

[Resources]

Green, Oregon, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location