September weather forecast
Carlton, OR

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Weather in September

The first month of the autumn, September, is still a pleasant month in Carlton, Oregon, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 50.2°F (10.1°C).

Temperature

Carlton, Oregon, records a mild change in average high-temperature during September, easing from a warm 79.9°F (26.6°C) in August to an agreeable 72.5°F (22.5°C). Carlton logs a substantial downturn to a cool 50.2°F (10.1°C) during September nights, a considerable shift from daytime highs.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Carlton, during September, the rain falls for 11.6 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Carlton, during the entire year, the rain falls for 186.2 days and collects up to 27.05" (687mm) of precipitation.

Snowfall

April through October are months without snowfall in Carlton.

Daylight

In Carlton, the average length of the day in September is 12h and 31min.
On the first day of September, sunrise is at 6:35 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:54 pm PDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Carlton in September?

In September, the average high-temperature and low-temperature are 72.5°F (22.5°C) and 50.2°F (10.1°C) respectively.

What is the average humidity in September?

In Carlton, the average relative humidity in September is 73%.

How much does it rain in September?

In September, the rain falls for 11.6 days. Throughout September, 1.38" (35mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

In Carlton, the average day length in September is 12h and 31min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:54 pm PDT.

How long on average sun shines in September?

In Carlton, the average sunshine duration in September is 8.9h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. 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
Carlton, OR

Average temperature in September - Carlton, OR
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in September: 50.2°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 (33.6°F).

Average pressure in September
Carlton, OR

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in September
Carlton, OR

Average wind speed in September - Carlton, OR
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).

Average humidity in September
Carlton, OR

Average humidity in September - Carlton, OR
  • Average humidity in September: 73%

The months with the highest relative humidity are January, February, November and December (87%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Carlton, OR

Average rainfall in September - Carlton, OR
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is December (3.9").
The driest month (with the least rainfall) is August (0.39").

Average rainfall days in September
Carlton, OR

Average rainfall days in September - Carlton, OR
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is March (21.9 days).
The months with the least rainy days are July and August (6.3 days).

Average snowfall in September
Carlton, OR

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

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Carlton, OR

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

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in September
Carlton, OR

Average sunshine days in September - Carlton, OR
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (7.4 days).

Average UV index in September
Carlton, OR

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

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).

Average cloud cover in September
Carlton, OR

Average cloud cover in September - Carlton, OR
  • Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in September
Carlton, OR

Average visibility in September - Carlton, OR
  • Average visibility in September: 6mi

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, November and December (4mi).

Carlton, Oregon, USA

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