September weather forecast
Camp Sherman, OR

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Weather in September

The first month of the autumn, September, is also an agreeable month in Camp Sherman, Oregon, with temperature in the range of an average high of 69.8°F (21°C) and an average low of 45.1°F (7.3°C).

Temperature

The onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 78.4°F (25.8°C) in August to an agreeable 69.8°F (21°C). September nights bring a significant cooling from the heat of the day, with averages of 45.1°F (7.3°C).

Humidity

In September, the average relative humidity is 61%.

Rainfall

In Camp Sherman, in September, during 8.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 142.1 rainfall days, and 22.87" (581mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.87" (22mm) of snow. In Camp Sherman, during the entire year, snow falls for 70.7 days and aggregates up to 60.04" (1525mm) of snow.

Daylight

The average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:48 pm PDT.

Sunshine

In Camp Sherman, the average sunshine in September is 10.6h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Take precautions - Protection against sunburn is recommended. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

What is the usual temperature for Camp Sherman in September?

September temperatures vary between a high-temperature of 69.8°F (21°C) and a low-temperature of 45.1°F (7.3°C).

What is the average humidity in September?

In September, the average relative humidity is 61%.

How much does it rain in Camp Sherman in September?

In Camp Sherman, in September, it is raining for 8.1 days, with typically 1.02" (26mm) of accumulated precipitation.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.87" (22mm) of snow.

What is the average length of the day in September in Camp Sherman?

In September, the average day length is 12h and 30min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:30 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:48 pm PDT.

How long on average sun shines in September?

The average sunshine duration in September is 10.6h.

How high is the UV index in September?

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Camp Sherman, OR

Average temperature in September - Camp Sherman, OR
  • Average high temperature in September: 69.8°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in September: 45.1°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).

Average pressure in September
Camp Sherman, OR

Average pressure in September - Camp Sherman, OR
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).

Average wind speed in September
Camp Sherman, OR

Average wind speed in September - Camp Sherman, OR
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).

Average humidity in September
Camp Sherman, OR

Average humidity in September - Camp Sherman, OR
  • Average humidity in September: 61%

The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are July and August (53%).

Average rainfall in September
Camp Sherman, OR

Average rainfall in September - Camp Sherman, OR
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is January (3.31").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in September
Camp Sherman, OR

Average rainfall days in September - Camp Sherman, OR
  • Average rainfall days in September: 8.1 days

The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is July (5 days).

Average snowfall in September
Camp Sherman, OR

Average snowfall in September - Camp Sherman, OR
  • Average snowfall in September: 0.87"

The month with the highest snowfall is February (13.74").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Camp Sherman, OR

Average snowfall days in September - Camp Sherman, OR
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Camp Sherman, OR

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Camp Sherman, OR

Average sunshine days in September - Camp Sherman, OR
  • Average sunshine days in September: 18.9 days

The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is March (8.1 days).

Average UV index in September
Camp Sherman, OR

Average UV index in September - Camp Sherman, OR
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in September
Camp Sherman, OR

Average cloud cover in September - Camp Sherman, OR
  • Average cloud cover in September: 21

The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 11).

Average visibility in September
Camp Sherman, OR

Average visibility in September - Camp Sherman, OR
  • Average visibility in September: 6mi

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

Camp Sherman, Oregon, USA

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