September weather forecast
Canby, CA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Canby, California, with an average temperature fluctuating between 47.3°F (8.5°C) and 74.1°F (23.4°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of a warm 82.4°F (28°C) in August to a still moderately hot 74.1°F (23.4°C). Contrasted against daytime highs, Canby records an average nighttime low of 47.3°F (8.5°C) in September.

Humidity

In September, the average relative humidity is 39%.

Rainfall

In Canby, during September, the rain falls for 4.4 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Canby, during the entire year, the rain falls for 85.8 days and collects up to 11.65" (296mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows in Canby. Throughout September, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 56.2 snowfall days, and 35.94" (913mm) of snow is accumulated.

Daylight

In Canby, California, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:46 pm PDT.

Sunshine

In Canby, the average sunshine in September is 11h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Canby in September?

The average high-temperature, in September, in Canby, is 74.1°F (23.4°C), while the average low-temperature is 47.3°F (8.5°C).

What is the average humidity in September?

In Canby, California, the average relative humidity in September is 39%.

How many days does it rain in September?

In Canby, California, in September, during 4.4 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in September?

The average day length in September is 12h and 28min.

What time are sunrise and sunset in September?

On the first day of September in Canby, sunrise is at 6:30 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:46 pm PDT.

How many hours of sunshine does Canby have in September?

In September, the average sunshine duration is 11h.

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 vulnerability from 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
Canby, CA

Average temperature in September - Canby, CA
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in September: 47.3°F

The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

Average pressure in September
Canby, CA

Average pressure in September - Canby, CA
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Canby, CA

Average wind speed in September - Canby, CA
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in September
Canby, CA

Average humidity in September - Canby, CA
  • Average humidity in September: 39%

The months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).

Average rainfall in September
Canby, CA

Average rainfall in September - Canby, CA
  • Average rainfall in September: 0.35"

The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in September
Canby, CA

Average rainfall days in September - Canby, CA
  • Average rainfall days in September: 4.4 days

The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is July (2.5 days).

Average snowfall in September
Canby, CA

Average snowfall in September - Canby, CA
  • Average snowfall in September: 0.16"

The month with the highest snowfall is December (8.27").
The months with the least snowfall are July and August (0").

Average snowfall days in September
Canby, CA

Average snowfall days in September - Canby, CA
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is December (12.4 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Canby, CA

Average daylight in September / Average sunshine in September - Canby, CA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 11h and 0min

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 24min).

Average sunshine days in September
Canby, CA

Average sunshine days in September - Canby, CA
  • Average sunshine days in September: 24.9 days

The months with the most sunshine days are July and August (26.3 days).
The month with the least sunshine days is March (13.2 days).

Average UV index in September
Canby, CA

Average UV index in September - Canby, CA
  • Average UV index in September: 4

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

Average cloud cover in September
Canby, CA

Average cloud cover in September - Canby, CA
  • Average cloud cover in September: 13

The months with the most cloud cover are March and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in September
Canby, CA

Average visibility in September - Canby, CA
  • Average visibility in September: 6mi

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

Canby, California, USA

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