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

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from 82.4°F (28°C) in August to a still moderately hot 74.1°F (23.4°C). In stark contrast to the day's heat, the temperature in Canby, California, dips to an average of 47.3°F (8.5°C) during September nights.

Humidity

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

Rainfall

In Canby, in September, during 4.4 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. 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. Throughout September, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. In Canby, during the entire year, snow falls for 56.2 days and aggregates up to 35.94" (913mm) of snow.

Daylight

In September, the average length of the day in Canby is 12h and 28min.
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.

Sunshine

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

UV index

In September, the average daily maximum UV index in Canby is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What is the average September temperature in Canby?

The average high-temperature and low-temperature in Canby during September are 74.1°F (23.4°C) and 47.3°F (8.5°C) respectively.

What is the average humidity in September in Canby?

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

How many days does it rain in September in Canby?

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

When does it start snowing in Canby?

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.

How many hours of daylight does Canby have in September?

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

When is the sunrise / sunset in September in Canby?

On the first day of September in Canby, California, 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 long on average sun shines in September in Canby?

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

What is the UV index reading in September in Canby?

In Canby, California, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
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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