September weather forecast and climate
Canby, CA

Weather in September

September, the first month of the autumn, in Canby, is still a warm month, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 74.1°F (23.4°C).

Temperature

In September, the average high-temperature slightly decreases, from 82.4°F (28°C) in August, to a still warm 74.1°F (23.4°C). In Canby, California, the average low-temperature is 47.3°F (8.5°C).

Humidity

In September, the average relative humidity is 39%.

Rainfall

In Canby, it is raining for 4.4 days, with typically 0.35" (9mm) of accumulated precipitation. In Canby, during the entire year, the rain falls for 85.8 days and collects up to 11.65" (296mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. 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 September, the average length of the day in Canby is 12.4h.

Sunshine

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

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the temperature in September in Canby?

In September, the average high-temperature is 74.1°F (23.4°C), and the average low-temperature is 47.3°F (8.5°C).

What is the average humidity in September in Canby?

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

How many days does it rain in September in Canby?

In Canby, in September, it is raining for 4.4 days, with typically 0.35" (9mm) of accumulated precipitation.

When does it start to snow in Canby?

September is the first month it typically snows in Canby, California. 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 in Canby?

In September, the average length of the day in Canby, California, is 12.4h.

How many hours of sunshine does Canby have in September?

The average sunshine in September in Canby is 11h.

What is the UV index intensity in September in Canby?

The average daily maximum UV index in September in Canby, California, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

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).

[Resources]

Average pressure in September
Canby, CA

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

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

[Resources]

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).

[Resources]

Average humidity in September
Canby, CA

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

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

[Resources]

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").

[Resources]

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).

[Resources]

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").
Months with the least snowfall are July and August (0").

[Resources]

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).
Months with the least snowfall days are July and August (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Canby, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 11h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.4h).

[Resources]

Average sunshine days in September
Canby, CA

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

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).

[Resources]

Average UV index in September
Canby, CA

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

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

[Resources]

Average cloud cover in September
Canby, CA

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

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

[Resources]

Average visibility in September
Canby, CA

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

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

[Resources]