September weather forecast
Canyon Lake, CA

Weather in September

September, the first month of the autumn in Canyon Lake, is also a moderately hot month, with an average temperature varying between 61.7°F (16.5°C) and 85.3°F (29.6°C).

Temperature

In Canyon Lake, the average high-temperature in September is relatively the same as in August - a warm 85.3°F (29.6°C). The average low-temperature, in September, is 61.7°F (16.5°C).

Heat index

The average heat index in September is evaluated at a hot 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, wind, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Canyon Lake, the average relative humidity in September is 51%.

Rainfall

In Canyon Lake, California, in September, it is raining for 1.8 days, with typically 0.04" (1mm) of accumulated precipitation. Throughout the year, there are 34.6 rainfall days, and 2.56" (65mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Canyon Lake, California, is 12h and 22min.
On the first day of September, sunrise is at 6:23 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:35 pm PDT.

Sunshine

The average sunshine in September is 10.6h.

UV index

In September, the average daily maximum UV index in Canyon Lake is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.
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FAQ

What is the temperature in September in Canyon Lake?

In Canyon Lake, California, in September, the average high-temperature is 85.3°F (29.6°C), and the average low-temperature is 61.7°F (16.5°C). in September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in September in Canyon Lake?

The average relative humidity in September in Canyon Lake, California, is 51%.

How many days does it rain in September in Canyon Lake?

In Canyon Lake, California, during September, the rain falls for 1.8 days and regularly aggregates up to 0.04" (1mm) of precipitation.

What is the average length of the day in September in Canyon Lake?

In Canyon Lake, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September in Canyon Lake?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:15 pm. On the last day of the month, in Canyon Lake, sunrise is at 6:42 am and sunset at 6:35 pm PDT.

How many hours of sunshine does Canyon Lake have in September?

The average sunshine duration in September in Canyon Lake is 10.6h.

How high is the UV index in September in Canyon Lake?

In Canyon Lake, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Canyon Lake, CA

Average temperature in September - Canyon Lake, CA
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is August (89.1°F).
The month with the lowest average high temperature is December (61.5°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).

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Average pressure in September
Canyon Lake, CA

Average pressure in September - Canyon Lake, CA
  • Average pressure in September: 29.87"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in September
Canyon Lake, CA

Average wind speed in September - Canyon Lake, CA
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August and September (4.1mph).

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Average humidity in September
Canyon Lake, CA

Average humidity in September - Canyon Lake, CA
  • Average humidity in September: 51%

The month with the highest relative humidity is May (62%).
The months with the lowest relative humidity are August and November (50%).

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Average rainfall in September
Canyon Lake, CA

Average rainfall in September - Canyon Lake, CA
  • Average rainfall in September: 0.04"

The wettest month (with the highest rainfall) is February (0.55").
The driest month (with the least rainfall) is June (0").

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Average rainfall days in September
Canyon Lake, CA

Average rainfall days in September - Canyon Lake, CA
  • Average rainfall days in September: 1.8 days

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.8 days).

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Average daylight in September /
Average sunshine in September
Canyon Lake, CA

Average daylight in September / Average sunshine in September - Canyon Lake, CA
  • Average daylight in September: 12h and 22min

The month with the longest days is June (Average daylight: 14h and 22min).
The month with the shortest days is December (Average daylight: 9h and 58min).

  • Average sunshine in September: 10h and 36min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in September
Canyon Lake, CA

Average sunshine days in September - Canyon Lake, CA
  • Average sunshine days in September: 26.6 days

The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22.8 days).

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Average UV index in September
Canyon Lake, CA

Average UV index in September - Canyon Lake, CA
  • Average UV index in September: 6

The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Canyon Lake, CA

Average cloud cover in September - Canyon Lake, CA
  • Average cloud cover in September: 8

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in September
Canyon Lake, CA

Average visibility in September - Canyon Lake, CA
  • Average visibility in September: 6mi

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

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