September weather forecast
Blue Canyon, CA

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Weather in September

September, the first month of the autumn in Blue Canyon, is still a warm month, with an average temperature ranging between min 48°F (8.9°C) and max 76.6°F (24.8°C).

Temperature

As September commences, the average high-temperature subtly reduces, transitioning from a warm 82.4°F (28°C) in August to a still moderately hot 76.6°F (24.8°C). The temperature notes a substantial fall from the daily peak to an average of 48°F (8.9°C) during September nights.

Humidity

In Blue Canyon, the average relative humidity in September is 44%.

Rainfall

In September, in Blue Canyon, the rain falls for 3.8 days. Throughout September, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 72.9 rainfall days, and 36.06" (916mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.35" (9mm) of snow. In Blue Canyon, during the entire year, snow falls for 53.3 days and aggregates up to 151.57" (3850mm) of snow.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm PDT.

Sunshine

In September, the average sunshine is 11.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Blue Canyon in September?

The average high-temperature and low-temperature during September are 76.6°F (24.8°C) and 48°F (8.9°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 82.4°F (28°C).

What is the average humidity in September?

The average relative humidity in September is 44%.

How much does it rain in Blue Canyon in September?

In Blue Canyon, during September, the rain falls for 3.8 days and regularly aggregates up to 0.47" (12mm) of precipitation.

When does it start to snow?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.35" (9mm) of snow.

How many hours of daylight does Blue Canyon have in September?

The average day length in September is 12h and 26min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm PDT.

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

The average sunshine duration in September is 11.2h.

How high is the UV index in September?

In Blue Canyon, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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
Blue Canyon, CA

Average temperature in September - Blue Canyon, CA
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in September: 48°F

The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).

Average pressure in September
Blue Canyon, CA

Average pressure in September - Blue Canyon, CA
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Blue Canyon, CA

Average wind speed in September - Blue Canyon, CA
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in September
Blue Canyon, CA

Average humidity in September - Blue Canyon, CA
  • Average humidity in September: 44%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).

Average rainfall in September
Blue Canyon, CA

Average rainfall in September - Blue Canyon, CA
  • Average rainfall in September: 0.47"

The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in September
Blue Canyon, CA

Average rainfall days in September - Blue Canyon, CA
  • Average rainfall days in September: 3.8 days

The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).

Average snowfall in September
Blue Canyon, CA

Average snowfall in September - Blue Canyon, CA
  • Average snowfall in September: 0.35"

The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").

Average snowfall days in September
Blue Canyon, CA

Average snowfall days in September - Blue Canyon, CA
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in September / Average sunshine in September - Blue Canyon, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in September
Blue Canyon, CA

Average sunshine days in September - Blue Canyon, CA
  • Average sunshine days in September: 25.7 days

The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).

Average UV index in September
Blue Canyon, CA

Average UV index in September - Blue Canyon, 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
Blue Canyon, CA

Average cloud cover in September - Blue Canyon, CA
  • Average cloud cover in September: 9

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).

Average visibility in September
Blue Canyon, CA

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

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

Blue Canyon, California, USA

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