September weather forecastCanyon, CA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Canyon, California, with an average temperature fluctuating between 56.8°F (13.8°C) and 79.5°F (26.4°C).Temperature
As August transitions into September, Canyon records an average high-temperature of a still moderately hot 79.5°F (26.4°C), showing a gentle shift from the preceding month. With the onset of night in September, Canyon reveals a significant decrease in temperature, averaging at a mild 56.8°F (13.8°C).Humidity
The average relative humidity in September in Canyon is 61%.Rainfall
In Canyon, during September, the rain falls for 2.8 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 74.4 rainfall days, and 12.6" (320mm) of precipitation is accumulated.Daylight
In Canyon, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:52 pm PDT.
Sunshine
In Canyon, the average sunshine in September is 11.1h.UV index
In Canyon, California, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 5 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Canyon, CA
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in September: 56.8°F
The months with the highest average low temperature are August and September (56.8°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure in September
Canyon, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in September
Canyon, CA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in September
Canyon, CA
- Average humidity in September: 61%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is October (60%).
Average rainfall in September
Canyon, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is February (2.6").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Canyon, CA
- Average rainfall days in September: 2.8 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is August (0.8 days).
Average daylight in September /
Average sunshine in September
Canyon, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 6min
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 48min).
Average sunshine days in September
Canyon, CA
- Average sunshine days in September: 25.9 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in September
Canyon, CA
- Average UV index in September: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Canyon, CA
- Average cloud cover in September: 11
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Canyon, 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).





