September weather forecast and climate
Avila Beach, CA

Weather in September

The first month of the autumn, September, is still a warm month in Avila Beach, California, with average temperature ranging between max 79.9°F (26.6°C) and min 60.3°F (15.7°C).

Temperature

In Avila Beach, the average high-temperature in September is relatively the same as in August - a still moderately hot 79.9°F (26.6°C). In Avila Beach, in September, the average low-temperature is 60.3°F (15.7°C).

Humidity

Months with the lowest humidity are September and October, with an average relative humidity of 57%.

Rainfall

In Avila Beach, in September, during 1.8 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Avila Beach, during the entire year, the rain falls for 57 days and collects up to 9.57" (243mm) of precipitation.

Ocean temperature

In Avila Beach, in September, the average water temperature is 58.3°F (14.6°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

The average length of the day in Avila Beach is 12.4h.

Sunshine

In Avila Beach, the average sunshine is 11.3h.

UV index

In September, the average daily maximum UV index in Avila Beach is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Avila Beach?

The average high-temperature, in September, in Avila Beach, California, is 79.9°F (26.6°C), while the average low-temperature is 60.3°F (15.7°C).

What is the least humid month in Avila Beach?

September and October, with an average relative humidity of 57%, are the least humid months in Avila Beach, California.

What is the average humidity in September in Avila Beach?

The average relative humidity in September in Avila Beach, California, is 57%.

How much does it rain in Avila Beach in September?

In Avila Beach, during September, the rain falls for 1.8 days and regularly aggregates up to 0.12" (3mm) of precipitation.

What is the ocean temperature in September in Avila Beach?

In Avila Beach, the average seawater temperature in September is 58.3°F (14.6°C). Swimming in 58.3°F (14.6°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in September in Avila Beach?

In September, the average length of the day in Avila Beach is 12.4h.

How long on average sun shines in September in Avila Beach?

In September, the average sunshine is 11.3h.

What is the UV index intensity in September in Avila Beach?

In Avila Beach, California, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Avila Beach, CA

Average temperature in September - Avila Beach, CA
  • Average high temperature in September: 79.9°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).

  • Average low temperature in September: 60.3°F

The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).

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Average pressure in September
Avila Beach, CA

Average pressure in September - Avila Beach, CA
  • Average pressure in September: 29.91"

The month with the highest atmospheric pressure is January (30.12").
Months with the lowest atmospheric pressure are June, August and September (29.91").

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Average wind speed in September
Avila Beach, CA

Average wind speed in September - Avila Beach, CA
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

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Average humidity in September
Avila Beach, CA

Average humidity in September - Avila Beach, CA
  • Average humidity in September: 57%

The month with the highest relative humidity is March (69%).
Months with the lowest relative humidity are September and October (57%).

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Average rainfall in September
Avila Beach, CA

Average rainfall in September - Avila Beach, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in September
Avila Beach, CA

Average rainfall days in September - Avila Beach, CA
  • Average rainfall days in September: 1.8 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).

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Average sea temperature in September
Avila Beach, CA

Average sea temperature in September - Avila Beach, CA
  • Average sea temperature in September: 58.3°F

The best months for swimming (with the highest average sea temperature) are August and October (58.6°F).
The coldest month (with the lowest average sea temperature) is April (54.3°F).

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Average daylight in September /
Average sunshine in September
Avila Beach, CA

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

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 11.3h

Months with the most sunshine are June, July and August (Average sunshine: 12h).
Months with the least sunshine are February and December (Average sunshine: 6.5).

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Average sunshine days in September
Avila Beach, CA

Average sunshine days in September - Avila Beach, CA
  • Average sunshine days in September: 27.9 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).

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Average UV index in September
Avila Beach, CA

Average UV index in September - Avila Beach, CA
  • Average UV index in September: 5

Months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).

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Average cloud cover in September
Avila Beach, CA

Average cloud cover in September - Avila Beach, CA
  • Average cloud cover in September: 6

The month with the most cloud cover is March (Cloud cover 28).
Months with the least cloud cover are August and September (Cloud cover 6).

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Average visibility in September
Avila Beach, CA

Average visibility in September - Avila Beach, CA
  • Average visibility in September: 6mi

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

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