September weather forecast and climate
Sisquoc, CA

Weather in September

The first month of the autumn, September, is still a warm month in Sisquoc, California, with average temperature varying between 59.9°F (15.5°C) and 79.2°F (26.2°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still warm 79.2°F (26.2°C). In Sisquoc, the average low-temperature is 59.9°F (15.5°C).

Humidity

In Sisquoc, California, the average relative humidity is 59%.

Rainfall

In September, in Sisquoc, California, the rain falls for 2 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. Throughout the year, in Sisquoc, there are 43.9 rainfall days, and 6.93" (176mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in Sisquoc is 11.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. 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 Sisquoc?

In Sisquoc, California, in September, the average high-temperature is 79.2°F (26.2°C), and the average low-temperature is 59.9°F (15.5°C).

What is the average humidity in September in Sisquoc?

The average relative humidity in September is 59%.

How much does it rain in Sisquoc in September?

In Sisquoc, in September, it is raining for 2 days, with typically 0.08" (2mm) of accumulated precipitation.

What is the average length of the day in September in Sisquoc?

The average length of the day in September is 12.4h.

How many hours of sunshine does Sisquoc have in September?

In Sisquoc, the average sunshine in September is 11.3h.

How high is the UV index in September in Sisquoc?

In Sisquoc, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in September
Sisquoc, CA

Average temperature in September - Sisquoc, CA
  • Average high temperature in September: 79.2°F

The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46.6°F).

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Average pressure in September
Sisquoc, CA

Average pressure in September - Sisquoc, CA
  • Average pressure in September: 29.91"

The month with the highest atmospheric pressure is January (30.11").
Months with the lowest atmospheric pressure are June, August and September (29.91").

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Average wind speed in September
Sisquoc, CA

Average wind speed in September - Sisquoc, CA
  • Average wind speed in September: 6.2mph

The windiest months (with the highest average wind speed) are April and May (7.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in September
Sisquoc, CA

Average humidity in September - Sisquoc, CA
  • Average humidity in September: 59%

The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).

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Average rainfall in September
Sisquoc, CA

Average rainfall in September - Sisquoc, CA
  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is March (1.5").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in September
Sisquoc, CA

Average rainfall days in September - Sisquoc, CA
  • Average rainfall days in September: 2 days

The month with the highest number of rainy days is March (7.9 days).
Months with the least rainy days are June and August (0.8 days).

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

Average daylight in September / Average sunshine in September - Sisquoc, 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: 9.9h).

  • Average sunshine in September: 11.3h

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

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Average sunshine days in September
Sisquoc, CA

Average sunshine days in September - Sisquoc, CA
  • Average sunshine days in September: 28 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (21.3 days).

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Average UV index in September
Sisquoc, CA

Average UV index in September - Sisquoc, CA
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in September
Sisquoc, CA

Average cloud cover in September - Sisquoc, CA
  • Average cloud cover in September: 7

The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in September
Sisquoc, CA

Average visibility in September - Sisquoc, 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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