September weather forecast
Corralitos, CA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Corralitos, California, with temperature in the range of an average high of 78.3°F (25.7°C) and an average low of 54.5°F (12.5°C).

Temperature

Corralitos experiences a recorded average high-temperature of a still warm 78.3°F (25.7°C) in September, closely aligned with August's 78.6°F (25.9°C). Throughout the month of September, Corralitos observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 54.5°F (12.5°C).

Humidity

September and October, with an average relative humidity of 64%, are the least humid months.

Rainfall

In Corralitos, in September, during 2.5 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. Throughout the year, in Corralitos, there are 67.1 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

Daylight

In Corralitos, California, the average length of the day in September is 12h and 24min.
On the first day of September in Corralitos, sunrise is at 6:38 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:51 pm PDT.

Sunshine

The average sunshine in September in Corralitos is 11.2h.

UV index

In September, the average daily maximum UV index in Corralitos is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the temperature in September in Corralitos?

In September, the average high-temperature and low-temperature in Corralitos, California, are 78.3°F (25.7°C) and 54.5°F (12.5°C) respectively.

What is the least humid month in Corralitos?

September and October, with an average relative humidity of 64%, are the least humid months.

What is the average humidity in September in Corralitos?

In Corralitos, California, the average relative humidity in September is 64%.

How many days does it rain in September in Corralitos?

In Corralitos, in September, it is raining for 2.5 days, with typically 0.08" (2mm) of accumulated precipitation.

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

In September, the average day length in Corralitos, California, is 12h and 24min.

What time are sunrise and sunset in September in Corralitos?

On the first day of September in Corralitos, sunrise is at 6:38 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:51 pm PDT.

How long on average sun shines in September in Corralitos?

The average sunshine duration in September in Corralitos is 11.2h.

How high is the UV index in September in Corralitos?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Corralitos, CA

Average temperature in September - Corralitos, CA
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (57.9°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is September (54.5°F).
The coldest months (with the lowest average low temperature) are February and March (43.2°F).

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Average pressure in September
Corralitos, CA

Average pressure in September - Corralitos, CA
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

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Average wind speed in September
Corralitos, CA

Average wind speed in September - Corralitos, CA
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest months (with the lowest average wind speed) are October and November (4.5mph).

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Average humidity in September
Corralitos, CA

Average humidity in September - Corralitos, CA
  • Average humidity in September: 64%

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (64%).

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Average rainfall in September
Corralitos, CA

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

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in September
Corralitos, CA

Average rainfall days in September - Corralitos, CA
  • Average rainfall days in September: 2.5 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (0.8 days).

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

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

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 42min).

  • Average sunshine in September: 11h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in September
Corralitos, CA

Average sunshine days in September - Corralitos, CA
  • Average sunshine days in September: 26.5 days

The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.8 days).

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Average UV index in September
Corralitos, CA

Average UV index in September - Corralitos, 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 February, November and December (UV index 3).

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Average cloud cover in September
Corralitos, CA

Average cloud cover in September - Corralitos, CA
  • Average cloud cover in September: 10

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in September
Corralitos, CA

Average visibility in September - Corralitos, 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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Corralitos, California, USA

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