September weather forecast and climate
Shelter Cove, CA

Weather in September

September, the first month of the autumn, in Shelter Cove, is also an agreeable month, with temperature in the range of an average high of 69.8°F (21°C) and an average low of 54.3°F (12.4°C).

Temperature

The warmest month is September, with an average high-temperature of 69.8°F (21°C) and an average low-temperature of 54.3°F (12.4°C).

Humidity

September is the least humid month in Shelter Cove, with an average relative humidity of 72%.

Rainfall

In Shelter Cove, in September, during 3.5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, there are 102.7 rainfall days, and 28.78" (731mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

In Shelter Cove, California, the average length of the day is 12.4h.

Sunshine

In Shelter Cove, California, the average sunshine is 10.4h.

UV index

In Shelter Cove, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Shelter Cove?

The warmest month in Shelter Cove, California, is September, with an average high-temperature of 69.8°F (21°C) and an average low-temperature of 54.3°F (12.4°C).

What is the temperature in September in Shelter Cove?

In September, in Shelter Cove, California, the average high-temperature is 69.8°F (21°C), and the average low-temperature is 54.3°F (12.4°C).

What is the least humid month in Shelter Cove?

September is the least humid month in Shelter Cove, California, with an average relative humidity of 72%.

What is the average humidity in September in Shelter Cove?

In September, the average relative humidity in Shelter Cove, California, is 72%.

How much does it rain in Shelter Cove in September?

In Shelter Cove, California, in September, during 3.5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

When it does not snow in Shelter Cove?

January, March through December are months without snowfall in Shelter Cove.

What is the average length of the day in September in Shelter Cove?

In Shelter Cove, California, the average length of the day in September is 12.4h.

How long on average sun shines in September in Shelter Cove?

The average sunshine in September in Shelter Cove is 10.4h.

How high is the UV index in September in Shelter Cove?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Shelter Cove, CA

Average temperature in September - Shelter Cove, CA
  • Average high temperature in September: 69.8°F

The warmest month (with the highest average high temperature) is September (69.8°F).
The month with the lowest average high temperature is December (53.4°F).

  • Average low temperature in September: 54.3°F

Months with the highest average low temperature are July, August and September (54.3°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).

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Average pressure in September
Shelter Cove, CA

Average pressure in September - Shelter Cove, CA
  • Average pressure in September: 29.95"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are August and September (29.95").

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Average wind speed in September
Shelter Cove, CA

Average wind speed in September - Shelter Cove, CA
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and August (7.8mph).

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Average humidity in September
Shelter Cove, CA

Average humidity in September - Shelter Cove, CA
  • Average humidity in September: 72%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (72%).

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Average rainfall in September
Shelter Cove, CA

Average rainfall in September - Shelter Cove, CA
  • Average rainfall in September: 0.47"

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in September
Shelter Cove, CA

Average rainfall days in September - Shelter Cove, CA
  • Average rainfall days in September: 3.5 days

The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is August (1.8 days).

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Average snowfall days in September
Shelter Cove, CA

Average snowfall days in September - Shelter Cove, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
Shelter Cove, CA

Average daylight in September / Average sunshine in September - Shelter Cove, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 10.4h

Months with the most sunshine are July and August (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 5h).

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Average sunshine days in September
Shelter Cove, CA

Average sunshine days in September - Shelter Cove, CA
  • Average sunshine days in September: 25.9 days

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.1 days).

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Average UV index in September
Shelter Cove, CA

Average UV index in September - Shelter Cove, CA
  • Average UV index in September: 4

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in September
Shelter Cove, CA

Average cloud cover in September - Shelter Cove, CA
  • Average cloud cover in September: 14

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in September
Shelter Cove, CA

Average visibility in September - Shelter Cove, 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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