September weather forecast and climate
Scotts Valley, CA

Weather in September

September, the first month of the autumn, in Scotts Valley, is also a moderately hot month, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 55.4°F (13°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a still moderately hot 74.5°F (23.6°C). In September, in Scotts Valley, the average low-temperature is 55.4°F (13°C).

Humidity

In September, the average relative humidity in Scotts Valley, California, is 69%.

Rainfall

In Scotts Valley, in September, during 2.9 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Scotts Valley, during the entire year, the rain falls for 72.5 days and collects up to 13.58" (345mm) of precipitation.

Daylight

In Scotts Valley, California, the average length of the day is 12.4h.

Sunshine

In September, the average sunshine is 10.9h.

UV index

June through October, with an average maximum UV index of 5, are months with the highest UV index in Scotts Valley. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 Scotts Valley?

In September, in Scotts Valley, the average high-temperature is 74.5°F (23.6°C), and the average low-temperature is 55.4°F (13°C).

What is the average humidity in September in Scotts Valley?

In September, the average relative humidity in Scotts Valley is 69%.

How much does it rain in Scotts Valley in September?

In September, in Scotts Valley, California, the rain falls for 2.9 days. Throughout September, 0.12" (3mm) of precipitation is accumulated.

What is the average length of the day in September in Scotts Valley?

The average length of the day in September in Scotts Valley, California, is 12.4h.

How long on average sun shines in September in Scotts Valley?

The average sunshine in September in Scotts Valley is 10.9h.

What is the month with the highest UV index in Scotts Valley?

Months with the highest UV index in Scotts Valley, California, are June through October, with an average maximum UV index of 5.

How high is the UV index in September in Scotts Valley?

In September, the average daily maximum UV index in Scotts Valley, California, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in September
Scotts Valley, CA

Average temperature in September - Scotts Valley, CA
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (57°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is September (55.4°F).
The coldest month (with the lowest average low temperature) is February (45.1°F).

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Average pressure in September
Scotts Valley, CA

Average pressure in September - Scotts Valley, CA
  • Average pressure in September: 29.92"

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

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Average wind speed in September
Scotts Valley, CA

Average wind speed in September - Scotts Valley, CA
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Scotts Valley, CA

Average humidity in September - Scotts Valley, CA
  • Average humidity in September: 69%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in September
Scotts Valley, CA

Average rainfall in September - Scotts Valley, 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").

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Average rainfall days in September
Scotts Valley, CA

Average rainfall days in September - Scotts Valley, CA
  • Average rainfall days in September: 2.9 days

The month with the highest number of rainy days is March (12.8 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
Scotts Valley, CA

Average daylight in September / Average sunshine in September - Scotts Valley, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 10.9h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in September
Scotts Valley, CA

Average sunshine days in September - Scotts Valley, CA
  • Average sunshine days in September: 26 days

The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.5 days).

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Average UV index in September
Scotts Valley, CA

Average UV index in September - Scotts Valley, CA
  • Average UV index in September: 5

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

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Average cloud cover in September
Scotts Valley, CA

Average cloud cover in September - Scotts Valley, CA
  • Average cloud cover in September: 14

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 12).

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Average visibility in September
Scotts Valley, CA

Average visibility in September - Scotts Valley, 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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