September weather forecast and climate
Oak View, CA

Weather in September

September, the first month of the autumn, in Oak View, is also a moderately hot month, with average temperature varying between 60.8°F (16°C) and 77.9°F (25.5°C).

Temperature

In Oak View, California, the average high-temperature in September is essentially the same as in August - a still warm 77.9°F (25.5°C). In Oak View, California, in September, the average low-temperature is 60.8°F (16°C).

Humidity

In Oak View, the average relative humidity is 53%.

Rainfall

In Oak View, California, during September, the rain falls for 2.3 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 49.6 rainfall days, and 7.68" (195mm) of precipitation is accumulated.

Daylight

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

Sunshine

In September, the average sunshine is 11h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Oak View?

In September, the average relative humidity in Oak View, California, is 53%.

How much does it rain in Oak View in September?

In September, in Oak View, the rain falls for 2.3 days. Throughout September, 0.12" (3mm) of precipitation is accumulated.

What is the average length of the day in September in Oak View?

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

How long on average sun shines in September in Oak View?

In September, the average sunshine in Oak View is 11h.

What is the UV index intensity in September in Oak View?

In September, the average daily maximum UV index in Oak View, California, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Oak View, CA

Average temperature in September - Oak View, CA
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is August (79°F).
The month with the lowest average high temperature is December (58.8°F).

  • Average low temperature in September: 60.8°F

The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

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Average pressure in September
Oak View, CA

Average pressure in September - Oak View, CA
  • Average pressure in September: 29.9"

The month with the highest atmospheric pressure is January (30.11").
Months with the lowest atmospheric pressure are June and September (29.9").

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Average wind speed in September
Oak View, CA

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

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Oak View, CA

Average humidity in September - Oak View, CA
  • Average humidity in September: 53%

The month with the highest relative humidity is March (63%).
Months with the lowest relative humidity are October and November (52%).

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Average rainfall in September
Oak View, CA

Average rainfall in September - Oak View, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is August (0.08").

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Average rainfall days in September
Oak View, CA

Average rainfall days in September - Oak View, CA
  • Average rainfall days in September: 2.3 days

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is August (1.3 days).

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Average daylight in September /
Average sunshine in September
Oak View, CA

Average daylight in September / Average sunshine in September - Oak View, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 11h

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is February (Average sunshine: 6.6h).

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Average sunshine days in September
Oak View, CA

Average sunshine days in September - Oak View, CA
  • Average sunshine days in September: 24.2 days

The month with the most sunshine days is October (25.7 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in September
Oak View, CA

Average UV index in September - Oak View, 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 November and December (UV index 3).

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Average cloud cover in September
Oak View, CA

Average cloud cover in September - Oak View, CA
  • Average cloud cover in September: 6

The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in September
Oak View, CA

Average visibility in September - Oak View, 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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