September weather forecast and climate
Oak Run, CA

Weather in September

The first month of the autumn, September, is still a warm month in Oak Run, California, with average temperature ranging between min 55.6°F (13.1°C) and max 84.2°F (29°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 91.2°F (32.9°C) in August, to a moderately hot 84.2°F (29°C). In Oak Run, the average low-temperature is 55.6°F (13.1°C).

Humidity

The average relative humidity in Oak Run, California, is 39%.

Rainfall

In Oak Run, it is raining for 3.5 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, there are 99.5 rainfall days, and 30.43" (773mm) of precipitation is accumulated.

Snowfall

In Oak Run snow does not fall in April through October.

Daylight

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

Sunshine

In September, the average sunshine is 11.1h.

UV index

In September, the average daily maximum UV index in Oak Run is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
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. 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 Oak Run?

In September, in Oak Run, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 55.6°F (13.1°C).

What is the average humidity in September in Oak Run?

In Oak Run, the average relative humidity in September is 39%.

How many days does it rain in September in Oak Run?

In Oak Run, in September, during 3.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When it does not snow in Oak Run?

April through October are months without snowfall in Oak Run.

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

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

How many hours of sunshine does Oak Run have in September?

The average sunshine in September is 11.1h.

What is the UV index reading in September in Oak Run?

In September, the average daily maximum UV index in Oak Run is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Oak Run, CA

Average temperature in September - Oak Run, CA
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in September: 55.6°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).

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Average pressure in September
Oak Run, CA

Average pressure in September - Oak Run, CA
  • Average pressure in September: 29.94"

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June and August (29.92").

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Average wind speed in September
Oak Run, CA

Average wind speed in September - Oak Run, CA
  • Average wind speed in September: 4.8mph

The windiest months (with the highest average wind speed) are March, April, June and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.4mph).

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Average humidity in September
Oak Run, CA

Average humidity in September - Oak Run, CA
  • Average humidity in September: 39%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is August (35%).

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Average rainfall in September
Oak Run, CA

Average rainfall in September - Oak Run, CA
  • Average rainfall in September: 0.35"

The wettest month (with the highest rainfall) is March (5.91").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in September
Oak Run, CA

Average rainfall days in September - Oak Run, CA
  • Average rainfall days in September: 3.5 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.6 days).

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Average snowfall in September
Oak Run, CA

Average snowfall in September - Oak Run, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.63").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Oak Run, CA

Average snowfall days in September - Oak Run, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.1 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 11.1h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days in September
Oak Run, CA

Average sunshine days in September - Oak Run, CA
  • Average sunshine days in September: 25.1 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (12.7 days).

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Average UV index in September
Oak Run, CA

Average UV index in September - Oak Run, CA
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in September
Oak Run, CA

Average cloud cover in September - Oak Run, CA
  • Average cloud cover in September: 9

The month with the most cloud cover is March (Cloud cover 43).
Months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in September
Oak Run, CA

Average visibility in September - Oak Run, 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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