September weather forecast
Coso, CA

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Weather in September

September, the first month of the autumn in Coso, is also a moderately hot month, with an average temperature varying between 84.4°F and 64.4°F.

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a tropical 91°F in August to a warm 84.4°F. In the month of September, an average of 64.4°F marks the low-temperature.

Humidity

In September, the average relative humidity in Coso is 23%.

Rainfall

In Coso, in September, it is raining for 1.6 days, with typically 0.08" of accumulated precipitation. In Coso, during the entire year, the rain falls for 41.5 days and collects up to 4.69" of precipitation.

Snowfall

In Coso, snow does not fall in March through October and December.

Daylight

In Coso, California, the average length of the day in September is 12h and 23min.
On the first day of September in Coso, sunrise is at 6:23 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:37 pm PDT.

Sunshine

In Coso, California, the average sunshine in September is 10.9h.

UV index

In September, the average daily maximum UV index in Coso, California, is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 5 during September translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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FAQ

Is it hot in Coso during September?

The average high-temperature and low-temperature in Coso, California, during September are 84.4°F and 64.4°F respectively.

What is the average humidity in September in Coso?

In September, the average relative humidity in Coso is 23%.

How many days does it rain in September in Coso?

In September, in Coso, the rain falls for 1.6 days. Throughout September, 0.08" of precipitation is accumulated.

When it does not snow in Coso?

March through October and December are months without snowfall in Coso.

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

In September, the average day length in Coso is 12h and 23min.

What time are sunrise and sunset in September in Coso?

On the first day of September, sunrise is at 6:23 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:37 pm PDT.

How many hours of sunshine does Coso have in September?

The average sunshine duration in September is 10.9h.

What is the UV index reading in September in Coso?

The average daily maximum UV index in September in Coso is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Coso, CA

Average temperature in September - Coso, CA
  • Average high temperature in September: 84.4°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 (51.1°F).

  • Average low temperature in September: 64.4°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (35.6°F).

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Average pressure in September
Coso, CA

Average pressure in September - Coso, CA
  • Average pressure in September: 29.88"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in September
Coso, CA

Average wind speed in September - Coso, CA
  • Average wind speed in September: 7.2mph

The windiest months (with the highest average wind speed) are May and June (9.1mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

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Average humidity in September
Coso, CA

Average humidity in September - Coso, CA
  • Average humidity in September: 23%

The month with the highest relative humidity is January (48%).
The month with the lowest relative humidity is August (20%).

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Average rainfall in September
Coso, CA

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

The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Coso, CA

Average rainfall days in September - Coso, CA
  • Average rainfall days in September: 1.6 days

The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.8 days).

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Average snowfall in September
Coso, CA

Average snowfall in September - Coso, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is November (0.87").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").

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Average snowfall days in September
Coso, CA

Average snowfall days in September - Coso, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.5 days).
The 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
Coso, CA

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 10h and 5min

The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).

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Average sunshine days in September
Coso, CA

Average sunshine days in September - Coso, CA
  • Average sunshine days in September: 27.3 days

The month with the most sunshine days is June (28.4 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in September
Coso, CA

Average UV index in September - Coso, CA
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Coso, CA

Average cloud cover in September - Coso, CA
  • Average cloud cover in September: 4

The months with the most cloud cover are January and March (Cloud cover 18).
The months with the least cloud cover are August and September (Cloud cover 4).

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Average visibility in September
Coso, CA

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

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