September weather forecast
Cedarpines Park, CA

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Weather in September

September, the first month of the autumn in Cedarpines Park, is also a hot month, with an average temperature varying between 63°F (17.2°C) and 87.8°F (31°C).

Temperature

September welcomes an average high-temperature of a still hot 87.8°F (31°C), not much different from the preceding month. A considerable shift from the daytime highs is observed in Cedarpines Park during September nights, with an average low of 63°F (17.2°C).

Heat index

For September, the heat index is calculated to be a tropical 87.8°F (31°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Cedarpines Park, California, the average relative humidity in September is 41%.

Rainfall

In Cedarpines Park, California, during September, the rain falls for 2.5 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Cedarpines Park, during the entire year, the rain falls for 43.5 days and collects up to 5.43" (138mm) of precipitation.

Snowfall

January, March through December are months without snowfall in Cedarpines Park, California.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September, sunrise is at 6:23 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:34 pm PDT.

Sunshine

In Cedarpines Park, the average sunshine in September is 10.7h.

UV index

In September, the average daily maximum UV index in Cedarpines Park, California, is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Deflect overexposure. Sun protection is a necessity. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

Is it hot in Cedarpines Park during September?

September temperatures in Cedarpines Park, California, vary between a high-temperature of 87.8°F (31°C) and a low-temperature of 63°F (17.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in September is calculated to be 87.8°F (31°C).

What is the average humidity in September in Cedarpines Park?

In September, the average relative humidity in Cedarpines Park is 41%.

How many days does it rain in September in Cedarpines Park?

In Cedarpines Park, during September, the rain falls for 2.5 days and regularly aggregates up to 0.12" (3mm) of precipitation.

When it does not snow in Cedarpines Park?

January, March through December are months without snowfall in Cedarpines Park.

How many hours of daylight does Cedarpines Park have in September?

In September, the average day length in Cedarpines Park is 12h and 22min.

When are sunrise and sunset in September in Cedarpines Park?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:14 pm. On the last day of the month, in Cedarpines Park, California, sunrise is at 6:43 am and sunset at 6:34 pm PDT.

How long on average sun shines in September in Cedarpines Park?

The average sunshine duration in September in Cedarpines Park is 10.7h.

What is the UV index reading in September in Cedarpines Park?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cedarpines Park, CA

Average temperature in September - Cedarpines Park, CA
  • Average high temperature in September: 87.8°F

The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (59.9°F).

  • Average low temperature in September: 63°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

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Average pressure in September
Cedarpines Park, CA

Average pressure in September - Cedarpines Park, CA
  • Average pressure in September: 29.87"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in September
Cedarpines Park, CA

Average wind speed in September - Cedarpines Park, CA
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in September
Cedarpines Park, CA

Average humidity in September - Cedarpines Park, CA
  • Average humidity in September: 41%

The months with the highest relative humidity are February and March (52%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in September
Cedarpines Park, CA

Average rainfall in September - Cedarpines Park, CA
  • Average rainfall in September: 0.12"

The wettest months (with the highest rainfall) are February and December (1.14").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Cedarpines Park, CA

Average rainfall days in September - Cedarpines Park, CA
  • Average rainfall days in September: 2.5 days

The month with the highest number of rainy days is December (5.5 days).
The month with the least rainy days is June (1.3 days).

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Average snowfall days in September
Cedarpines Park, CA

Average snowfall days in September - Cedarpines Park, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The 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
Cedarpines Park, CA

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in September
Cedarpines Park, CA

Average sunshine days in September - Cedarpines Park, CA
  • Average sunshine days in September: 24.7 days

The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is February (22.6 days).

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Average UV index in September
Cedarpines Park, CA

Average UV index in September - Cedarpines Park, CA
  • Average UV index in September: 6

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 3).

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Average cloud cover in September
Cedarpines Park, CA

Average cloud cover in September - Cedarpines Park, CA
  • Average cloud cover in September: 6

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in September
Cedarpines Park, CA

Average visibility in September - Cedarpines Park, 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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Cedarpines Park, California, USA

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