September weather forecast
Citrus Heights, CA

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Weather in September

September, the first month of the autumn in Citrus Heights, is also a hot month, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 59°F (15°C).

Temperature

As August turns into September, the average high-temperatures rest at a still hot 88°F (31.1°C), showing a minor variation from the prior month. Citrus Heights endures a clear shift from daytime heat to a mean low-temperature of 59°F (15°C) during September nights.

Heat index

The heat index value for September is computed to be a hot 87.8°F (31°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In September, the average relative humidity is 42%.

Rainfall

In Citrus Heights, during September, the rain falls for 2.2 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, there are 77.9 rainfall days, and 18.78" (477mm) of precipitation is accumulated.

Daylight

In Citrus Heights, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:34 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:48 pm PDT.

Sunshine

In September, the average sunshine is 11.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

Is it hot in Citrus Heights during September?

Citrus Heights in September has an average high-temperature of 88°F (31.1°C) and an average low-temperature of 59°F (15°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 87.8°F (31°C).

What is the average humidity in September in Citrus Heights?

In Citrus Heights, California, the average relative humidity in September is 42%.

How many days does it rain in September in Citrus Heights?

In Citrus Heights, during September, the rain falls for 2.2 days and regularly aggregates up to 0.2" (5mm) of precipitation.

How many hours of daylight does Citrus Heights have in September?

In Citrus Heights, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Citrus Heights?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:34 pm. On the last day of the month, in Citrus Heights, California, sunrise is at 7:00 am and sunset at 6:48 pm PDT.

How many hours of sunshine does Citrus Heights have in September?

In September, the average sunshine duration in Citrus Heights, California, is 11.2h.

How high is the UV index in September in Citrus Heights?

The average daily maximum UV index in September in Citrus Heights is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Citrus Heights, CA

Average temperature in September - Citrus Heights, CA
  • Average high temperature in September: 88°F

The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (54.1°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).

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Average pressure in September
Citrus Heights, CA

Average pressure in September - Citrus Heights, CA
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Citrus Heights, CA

Average wind speed in September - Citrus Heights, CA
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is February (5.6mph).
The calmest month (with the lowest average wind speed) is September (4mph).

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Average humidity in September
Citrus Heights, CA

Average humidity in September - Citrus Heights, CA
  • Average humidity in September: 42%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (41%).

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Average rainfall in September
Citrus Heights, CA

Average rainfall in September - Citrus Heights, CA
  • Average rainfall in September: 0.2"

The wettest month (with the highest rainfall) is March (3.54").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in September
Citrus Heights, CA

Average rainfall days in September - Citrus Heights, CA
  • Average rainfall days in September: 2.2 days

The month with the highest number of rainy days is March (13.8 days).
The months with the least rainy days are July and August (1.1 days).

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Average daylight in September /
Average sunshine in September
Citrus Heights, CA

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in September
Citrus Heights, CA

Average sunshine days in September - Citrus Heights, CA
  • Average sunshine days in September: 27.2 days

The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (16.2 days).

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Average UV index in September
Citrus Heights, CA

Average UV index in September - Citrus Heights, CA
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Citrus Heights, CA

Average cloud cover in September - Citrus Heights, CA
  • Average cloud cover in September: 8

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in September
Citrus Heights, CA

Average visibility in September - Citrus Heights, 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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Citrus Heights, California, USA

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