September weather forecast
Forest Ranch, CA

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Weather in September

September, the first month of the autumn in Forest Ranch, is still a warm month, with an average temperature varying between 82.4°F (28°C) and 55.4°F (13°C).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a hot 88.3°F (31.3°C) in August to a warm 82.4°F (28°C). September in Forest Ranch is characterized by a distinct thermal shift, with nighttime lows averaging at a refreshing 55.4°F (13°C).

Humidity

In September, the average relative humidity in Forest Ranch, California, is 39%.

Rainfall

In September, in Forest Ranch, the rain falls for 3.7 days. Throughout September, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Forest Ranch, there are 88.8 rainfall days, and 27.6" (701mm) of precipitation is accumulated.

Snowfall

In Forest Ranch, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:50 pm PDT.

Sunshine

In September, the average sunshine in Forest Ranch is 11.1h.

UV index

In Forest Ranch, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

Is it hot in Forest Ranch during September?

The high-temperature during September is 82.4°F (28°C) and the low-temperature is 55.4°F (13°C). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 80.6°F (27°C).

What is the average humidity in September in Forest Ranch?

The average relative humidity in September is 39%.

How many days does it rain in September in Forest Ranch?

In Forest Ranch, California, in September, during 3.7 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When it does not snow in Forest Ranch?

May through October are months without snowfall in Forest Ranch.

What is the average length of the day in September in Forest Ranch?

The average day length in September in Forest Ranch is 12h and 26min.

When is the sunrise / sunset in September in Forest Ranch?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:37 pm. On the last day of the month, in Forest Ranch, California, sunrise is at 7:02 am and sunset at 6:50 pm PDT.

How long on average sun shines in September in Forest Ranch?

In September, the average sunshine duration in Forest Ranch is 11.1h.

What is the UV index reading in September in Forest Ranch?

The average daily maximum UV index in September in Forest Ranch, California, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
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
Forest Ranch, CA

Average temperature in September - Forest Ranch, CA
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (49.1°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).

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Average pressure in September
Forest Ranch, CA

Average pressure in September - Forest Ranch, CA
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Forest Ranch, CA

Average wind speed in September - Forest Ranch, CA
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Forest Ranch, CA

Average humidity in September - Forest Ranch, CA
  • Average humidity in September: 39%

The month with the highest relative humidity is March (76%).
The months with the lowest relative humidity are July and August (36%).

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Average rainfall in September
Forest Ranch, CA

Average rainfall in September - Forest Ranch, CA
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is March (5").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in September
Forest Ranch, CA

Average rainfall days in September - Forest Ranch, CA
  • Average rainfall days in September: 3.7 days

The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is July (2.3 days).

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Average snowfall in September
Forest Ranch, CA

Average snowfall in September - Forest Ranch, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Forest Ranch, CA

Average snowfall days in September - Forest Ranch, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Forest Ranch, CA

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • 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 30min).

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Average sunshine days in September
Forest Ranch, CA

Average sunshine days in September - Forest Ranch, CA
  • Average sunshine days in September: 25.3 days

The month with the most sunshine days is July (27.8 days).
The month with the least sunshine days is March (14.8 days).

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Average UV index in September
Forest Ranch, CA

Average UV index in September - Forest Ranch, CA
  • Average UV index in September: 4

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

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Average cloud cover in September
Forest Ranch, CA

Average cloud cover in September - Forest Ranch, CA
  • Average cloud cover in September: 10

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

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Average visibility in September
Forest Ranch, CA

Average visibility in September - Forest Ranch, 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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Forest Ranch, California, USA

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