September weather forecast
Gerber, CA

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Weather in September

The first month of the autumn, September, is still a tropical month in Gerber, California, with an average temperature ranging between min 62.2°F (16.8°C) and max 88.3°F (31.3°C).

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a hot 88.3°F (31.3°C) from August's torrid 95.2°F (35.1°C). Gerber's September nights cool down significantly from the day's heat, to an average low-temperature of 62.2°F (16.8°C).

Humidity

The average relative humidity in September is 32%.

Rainfall

In September, in Gerber, the rain falls for 3.1 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. In Gerber, during the entire year, the rain falls for 82.8 days and collects up to 16.34" (415mm) of precipitation.

Snowfall

In Gerber, snow does not fall in January, March through December.

Daylight

The average length of the day in September in Gerber is 12h and 26min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:51 pm PDT.

Sunshine

The average sunshine in September is 11.1h.

UV index

In Gerber, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

How hot is it in Gerber in September?

In Gerber, 88.3°F (31.3°C) is the average high-temperature and 62.2°F (16.8°C) is the average low-temperature during September.

What is the average humidity in September in Gerber?

The average relative humidity in September in Gerber, California, is 32%.

How many days does it rain in September in Gerber?

In Gerber, in September, during 3.1 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

When it does not snow in Gerber?

In Gerber, snow does not fall in January, March through December.

How many hours of daylight does Gerber have in September?

In Gerber, California, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Gerber?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:39 pm. On the last day of the month, in Gerber, California, sunrise is at 7:04 am and sunset at 6:51 pm PDT.

How many hours of sunshine does Gerber have in September?

In Gerber, California, the average sunshine duration in September is 11.1h.

How high is the UV index in September in Gerber?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium 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
Gerber, CA

Average temperature in September - Gerber, CA
  • Average high temperature in September: 88.3°F

The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.1°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).

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Average pressure in September
Gerber, CA

Average pressure in September - Gerber, 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
Gerber, CA

Average wind speed in September - Gerber, CA
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in September
Gerber, CA

Average humidity in September - Gerber, CA
  • Average humidity in September: 32%

The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are July and August (29%).

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Average rainfall in September
Gerber, CA

Average rainfall in September - Gerber, CA
  • Average rainfall in September: 0.28"

The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in September
Gerber, CA

Average rainfall days in September - Gerber, CA
  • Average rainfall days in September: 3.1 days

The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is August (1.1 days).

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Average snowfall days in September
Gerber, CA

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

The month with the highest number of snowfall days is February (0.2 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
Gerber, CA

Average daylight in September / Average sunshine in September - Gerber, 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 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).

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Average sunshine days in September
Gerber, CA

Average sunshine days in September - Gerber, CA
  • Average sunshine days in September: 26.5 days

The months with the most sunshine days are July and August (29.3 days).
The month with the least sunshine days is March (14.9 days).

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Average UV index in September
Gerber, CA

Average UV index in September - Gerber, 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
Gerber, CA

Average cloud cover in September - Gerber, 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
Gerber, CA

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

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