September weather forecast
Dairyland, CA

Weather in September

The first month of the autumn, September, is also a hot month in Dairyland, California, with an average temperature varying between 62.6°F (17°C) and 92.1°F (33.4°C).

Temperature

In September, the average high-temperature slightly decreases from a torrid 98.2°F (36.8°C) in August to a tropical 92.1°F (33.4°C). In September, the average low-temperature is 62.6°F (17°C).

Humidity

In Dairyland, the average relative humidity in September is 34%.

Rainfall

In Dairyland, during September, the rain falls for 1.5 days and regularly aggregates up to 0.08" (2mm) of precipitation. Throughout the year, there are 51 rainfall days, and 7.56" (192mm) of precipitation is accumulated.

Daylight

In September, the average length of the day in Dairyland is 12h and 24min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:46 pm PDT.

Sunshine

In September, the average sunshine in Dairyland is 11.4h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in September in Dairyland?

In September, the average relative humidity in Dairyland, California, is 34%.

How many days does it rain in September in Dairyland?

In Dairyland, California, during September, the rain falls for 1.5 days and regularly aggregates up to 0.08" (2mm) of precipitation.

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

In September, the average day length in Dairyland is 12h and 24min.

What time are sunrise and sunset in September in Dairyland?

On the first day of September in Dairyland, sunrise is at 6:32 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:46 pm PDT.

How many hours of sunshine does Dairyland have in September?

The average sunshine duration in September in Dairyland is 11.4h.

What is the UV index reading in September in Dairyland?

In September, the average daily maximum UV index in Dairyland, California, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Dairyland, CA

Average temperature in September - Dairyland, CA
  • Average high temperature in September: 92.1°F

The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in September
Dairyland, CA

Average pressure in September - Dairyland, CA
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Dairyland, CA

Average wind speed in September - Dairyland, CA
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity in September
Dairyland, CA

Average humidity in September - Dairyland, CA
  • Average humidity in September: 34%

The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (31%).

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Average rainfall in September
Dairyland, CA

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

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in September
Dairyland, CA

Average rainfall days in September - Dairyland, CA
  • Average rainfall days in September: 1.5 days

The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (0.8 days).

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Average daylight in September /
Average sunshine in September
Dairyland, CA

Average daylight in September / Average sunshine in September - Dairyland, CA
  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 40min).
The month with the shortest days is December (Average daylight: 9h and 40min).

  • Average sunshine in September: 11h and 24min

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

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Average sunshine days in September
Dairyland, CA

Average sunshine days in September - Dairyland, CA
  • Average sunshine days in September: 27.2 days

The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.5 days).

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Average UV index in September
Dairyland, CA

Average UV index in September - Dairyland, CA
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (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
Dairyland, CA

Average cloud cover in September - Dairyland, CA
  • Average cloud cover in September: 5

The months with the most cloud cover are March and December (Cloud cover 30).
The months with the least cloud cover are July, August and September (Cloud cover 5).

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Average visibility in September
Dairyland, CA

Average visibility in September - Dairyland, 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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