September weather forecast
Arbuckle, CA

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Weather in September

September, the first month of the autumn in Arbuckle, is still a hot month, with an average temperature fluctuating between 89.8°F (32.1°C) and 59.9°F (15.5°C).

Temperature

September signifies a minor drop in average high-temperature, transitioning from a sweltering 95.9°F (35.5°C) in August to a tropical 89.8°F (32.1°C). In September, the nighttime temperature plummets remarkably from the daily apex to a steady average of 59.9°F (15.5°C).

Humidity

With an average relative humidity of 38%, September is the least humid month in Arbuckle.

Rainfall

In September, in Arbuckle, the rain falls for 1.6 days. Throughout September, 0.12" (3mm) of precipitation is accumulated. In Arbuckle, during the entire year, the rain falls for 70.9 days and collects up to 12.13" (308mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

In Arbuckle, California, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:37 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:51 pm PDT.

Sunshine

The average sunshine in September in Arbuckle is 11.2h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 during September translates into the following guidance:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

How hot is it in Arbuckle in September?

The high-temperature during September is 89.8°F (32.1°C) and the low-temperature is 59.9°F (15.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 100.4°F (38°C).

What is the least humid month in Arbuckle?

The least humid month in Arbuckle, California, is September, with an average relative humidity of 38%.

What is the average humidity in September in Arbuckle?

In September, the average relative humidity in Arbuckle is 38%.

How many days does it rain in September in Arbuckle?

In September, in Arbuckle, California, the rain falls for 1.6 days. Throughout September, 0.12" (3mm) of precipitation is accumulated.

When it does not snow in Arbuckle?

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

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

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

When is the sunrise / sunset in September in Arbuckle?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:51 pm PDT.

How many hours of sunshine does Arbuckle have in September?

In Arbuckle, the average sunshine duration in September is 11.2h.

How high is the UV index in September in Arbuckle?

In Arbuckle, California, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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
Arbuckle, CA

Average temperature in September - Arbuckle, CA
  • Average high temperature in September: 89.8°F

The warmest month (with the highest average high temperature) is July (97.2°F).
The month with the lowest average high temperature is December (54.3°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (41.7°F).

Average pressure in September
Arbuckle, CA

Average pressure in September - Arbuckle, CA
  • Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Arbuckle, CA

Average wind speed in September - Arbuckle, CA
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are February and March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Arbuckle, CA

Average humidity in September - Arbuckle, CA
  • Average humidity in September: 38%

The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is September (38%).

Average rainfall in September
Arbuckle, CA

Average rainfall in September - Arbuckle, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is February (2.44").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in September
Arbuckle, CA

Average rainfall days in September - Arbuckle, CA
  • Average rainfall days in September: 1.6 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is July (0.8 days).

Average snowfall days in September
Arbuckle, CA

Average snowfall days in September - Arbuckle, 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).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
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 42min).

Average sunshine days in September
Arbuckle, CA

Average sunshine days in September - Arbuckle, CA
  • Average sunshine days in September: 28 days

The months with the most sunshine days are July and August (29.6 days).
The month with the least sunshine days is March (17.2 days).

Average UV index in September
Arbuckle, CA

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

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).

Average cloud cover in September
Arbuckle, CA

Average cloud cover in September - Arbuckle, CA
  • Average cloud cover in September: 8

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in September
Arbuckle, CA

Average visibility in September - Arbuckle, 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).

Arbuckle, California, USA

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