September weather forecast
Arvin, CA

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Weather in September

September, the first month of the autumn in Arvin, is still a tropical month, with an average temperature ranging between min 58.5°F (14.7°C) and max 86.7°F (30.4°C).

Temperature

As September arrives, Arvin's weather displays a minor decrease in high-temperatures, transitioning from August's 92.3°F (33.5°C) to a still hot 86.7°F (30.4°C). Arvin's nights in September are distinguished by a pronounced temperature shift from the day, with an average low of 58.5°F (14.7°C).

Humidity

In September, the average relative humidity is 33%.

Rainfall

In September, in Arvin, the rain falls for 1.9 days. Throughout September, 0.12" (3mm) of precipitation is accumulated. Throughout the year, in Arvin, there are 54.3 rainfall days, and 6.22" (158mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:21 pm. On the last day of September, in Arvin, sunrise is at 6:50 am and sunset at 6:40 pm PDT.

Sunshine

In Arvin, the average sunshine in September is 11.1h.

UV index

The average daily maximum UV index in September in Arvin is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Undertake precautions - Guarding against sun damage is counselled. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

Is it hot in Arvin during September?

The high-temperature in Arvin during September is 86.7°F (30.4°C) and the low-temperature is 58.5°F (14.7°C).

What is the average humidity in September in Arvin?

The average relative humidity in September in Arvin, California, is 33%.

How much does it rain in Arvin in September?

In September, in Arvin, the rain falls for 1.9 days. Throughout September, 0.12" (3mm) of precipitation is accumulated.

When it does not snow in Arvin?

January, March through December are months without snowfall in Arvin, California.

How many hours of daylight does Arvin have in September?

In September, the average day length in Arvin is 12h and 23min.

When is the sunrise / sunset in September in Arvin?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:21 pm. On the last day of the month, in Arvin, sunrise is at 6:50 am and sunset at 6:40 pm PDT.

How long on average sun shines in September in Arvin?

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

What is the UV index intensity in September in Arvin?

In Arvin, California, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Arvin, CA

Average temperature in September - Arvin, CA
  • Average high temperature in September: 86.7°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in September: 58.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).

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Average pressure in September
Arvin, CA

Average pressure in September - Arvin, CA
  • Average pressure in September: 29.9"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Arvin, CA

Average wind speed in September - Arvin, CA
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is June (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in September
Arvin, CA

Average humidity in September - Arvin, CA
  • Average humidity in September: 33%

The months with the highest relative humidity are February and December (58%).
The month with the lowest relative humidity is August (29%).

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Average rainfall in September
Arvin, CA

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

The wettest month (with the highest rainfall) is December (1.22").
The driest months (with the least rainfall) are June and August (0.08").

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Average rainfall days in September
Arvin, CA

Average rainfall days in September - Arvin, CA
  • Average rainfall days in September: 1.9 days

The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is June (1.4 days).

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Average snowfall in September
Arvin, CA

Average snowfall in September - Arvin, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Arvin, CA

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

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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

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

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

  • Average sunshine in September: 11h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 54min).

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Average sunshine days in September
Arvin, CA

Average sunshine days in September - Arvin, CA
  • Average sunshine days in September: 26.3 days

The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (20.5 days).

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Average UV index in September
Arvin, CA

Average UV index in September - Arvin, 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
Arvin, CA

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

The month with the most cloud cover is March (Cloud cover 23).
The months with the least cloud cover are June, July, August and September (Cloud cover 5).

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Average visibility in September
Arvin, CA

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

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