September weather forecast and climate
Ibis, CA

Weather in September

The first month of the autumn, September, is still a tropical month in Ibis, California, with average temperature varying between 94.8°F (34.9°C) and 77.4°F (25.2°C).

Temperature

In Ibis, California, the average high-temperature slightly decreases, from a very hot 101.7°F (38.7°C) in August, to a hot 94.8°F (34.9°C). The average low-temperature, in September, is 77.4°F (25.2°C).

Humidity

In Ibis, California, the average relative humidity in September is 24%.

Rainfall

In Ibis, during 4.3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, in Ibis, there are 41.8 rainfall days, and 4.21" (107mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12.4h.

Sunshine

In Ibis, the average sunshine is 10.1h.

UV index

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Ibis?

The average high-temperature, in September, in Ibis, is 94.8°F (34.9°C), while the average low-temperature is 77.4°F (25.2°C).

What is the average humidity in September in Ibis?

In September, the average relative humidity is 24%.

How many days does it rain in September in Ibis?

In Ibis, in September, it is raining for 4.3 days, with typically 0.43" (11mm) of accumulated precipitation.

How many hours of daylight does Ibis have in September?

In Ibis, California, the average length of the day in September is 12.4h.

How many hours of sunshine does Ibis have in September?

In Ibis, the average sunshine in September is 10.1h.

How high is the UV index in September in Ibis?

The average daily maximum UV index in September in Ibis is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
Ibis, CA

Average temperature in September - Ibis, CA
  • Average high temperature in September: 94.8°F

The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (59°F).

  • Average low temperature in September: 77.4°F

The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).

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Average pressure in September
Ibis, CA

Average pressure in September - Ibis, CA
  • Average pressure in September: 29.82"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.75").

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Average wind speed in September
Ibis, CA

Average wind speed in September - Ibis, CA
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).

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Average humidity in September
Ibis, CA

Average humidity in September - Ibis, CA
  • Average humidity in September: 24%

Months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (14%).

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Average rainfall in September
Ibis, CA

Average rainfall in September - Ibis, CA
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is July (0.67").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Ibis, CA

Average rainfall days in September - Ibis, CA
  • Average rainfall days in September: 4.3 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).

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

Average daylight in September / Average sunshine in September - Ibis, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 10.1h

Months with the most sunshine are June and August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in September
Ibis, CA

Average sunshine days in September - Ibis, CA
  • Average sunshine days in September: 22.8 days

The month with the most sunshine days is November (28.1 days).
The month with the least sunshine days is July (17.9 days).

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Average UV index in September
Ibis, CA

Average UV index in September - Ibis, CA
  • Average UV index in September: 7

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Ibis, CA

Average cloud cover in September - Ibis, CA
  • Average cloud cover in September: 7

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Ibis, CA

Average visibility in September - Ibis, CA
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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