September weather forecast
Oxalis, CA

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Weather in September

The first month of the autumn, September, is still a hot month in Oxalis, California, with an average temperature varying between 92.3°F (33.5°C) and 62.8°F (17.1°C).

Temperature

The arrival of September suggests a slight decrease in the average high-temperature, moving from a fiery hot 98.2°F (36.8°C) in August to a tropical 92.3°F (33.5°C). Oxalis registers a substantial downturn from daytime peaks throughout September nights, with an average low-temperature of 62.8°F (17.1°C).

Humidity

The average relative humidity in September is 36%.

Rainfall

In Oxalis, in September, during 1.2 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. In Oxalis, during the entire year, the rain falls for 50.9 days and collects up to 5.59" (142mm) of precipitation.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:46 pm PDT.

Sunshine

In September, the average sunshine is 11.4h.

UV index

The average daily maximum UV index in September in Oxalis is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

How hot does it get in Oxalis in September?

The average high-temperature and low-temperature in Oxalis during September are 92.3°F (33.5°C) and 62.8°F (17.1°C) respectively. In May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 82.4°F (28°C).

What is the average humidity in September in Oxalis?

The average relative humidity in September in Oxalis is 36%.

How many days does it rain in September in Oxalis?

In September, in Oxalis, California, the rain falls for 1.2 days. Throughout September, 0.08" (2mm) of precipitation is accumulated.

How many hours of daylight does Oxalis have in September?

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

When is the sunrise / sunset in September in Oxalis?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:46 pm PDT.

How long on average sun shines in September in Oxalis?

The average sunshine duration in September in Oxalis, California, is 11.4h.

How high is the UV index in September in Oxalis?

The average daily maximum UV index in September in Oxalis is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Oxalis, CA

Average temperature in September - Oxalis, CA
  • Average high temperature in September: 92.3°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: 62.8°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 (42.3°F).

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Average pressure in September
Oxalis, CA

Average pressure in September - Oxalis, CA
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Oxalis, CA

Average wind speed in September - Oxalis, CA
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is June (8.4mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).

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Average humidity in September
Oxalis, CA

Average humidity in September - Oxalis, CA
  • Average humidity in September: 36%

The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (32%).

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Average rainfall in September
Oxalis, CA

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

The wettest month (with the highest rainfall) is March (1.18").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in September
Oxalis, CA

Average rainfall days in September - Oxalis, CA
  • Average rainfall days in September: 1.2 days

The month with the highest number of rainy days is March (9.6 days).
The month with the least rainy days is June (1 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 11h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 24min).

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Average sunshine days in September
Oxalis, CA

Average sunshine days in September - Oxalis, CA
  • Average sunshine days in September: 27.8 days

The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is March (20.6 days).

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Average UV index in September
Oxalis, CA

Average UV index in September - Oxalis, 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 November and December (UV index 3).

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Average cloud cover in September
Oxalis, CA

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

The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are July and August (Cloud cover 4).

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Average visibility in September
Oxalis, CA

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

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