September weather forecast and climate
Clio, CA

Weather in September

September, the first month of the autumn, in Clio, is still a warm month, with average temperature fluctuating between 73.8°F (23.2°C) and 42.3°F (5.7°C).

Temperature

In September, the average high-temperature slightly decreases, from a moderately hot 81.1°F (27.3°C) in August, to a still warm 73.8°F (23.2°C). The average low-temperature, in Clio, is 42.3°F (5.7°C).

Humidity

The average relative humidity in September is 46%.

Rainfall

In Clio, it is raining for 4.5 days, with typically 0.43" (11mm) of accumulated precipitation. In Clio, during the entire year, the rain falls for 80.1 days and collects up to 22.95" (583mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Clio, California. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 1.02" (26mm) of snow. In Clio, during the entire year, snow falls for 69.3 days, and aggregates up to 103.5" (2629mm) of snow.

Daylight

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

Sunshine

The average sunshine in September is 11h.

UV index

In Clio, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Clio?

The average high-temperature, in September, is 73.8°F (23.2°C), while the average low-temperature is 42.3°F (5.7°C).

What is the average humidity in September in Clio?

In September, the average relative humidity is 46%.

How many days does it rain in September in Clio?

In Clio, in September, it is raining for 4.5 days, with typically 0.43" (11mm) of accumulated precipitation.

When does it start snowing in Clio?

September is the first month it typically snows in Clio, California. Throughout September, in the average 0.4 snowfall days, it receives 1.02" (26mm) of snow.

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

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

How long on average sun shines in September in Clio?

In September, the average sunshine in Clio, California, is 11h.

What is the UV index intensity in September in Clio?

In September, the average daily maximum UV index in Clio, California, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Clio, CA

Average temperature in September - Clio, CA
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).

  • Average low temperature in September: 42.3°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

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Average pressure in September
Clio, CA

Average pressure in September - Clio, CA
  • Average pressure in September: 29.93"

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in September
Clio, CA

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

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).

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Average humidity in September
Clio, CA

Average humidity in September - Clio, CA
  • Average humidity in September: 46%

Months with the highest relative humidity are January and March (81%).
Months with the lowest relative humidity are July and August (40%).

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Average rainfall in September
Clio, CA

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

The wettest month (with the highest rainfall) is March (4.02").
The driest month (with the least rainfall) is August (0.2").

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Average rainfall days in September
Clio, CA

Average rainfall days in September - Clio, CA
  • Average rainfall days in September: 4.5 days

The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is July (3.3 days).

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Average snowfall in September
Clio, CA

Average snowfall in September - Clio, CA
  • Average snowfall in September: 1.02"

The month with the highest snowfall is December (22.52").
Months with the least snowfall are July and August (0").

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Average snowfall days in September
Clio, CA

Average snowfall days in September - Clio, CA
  • Average snowfall days in September: 0.4 days

The month with the highest number of snowfall days is March (14.7 days).
Months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 11h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in September
Clio, CA

Average sunshine days in September - Clio, CA
  • Average sunshine days in September: 25 days

The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.8 days).

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Average UV index in September
Clio, CA

Average UV index in September - Clio, CA
  • Average UV index in September: 3

Months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in September
Clio, CA

Average cloud cover in September - Clio, CA
  • Average cloud cover in September: 12

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in September
Clio, CA

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

Months with the highest visibility are May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January and December (4mi).

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