September weather forecast and climate
Madera, CA

Weather in September

September, the first month of the autumn, in Madera, is still a hot month, with average temperature fluctuating between 62.8°F (17.1°C) and 92.8°F (33.8°C).

Temperature

In September, the average high-temperature slightly decreases, from a torrid 99.3°F (37.4°C) in August, to a tropical 92.8°F (33.8°C). The average low-temperature, in Madera, California, is 62.8°F (17.1°C).

Humidity

In September, the average relative humidity is 33%.

Rainfall

In Madera, during September, the rain falls for 1.6 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 61.3 rainfall days, and 12.99" (330mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in Madera is 11.3h.

UV index

The average daily maximum UV index in Madera is 6. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Madera?

The average relative humidity in September in Madera is 33%.

How much does it rain in Madera in September?

In Madera, California, in September, it is raining for 1.6 days, with typically 0.12" (3mm) of accumulated precipitation.

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

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

How many hours of sunshine does Madera have in September?

In September, the average sunshine in Madera, California, is 11.3h.

What is the UV index reading in September in Madera?

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

Average temperature in September
Madera, CA

Average temperature in September - Madera, CA
  • Average high temperature in September: 33.8°C

The warmest month (with the highest average high temperature) is July (38.4°C).
The month with the lowest average high temperature is December (13.6°C).

  • Average low temperature in September: 17.1°C

The month with the highest average low temperature is July (19.3°C).
The coldest month (with the lowest average low temperature) is December (5.6°C).

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Average pressure in September
Madera, CA

Average pressure in September - Madera, CA
  • Average pressure in September: 1013.4mbar

The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is June (1012.6mbar).

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Average wind speed in September
Madera, CA

Average wind speed in September - Madera, CA
  • Average wind speed in September: 9.7km/h

The windiest month (with the highest average wind speed) is June (12.8km/h).
The calmest month (with the lowest average wind speed) is November (7.6km/h).

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Average humidity in September
Madera, CA

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

The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (29%).

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Average rainfall in September
Madera, CA

Average rainfall in September - Madera, CA
  • Average rainfall in September: 3mm

The wettest month (with the highest rainfall) is March (64mm).
The driest month (with the least rainfall) is August (1mm).

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Average rainfall days in September
Madera, CA

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

The month with the highest number of rainy days is March (11.2 days).
The month with the least rainy days is August (1 days).

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

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

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 11.3h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.1h).

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Average sunshine days in September
Madera, CA

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

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (18.9 days).

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Average UV index in September
Madera, CA

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in September
Madera, CA

Average cloud cover in September - Madera, CA
  • Average cloud cover in September: 6

The month with the most cloud cover is December (Cloud cover 32).
Months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in September
Madera, CA

Average visibility in September - Madera, CA
  • Average visibility in September: 10km

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

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