September weather forecast and climate
Mineral, CA

Weather in September

September, the first month of the autumn, in Mineral, is still a warm month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 44.6°F (7°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 80.2°F (26.8°C) in August, to a still moderately hot 73.4°F (23°C). In September, the average low-temperature is 44.6°F (7°C).

Humidity

In Mineral, the average relative humidity in September is 47%.

Rainfall

In September, the rain falls for 5.5 days. Throughout September, 0.67" (17mm) of precipitation is accumulated. Throughout the year, there are 98.1 rainfall days, and 32.99" (838mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows in Mineral, California. Throughout September, in the average 0.2 snowfall days, it receives 0.47" (12mm) of snow. In Mineral, during the entire year, snow falls for 66 days, and aggregates up to 127.72" (3244mm) of snow.

Daylight

In Mineral, California, the average length of the day is 12.4h.

Sunshine

The average sunshine in September is 11.1h.

UV index

In Mineral, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in Mineral?

The average high-temperature, in September, is 73.4°F (23°C), while the average low-temperature is 44.6°F (7°C).

What is the average humidity in September in Mineral?

In Mineral, the average relative humidity in September is 47%.

How much does it rain in Mineral in September?

In Mineral, during September, the rain falls for 5.5 days and regularly aggregates up to 0.67" (17mm) of precipitation.

When does it start to snow in Mineral?

September is the first month it typically snows in Mineral, California. Throughout September, in the average 0.2 snowfall days, it receives 0.47" (12mm) of snow.

How many hours of daylight does Mineral have in September?

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

How long on average sun shines in September in Mineral?

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

How high is the UV index in September in Mineral?

The average daily maximum UV index in September is 4. 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
Mineral, CA

Average temperature in September - Mineral, CA
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in September: 44.6°F

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

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Average pressure in September
Mineral, CA

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

The month with the highest atmospheric pressure is January (30.18").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in September
Mineral, CA

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

The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Mineral, CA

Average humidity in September - Mineral, CA
  • Average humidity in September: 47%

The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is July (42%).

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Average rainfall in September
Mineral, CA

Average rainfall in September - Mineral, CA
  • Average rainfall in September: 0.67"

The wettest month (with the highest rainfall) is March (5.59").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in September
Mineral, CA

Average rainfall days in September - Mineral, CA
  • Average rainfall days in September: 5.5 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is August (4 days).

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Average snowfall in September
Mineral, CA

Average snowfall in September - Mineral, CA
  • Average snowfall in September: 0.47"

The month with the highest snowfall is March (27.05").
Months with the least snowfall are July and August (0").

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Average snowfall days in September
Mineral, CA

Average snowfall days in September - Mineral, CA
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is March (14 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
Mineral, CA

Average daylight in September / Average sunshine in September - Mineral, 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: 9.3h).

  • Average sunshine in September: 11.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 5.1h).

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Average sunshine days in September
Mineral, CA

Average sunshine days in September - Mineral, CA
  • Average sunshine days in September: 23.1 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is March (10.9 days).

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Average UV index in September
Mineral, CA

Average UV index in September - Mineral, CA
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are February and November (UV index 1).

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Average cloud cover in September
Mineral, CA

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

The month with the most cloud cover is March (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 7).

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Average visibility in September
Mineral, CA

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

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

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