September weather forecast
New Almaden, CA

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Weather in September

September, the first month of the autumn in New Almaden, is also a moderately hot month, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 55°F (12.8°C).

Temperature

New Almaden greets September with an average high-temperature of a still warm 77.7°F (25.4°C), marking a slight deviation from the preceding month. New Almaden anticipates a considerable drop in temperature at night in September, with an average low of 55°F (12.8°C).

Humidity

September and October, with an average relative humidity of 64%, are the least humid months.

Rainfall

In New Almaden, in September, it is raining for 2.7 days, with typically 0.12" (3mm) of accumulated precipitation. In New Almaden, California, during the entire year, the rain falls for 69.6 days and collects up to 12.09" (307mm) of precipitation.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September in New Almaden, sunrise is at 6:38 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:51 pm PDT.

Sunshine

In New Almaden, the average sunshine in September is 11.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the usual temperature for New Almaden in September?

In September, in New Almaden, the average high-temperature is 77.7°F (25.4°C), and the average low-temperature is 55°F (12.8°C).

What are the least humid months in New Almaden?

The months with the lowest humidity in New Almaden, California, are September and October, with an average relative humidity of 64%.

What is the average humidity in September in New Almaden?

The average relative humidity in September in New Almaden, California, is 64%.

How many days does it rain in September in New Almaden?

In September, in New Almaden, the rain falls for 2.7 days. Throughout September, 0.12" (3mm) of precipitation is accumulated.

What is the average length of the day in September in New Almaden?

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

When are sunrise and sunset in September in New Almaden?

On the first day of September in New Almaden, sunrise is at 6:38 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:51 pm PDT.

How long on average sun shines in September in New Almaden?

In New Almaden, the average sunshine duration in September is 11.2h.

How high is the UV index in September in New Almaden?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
New Almaden, CA

Average temperature in September - New Almaden, CA
  • Average high temperature in September: 77.7°F

The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is September (55°F).
The coldest month (with the lowest average low temperature) is February (43°F).

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Average pressure in September
New Almaden, CA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

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Average wind speed in September
New Almaden, CA

Average wind speed in September - New Almaden, CA
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.7mph).

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Average humidity in September
New Almaden, CA

Average humidity in September - New Almaden, CA
  • Average humidity in September: 64%

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (64%).

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Average rainfall in September
New Almaden, CA

Average rainfall in September - New Almaden, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is February (2.32").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in September
New Almaden, CA

Average rainfall days in September - New Almaden, CA
  • Average rainfall days in September: 2.7 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is August (1.1 days).

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Average daylight in September /
Average sunshine in September
New Almaden, CA

Average daylight in September / Average sunshine in September - New Almaden, 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 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in September
New Almaden, CA

Average sunshine days in September - New Almaden, CA
  • Average sunshine days in September: 26 days

The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (16.8 days).

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Average UV index in September
New Almaden, CA

Average UV index in September - New Almaden, CA
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
New Almaden, CA

Average cloud cover in September - New Almaden, CA
  • Average cloud cover in September: 10

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in September
New Almaden, CA

Average visibility in September - New Almaden, 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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New Almaden, California, USA

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