September weather forecast
Camp Nelson, CA

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Weather in September

The first month of the autumn, September, is still a hot month in Camp Nelson, California, with an average temperature varying between 61.9°F (16.6°C) and 90.7°F (32.6°C).

Temperature

September's onset brings a negligible change in high-temperatures, falling from a very hot 96.8°F (36°C) in August to a hot 90.7°F (32.6°C). Nighttime temperatures exhibit a substantial dip from daytime highs during September, averaging at a comfortable 61.9°F (16.6°C).

Humidity

In Camp Nelson, California, the average relative humidity in September is 32%.

Rainfall

In Camp Nelson, during September, the rain falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 52.3 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Snowfall

In Camp Nelson, snow does not fall in January, March through December.

Daylight

The average length of the day in September in Camp Nelson is 12h and 23min.
On the first day of September, sunrise is at 6:26 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm PDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Camp Nelson, California, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

How hot is it in Camp Nelson in September?

In Camp Nelson, 90.7°F (32.6°C) is the average high-temperature and 61.9°F (16.6°C) is the average low-temperature during September.

What is the average humidity in September in Camp Nelson?

In Camp Nelson, California, the average relative humidity in September is 32%.

How much does it rain in Camp Nelson in September?

In Camp Nelson, in September, during 1.5 rainfall days, 0.12" (3mm) of precipitation is typically accumulated.

When it does not snow in Camp Nelson?

January, March through December are months without snowfall in Camp Nelson, California.

How many hours of daylight does Camp Nelson have in September?

The average day length in September in Camp Nelson is 12h and 23min.

When is the sunrise / sunset in September in Camp Nelson?

On the first day of September, sunrise is at 6:26 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm PDT.

How long on average sun shines in September in Camp Nelson?

In Camp Nelson, the average sunshine duration in September is 11h.

What is the UV index intensity in September in Camp Nelson?

In Camp Nelson, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Camp Nelson, CA

Average temperature in September - Camp Nelson, CA
  • Average high temperature in September: 90.7°F

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).

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Average pressure in September
Camp Nelson, CA

Average pressure in September - Camp Nelson, CA
  • Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Camp Nelson, CA

Average wind speed in September - Camp Nelson, CA
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (3.6mph).

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Average humidity in September
Camp Nelson, CA

Average humidity in September - Camp Nelson, CA
  • Average humidity in September: 32%

The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is August (30%).

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Average rainfall in September
Camp Nelson, CA

Average rainfall in September - Camp Nelson, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is March (1.93").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in September
Camp Nelson, CA

Average rainfall days in September - Camp Nelson, CA
  • Average rainfall days in September: 1.5 days

The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is August (0.5 days).

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Average snowfall days in September
Camp Nelson, CA

Average snowfall days in September - Camp Nelson, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
Camp Nelson, CA

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 11h and 0min

The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in September
Camp Nelson, CA

Average sunshine days in September - Camp Nelson, CA
  • Average sunshine days in September: 27.7 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.3 days).

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Average UV index in September
Camp Nelson, CA

Average UV index in September - Camp Nelson, 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 January, November and December (UV index 3).

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Average cloud cover in September
Camp Nelson, CA

Average cloud cover in September - Camp Nelson, CA
  • Average cloud cover in September: 5

The month with the most cloud cover is March (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 4).

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Average visibility in September
Camp Nelson, CA

Average visibility in September - Camp Nelson, 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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Camp Nelson, California, USA

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