September weather forecast
Camp Nelson, CA

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Weather in September

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

Temperature

Camp Nelson's September weather features a light decline in high-temperatures, reducing from a fiery hot 96.8°F (36°C) in August to a tropical 90.7°F (32.6°C). A noticeable downturn in temperature characterizes the September nights, averaging at a refreshing 61.9°F (16.6°C).

Humidity

In September, the average relative humidity 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

January, March through December are months without snowfall.

Daylight

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

Sunshine

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

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

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

What is the average humidity in September?

The average relative humidity in September is 32%.

How much does it rain in September?

In September, the rain falls for 1.5 days. Throughout September, 0.12" (3mm) of precipitation is accumulated.

When it does not snow?

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

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

In September, the average day length is 12h and 23min.

When is the sunrise / sunset in September?

In September, on the first day of the month, 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?

The average sunshine duration in September is 11h.

What is the UV index intensity in September?

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

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

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).

Camp Nelson, California, USA

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