September weather forecast and climate
Happy Camp, CA

Weather in September

The first month of the autumn, September, is still a warm month in Happy Camp, California, with average temperature fluctuating between 43.7°F (6.5°C) and 76.8°F (24.9°C).

Temperature

In Happy Camp, the average high-temperature in September slightly decreases, from 83.3°F (28.5°C) in August, to a still warm 76.8°F (24.9°C). The average low-temperature, in Happy Camp, is 43.7°F (6.5°C).

Humidity

In September, the average relative humidity in Happy Camp is 63%.

Rainfall

In Happy Camp, during September, the rain falls for 4.5 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Happy Camp, there are 127.2 rainfall days, and 39.02" (991mm) of precipitation is accumulated.

Snowfall

In Happy Camp snow does not fall in April through November.

Daylight

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

Sunshine

In Happy Camp, the average sunshine is 10.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 temperature in September in Happy Camp?

In September, in Happy Camp, California, the average high-temperature is 76.8°F (24.9°C), and the average low-temperature is 43.7°F (6.5°C).

What is the average humidity in September in Happy Camp?

In September, the average relative humidity in Happy Camp, California, is 63%.

How much does it rain in Happy Camp in September?

In Happy Camp, California, in September, during 4.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow in Happy Camp?

April through November are months without snowfall in Happy Camp, California.

What is the average length of the day in September in Happy Camp?

The average length of the day in September is 12.4h.

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

The average sunshine in September in Happy Camp, California, is 10.3h.

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

In Happy Camp, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
Happy Camp, CA

Average temperature in September - Happy Camp, CA
  • Average high temperature in September: 76.8°F

The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (47.1°F).

  • Average low temperature in September: 43.7°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).

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Average pressure in September
Happy Camp, CA

Average pressure in September - Happy Camp, CA
  • Average pressure in September: 29.97"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is August (29.96").

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Average wind speed in September
Happy Camp, CA

Average wind speed in September - Happy Camp, CA
  • Average wind speed in September: 3.8mph

The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in September
Happy Camp, CA

Average humidity in September - Happy Camp, CA
  • Average humidity in September: 63%

The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in September
Happy Camp, CA

Average rainfall in September - Happy Camp, CA
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is January (7.17").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in September
Happy Camp, CA

Average rainfall days in September - Happy Camp, CA
  • Average rainfall days in September: 4.5 days

The month with the highest number of rainy days is March (19.3 days).
Months with the least rainy days are July and August (2.3 days).

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Average snowfall in September
Happy Camp, CA

Average snowfall in September - Happy Camp, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.77").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Happy Camp, CA

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

The month with the highest number of snowfall days is February (1.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 10.3h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 4.8h).

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Average sunshine days in September
Happy Camp, CA

Average sunshine days in September - Happy Camp, CA
  • Average sunshine days in September: 24.5 days

The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is March (10.3 days).

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Average UV index in September
Happy Camp, CA

Average UV index in September - Happy Camp, 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, November and December (UV index 2).

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Average cloud cover in September
Happy Camp, CA

Average cloud cover in September - Happy Camp, CA
  • Average cloud cover in September: 20

The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in September
Happy Camp, CA

Average visibility in September - Happy Camp, CA
  • Average visibility in September: 6mi

Months with the highest visibility are July, August and September (6mi).
Months with the lowest visibility are March, April and December (4mi).

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