September weather forecast
Copic, CA

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Weather in September

The first month of the autumn, September, is still a warm month in Copic, California, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 44.1°F (6.7°C).

Temperature

Copic's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 82.8°F (28.2°C) in August to a still warm 74.1°F (23.4°C). Copic's nighttime temperatures in September reflect a stark contrast to the day's highs, falling to an average low of 44.1°F (6.7°C).

Humidity

In September, the average relative humidity in Copic is 51%.

Rainfall

In Copic, during September, the rain falls for 4 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 97.4 rainfall days, and 12.01" (305mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows in Copic. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 64.6 snowfall days, and 38.31" (973mm) of snow is accumulated.

Daylight

In September, the average length of the day in Copic, California, is 12h and 28min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm PDT.

Sunshine

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

UV index

In Copic, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Copic?

In Copic, 74.1°F (23.4°C) is the average high-temperature and 44.1°F (6.7°C) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is appraised at 82.4°F (28°C).

What is the average humidity in September in Copic?

The average relative humidity in September in Copic is 51%.

How many days does it rain in September in Copic?

In Copic, California, during September, the rain falls for 4 days and regularly aggregates up to 0.39" (10mm) of precipitation.

When does it start snowing in Copic?

September is the first month it typically snows in Copic, California. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Copic have in September?

In September, the average day length in Copic, California, is 12h and 28min.

When are sunrise and sunset in September in Copic?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:38 pm. On the last day of the month, in Copic, sunrise is at 7:02 am and sunset at 6:48 pm PDT.

How long on average sun shines in September in Copic?

The average sunshine duration in September in Copic is 11.1h.

What is the UV index intensity in September in Copic?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Copic, CA

Average temperature in September - Copic, CA
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).

  • Average low temperature in September: 44.1°F

The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).

Average pressure in September
Copic, CA

Average pressure in September - Copic, CA
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.96"Hg).

Average wind speed in September
Copic, CA

Average wind speed in September - Copic, CA
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Copic, CA

Average humidity in September - Copic, CA
  • Average humidity in September: 51%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).

Average rainfall in September
Copic, CA

Average rainfall in September - Copic, CA
  • Average rainfall in September: 0.39"

The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in September
Copic, CA

Average rainfall days in September - Copic, CA
  • Average rainfall days in September: 4 days

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (3.1 days).

Average snowfall in September
Copic, CA

Average snowfall in September - Copic, CA
  • Average snowfall in September: 0.08"

The month with the highest snowfall is December (9.57").
The months with the least snowfall are July and August (0").

Average snowfall days in September
Copic, CA

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

The month with the highest number of snowfall days is December (13.4 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Copic, CA

Average daylight in September / Average sunshine in September - Copic, CA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • 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 January (Average sunshine: 5h and 24min).

Average sunshine days in September
Copic, CA

Average sunshine days in September - Copic, CA
  • Average sunshine days in September: 24.8 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.5 days).

Average UV index in September
Copic, CA

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Copic, CA

Average cloud cover in September - Copic, CA
  • Average cloud cover in September: 14

The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in September
Copic, CA

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

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

Copic, California, USA

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