San Nicolas Island
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
San Nicolas Island, CA

September, the first month of the autumn, in San Nicolas Island, is also an agreeable month, with average temperature varying between 58.5°F (14.7°C) and 71.1°F (21.7°C).

Temperature

September is the warmest month, with an average high-temperature of 71.1°F (21.7°C) and an average low-temperature of 58.5°F (14.7°C).

Rainfall

In San Nicolas Island, California, in September, it is raining for 1 days, with typically 0.2" (4.3mm) of accumulated precipitation. Throughout the year, there are 39 rainfall days, and 8.6" (217.8mm) of precipitation is accumulated.

Daylight

In San Nicolas Island, the average length of the day in September is 12.4h.

What is the warmest month in San Nicolas Island?

With an average high-temperature of 71.1°F (21.7°C) and an average low-temperature of 58.5°F (14.7°C), September is the warmest month in San Nicolas Island, California.

What is the temperature in September in San Nicolas Island?

The average high-temperature, in September, in San Nicolas Island, is 71.1°F (21.7°C), while the average low-temperature is 58.5°F (14.7°C).

How many days does it rain in September in San Nicolas Island?

In San Nicolas Island, during September, the rain falls for 1 days and regularly aggregates up to 0.2" (4.3mm) of precipitation.

How many hours of daylight does San Nicolas Island have in September?

In September, the average length of the day in San Nicolas Island, California, is 12.4h.
Average temperature in September - San Nicolas Island, CA
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is September (71.1°F).
The month with the lowest average high temperature is February (60.5°F).

  • Average low temperature in September: 58.4°F

The month with the highest average low temperature is September (58.4°F).
The coldest month (with the lowest average low temperature) is January (50.1°F).

Average rainfall in September - San Nicolas Island, CA
  • Average rainfall in September: 0.2"

The wettest month (with the highest rainfall) is February (2").
Driest months (with the lowest rainfall) are June and July (0").

Average rainfall days in September - San Nicolas Island, CA
  • Average rainfall days in September: 1 days

The month with the highest number of rainy days is February (7 days).
The month with the lowest number of rainy days is August (0 days).

Average daylight in September - San Nicolas Island, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).