La Mesa
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
La Mesa, CA

September, the first month of the autumn, in La Mesa, is also a moderately hot month, with average temperature varying between 62.8°F (17.1°C) and 85.3°F (29.6°C).

Temperature

In La Mesa, California, the average high-temperature is almost the same as in August - a still moderately hot 85.3°F (29.6°C). The average low-temperature, in La Mesa, is 62.8°F (17.1°C).

Rainfall

In La Mesa, 0.2" (5.3mm) of precipitation is typically accumulated. Throughout the year, 12.7" (322mm) of rain is accumulated.

Daylight

In La Mesa, the average length of the day in September is 12.4h.

What is the temperature in September in La Mesa?

In La Mesa, in September, the average high-temperature is 85.3°F (29.6°C), and the average low-temperature is 62.8°F (17.1°C).

How much does it rain in La Mesa in September?

During September, La Mesa regularly aggregates up to 0.2" (5.3mm) of precipitation.

What is the average length of the day in September in La Mesa?

In La Mesa, the average length of the day in September is 12.4h.
Average temperature in September - La Mesa, CA
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is August (85.9°F).
The month with the lowest average high temperature is December (68.9°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is August (64.7°F).
The coldest month (with the lowest average low temperature) is December (45.9°F).

Average rainfall in September - La Mesa, CA
  • Average rainfall in September: 0.2"

Wettest months (with the highest rainfall) are January, February and March (2.4").
Driest months (with the lowest rainfall) are July and August (0").

Average daylight in September - La Mesa, 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).