Pleasanton
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Pleasanton, CA

Neon-lit buildings in the CBD of downtown Pleasanton, California, distant mountains still visible in the dark evening with dark clouds in the sky
Neon-lit buildings in the CBD of downtown Pleasanton, California, distant mountains still visible in the dark evening with dark clouds in the sky
September, the first month of the autumn, in Pleasanton, is also a hot month, with temperature in the range of an average high of 86°F (30°C) and an average low of 53.1°F (11.7°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still hot 86°F (30°C). In Pleasanton, in September, the average low-temperature is 53.1°F (11.7°C).

Rainfall

In Pleasanton, 0.2" (6.1mm) of precipitation is typically accumulated. Throughout the year, 14.8" (376.4mm) of rain is accumulated.

Daylight

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

What is the temperature in September in Pleasanton?

In September, in Pleasanton, the average high-temperature is 86°F (30°C), and the average low-temperature is 53.1°F (11.7°C).

How much does it rain in Pleasanton in September?

In Pleasanton, California, in September, 0.2" (6.1mm) of precipitation is typically accumulated.

How many hours of daylight does Pleasanton have in September?

The average length of the day in September is 12.4h.
Average temperature in September - Pleasanton, CA
  • Average high temperature in September: 86°F

Warmest months (with the highest average high temperature) are July and August (89°F).
The month with the lowest average high temperature is December (57°F).

  • Average low temperature in September: 53°F

Months with the highest average low temperature are July and August (55°F).
Coldest months (with the lowest average low temperature) are January and December (37°F).

Average rainfall in September - Pleasanton, CA
  • Average rainfall in September: 0.2"

The wettest month (with the highest rainfall) is January (3").
The driest month (with the lowest rainfall) is July (0").

Average daylight in September - Pleasanton, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).