San Luis
Arizona, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
San Luis, AZ

September, the first month of the autumn, in San Luis, is still a very hot month, with average temperature fluctuating between 72°F (22.2°C) and 95°F (35°C).

Temperature

In San Luis, Arizona, the average high-temperature in September drops, from a blistering 108°F (42.2°C) in August, to a torrid 95°F (35°C). In September, the average low-temperature is 72°F (22.2°C).

Rainfall

The month with the most rainfall in San Luis, Arizona, is September when 2.8" (71.1mm) of precipitation is typically aggregated.

Daylight

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

What is the temperature in September in San Luis?

The average high-temperature, in September, is 95°F (35°C), while the average low-temperature is 72°F (22.2°C).

How much does it rain in San Luis in September?

During September, San Luis regularly aggregates up to 2.8" (71.1mm) of precipitation.

What is the wettest month in San Luis?

September is the month with the most rainfall in San Luis, with 2.8" (71.1mm) of accumulated precipitation.

How many hours of daylight does San Luis have in September?

The average length of the day in September is 12.4h.
Average temperature in September - San Luis, AZ
  • Average high temperature in September: 95°F

The warmest month (with the highest average high temperature) is August (108°F).
The month with the lowest average high temperature is January (68°F).

  • Average low temperature in September: 72°F

The month with the highest average low temperature is August (84°F).
The coldest month (with the lowest average low temperature) is January (48°F).

Average rainfall in September - San Luis, AZ
  • Average rainfall in September: 2.8"

The wettest month (with the highest rainfall) is September (2.8").
The driest month (with the lowest rainfall) is July (0.2").

Average daylight in September - San Luis, AZ
  • 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).