September weather forecast and climate
San Luis, Argentina

What is the temperature in September in San Luis?

In San Luis, Argentina, in September, the average high-temperature is 21.7°C (71.1°F), and the average low-temperature is 7.8°C (46°F).
Average temperature in September - San Luis, Argentina
  • Average high temperature in September: 21.7°C

The warmest month (with the highest average high temperature) is January (31.1°C).
The month with the lowest average high temperature is July (16.8°C).

  • Average low temperature in September: 7.8°C

The month with the highest average low temperature is January (17.6°C).
The coldest month (with the lowest average low temperature) is July (3.5°C).

Average humidity in September - San Luis, Argentina
  • Average humidity in September: 48%

The month with the highest relative humidity is April (65%).
Months with the lowest relative humidity are September and November (48%).

Average rainfall in September - San Luis, Argentina
  • Average rainfall in September: 19.2mm

The wettest month (with the highest rainfall) is January (109.7mm).
The driest month (with the lowest rainfall) is August (8.1mm).

Average rainfall days in September - San Luis, Argentina
  • Average rainfall days in September: 4 days

Months with the highest number of rainy days are January and December (10 days).
Months with the lowest number of rainy days are June and August (2 days).

Average daylight in September / Average sunshine in September - San Luis, Argentina
  • Average daylight in September: 11.9h

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

  • Average sunshine in September: 8h

The month with most sunshine is January (Average sunshine: 10.3h).
The month with least sunshine is June (Average sunshine: 6.2h).

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