San Luis
Argentina
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
San Luis, Argentina

The first month of the spring, September, is an agreeable month in San Luis, Argentina, with average temperature varying between 21.7°C (71.1°F) and 7.8°C (46°F).

Temperature

In September, the average high-temperature is almost the same as in August - an agreeable 21.7°C (71.1°F). The average low-temperature, is 7.8°C (46°F).

Humidity

Months with the lowest humidity are September and November, with an average relative humidity of 48%.

Rainfall

In September, in San Luis, the rain falls for 4 days. Throughout September, 19.2mm (0.8") of precipitation is accumulated. Throughout the year, in San Luis, there are 68 rainfall days, and 603.2mm (23.7") of precipitation is accumulated.

Daylight

In San Luis, the average length of the day in September is 11.9h.

Sunshine

In San Luis, the average sunshine in September is 8h.

What is the temperature in September in San Luis?

The average high-temperature, in September, is 21.7°C (71.1°F), while the average low-temperature is 7.8°C (46°F).

What is the least humid month in San Luis?

Months with the lowest humidity in San Luis, Argentina, are September and November, with an average relative humidity of 48%.

What is the average humidity in September in San Luis?

The average relative humidity in September is 48%.

How many days does it rain in September in San Luis?

In September, in San Luis, the rain falls for 4 days. Throughout September, 19.2mm (0.8") of precipitation is accumulated.

What is the average length of the day in September in San Luis?

In September, the average length of the day is 11.9h.

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

In September, the average sunshine in San Luis, Argentina, is 8h.
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).