San Juan
Argentina
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
San Juan, Argentina

The first month of the spring, September, is a pleasant month in San Juan, Argentina, with average temperature varying between 6.3°C (43.3°F) and 22.5°C (72.5°F).

Temperature

In San Juan, Argentina, the average high-temperature in September is relatively the same as in August - a pleasant 22.5°C (72.5°F). In September, in San Juan, Argentina, the average low-temperature is 6.3°C (43.3°F).

Humidity

The average relative humidity is 49%.

Rainfall

In San Juan, during September, the rain falls for 3 days and regularly aggregates up to 7mm (0.3") of precipitation. Throughout the year, there are 25.6 rainfall days, and 92.3mm (3.6") of precipitation is accumulated.

Daylight

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

Sunshine

In September, the average sunshine is 8.8h.

What is the temperature in September in San Juan?

In San Juan, in September, the average high-temperature is 22.5°C (72.5°F), and the average low-temperature is 6.3°C (43.3°F).

What is the average humidity in September in San Juan?

The average relative humidity in September is 49%.

How much does it rain in San Juan in September?

In San Juan, during September, the rain falls for 3 days and regularly aggregates up to 7mm (0.3") of precipitation.

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

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

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

In September, the average sunshine is 8.8h.
Average temperature in September - San Juan, Argentina
  • Average high temperature in September: 22.5°C

The warmest month (with the highest average high temperature) is January (34.6°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in September: 6.3°C

The month with the highest average low temperature is January (19.4°C).
Coldest months (with the lowest average low temperature) are June and July (1.1°C).

Average humidity in September - San Juan, Argentina
  • Average humidity in September: 49%

The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (41%).

Average rainfall in September - San Juan, Argentina
  • Average rainfall in September: 7mm

The wettest month (with the highest rainfall) is February (18.4mm).
The driest month (with the lowest rainfall) is June (1.3mm).

Average rainfall days in September - San Juan, Argentina
  • Average rainfall days in September: 3 days

Months with the highest number of rainy days are January and February (4 days).
The month with the lowest number of rainy days is June (0.6 days).

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

The month with the longest days is December (Average daylight: 14.2h).
The month with shortest days is June (Average daylight: 10.1h).

  • Average sunshine in September: 8.8h

The month with most sunshine is December (Average sunshine: 11.3h).
The month with least sunshine is June (Average sunshine: 6.9h).