Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Mendoza, Argentina

  • The average high temperature in September: 21.2°C

The warmest month (with the highest average high temperature) is January (32.2°C).
The month with the lowest average high temperature is July (15.3°C).

  • The average low temperature in September: 6.4°C

The month with the highest average low temperature is January (18.1°C).
The coldest month (with the lowest average low temperature) is July (1.7°C).

  • The average humidity in September: 50%

Months with the highest relative humidity are April and May (67%).
The month with the lowest relative humidity is November (45%).

  • The average rainfall in September: 7.8mm

The wettest month (with the highest rainfall) is January (36.4mm).
The driest month (with the lowest rainfall) is August (3.3mm).

  • The average rainfall days in September: 3 days

Months with the highest number of rainy days are January, February and March (5 days).
Months with the lowest number of rainy days are May, June, July and August (2 days).

  • The average daylight in September: 12h

Months with the longest days are January, November and December (Average daylight: 14h).
Months with shortest days are May, June and July (Average daylight: 10h).

  • The average sunshine in September: 7.5h

The month with most sunshine is November (Average sunshine: 9.8h).
The month with least sunshine is June (Average sunshine: 5.6h).

  • The average UV index in September: 6

Months with the highest UV index are January, February and December (UV index 12).
Months with the lowest UV index are June and July (UV index 3).