September weather forecast and climate
Rosario de la Frontera, Argentina AR

• Average high temperature in September: 24°C

The warmest month (with the highest average high temperature) is December (29.5°C).
The month with the lowest average high temperature is June (18.9°C).

• Average low temperature in September: 8.3°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 (4.4°C).

• Average humidity in September: 58%

The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is September (58%).

• Average rainfall in September: 7.8mm

The wettest month (with the highest rainfall) is January (205mm).
The driest month (with the lowest rainfall) is July (4.7mm).

• Average daylight in September: 12h

The month with the longest days is December (Average daylight: 13.7h).
The month with shortest days is June (Average daylight: 10.5h).

• Average sunshine in September: 6.5h

Months with most sunshine are October and December (Average sunshine: 6.8h).
The month with least sunshine is April (Average sunshine: 4.6h).