Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Trelew, Argentina

  • The average high temperature in September: 17.6°C

The warmest month (with the highest average high temperature) is January (28.5°C).
The month with the lowest average high temperature is June (12°C).

  • The average low temperature in September: 4.3°C

The month with the highest average low temperature is January (14.1°C).
The coldest month (with the lowest average low temperature) is July (1.2°C).

  • The average humidity in September: 50.8%

The month with the highest relative humidity is June (66.8%).
The month with the lowest relative humidity is January (38.2%).

  • The average rainfall in September: 11.4mm

The wettest month (with the highest rainfall) is May (19.5mm).
The driest month (with the lowest rainfall) is September (11.4mm).

  • The average rainfall days in September: 5 days

The month with the highest number of rainy days is June (7 days).
Months with the lowest number of rainy days are January, March, April and November (4 days).

  • The average sunshine in September: 6.5h

The month with most sunshine is January (Average sunshine: 10h).
The month with least sunshine is July (Average sunshine: 4.4h).