September in Tacuarembo is the rainiest and the windiest month of the year. In September, the weather in Tacuarembo is typically warm. Average daily high temperature in September is about 19 degrees above zero. On average, Tacuarembo has 15 sunny, 9 rainy, 5 partly cloudy, and 1 cloudy day in September. The rains are usually heavy. September as well as July is considered the most uncomfortable time to visit Tacuarembo.