September is one of the hottest months of the year. The tropical climate ensures that also rain falls in September. The ever-present and cooling trade winds on the archipelago ensure that it can be pleasant in Cape Verde despite the high temperature. The Cape Verde archipelago consists of nine inhabited islands, namely Sal, Boa Vista, São Nicolau, São Vicente, Santo Antão, Santiago, Maio, Fogo and Brava. In short, September is a real tropical month in Cape Verde with high temperatures and some heavy rain showers.

What kind of weather can you expect in Cape Verde in September? Below you will find the averages of the most important meteorological variables for you. These are the average daytime maximum, the sea temperature and the days of rain, as the climate table gives them. The weather data for the month of September is based on historical weather data and does not provide an actual weather forecast for Cape Verde.

In short

  • Temperatures 30.1°C
  • Warmest month of the year
  • Highest chance of rain, but showers are short
  • Sea temperature 27°C
  • Mix of sunshine and clouds

Temperature in September

September is the warmest month of the year, with an average daytime maximum of 30.1 degrees Celsius.

Maximum temperature in September - Cape Verde

Maximum temperature — day by day within the month

Rain in September

With 3 days of rain, September is the wettest month of the year according to the climate table. The showers are short and local; they seldom cover the whole archipelago at once.

Rain in September - Cape Verde

Rainfall — day by day within the month

Wind in September

September brings a moderate wind. Towards the end of the month it picks up slightly, as the last rain clouds clear. The climate table carries no wind values.

The weather in Cape Verde in other months

Data accounting

Every figure on this page comes from the climate table on Cape Verde climate and weather: measuring station Sal, Amílcar Cabral airport (Espargos), reference period the 1991–2020 climate normal. A day of rain is a day with at least 1 millimetre of rainfall. Those values hold for Sal and for the flat eastern islands. The other islands have no measuring series of their own, so we give no figures island by island. On the mountainous islands such as Santo Antão and Fogo it is cooler and wetter at altitude.

The graph above shows something different from the table: how the month runs day by day, taken from the historical daily reports of weather station 85940 over 2012 to 2018. That series is not a climate normal and is not the source of any figure in the text; it is there to show whether a month runs flat or erratic.