September weather forecast
Samoa

September in Samoa serves as a transitional period, marking the end of the dry season and the beginning of the gradual return to the wetter months. Rainfall starts to increase during this time, with totals typically ranging from 150mm (5.91") to 200mm (7.87"). Meanwhile, temperatures remain consistently warm, generally between 24°C (75.2°F) and 26°C (78.8°F).

As is common throughout the year, the capital city of Apia often experiences slightly cooler temperatures due to coastal breezes. However, this slight variation does not significantly impact the overall climate in September, which remains warm and mildly humid.

In comparison to August, September sees an increase in rainfall, signaling the start of the transition back to the wet season. The risk of extreme weather events, such as tropical cyclones, remains relatively low during September. Nonetheless, visitors should stay informed about local weather forecasts, as conditions can change rapidly.

Looking ahead to October, rainfall continues to increase as Samoa transitions more fully into its wet season. However, temperatures remain relatively stable, providing a warm climate that is gradually becoming more humid.

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• Apia - September »
  The month with the least rainfall in Apia is September, when the rain falls for 18.7 days and typically collects 57mm (2.24") of precipitation. August and September, with an average sea temperature of 27.9°C (82.2°F), are months with the coldest seawater in Apia.
• Vaitele - September »
  The months with the coldest seawater in Vaitele are August and September, with an average sea temperature of 27.9°C (82.2°F). On the first day of September in Vaitele, sunrise is at 06:31 and sunset at 18:22.
• Vaiusu - September »
  August and September, with an average sea temperature of 27.9°C (82.2°F), are months with the coldest seawater in Vaiusu, Samoa. On the last day of September, in Vaiusu sunrise is at 06:10 and sunset at 18:23 +13.
• Leulumoega - September »
  The months with the coldest seawater in Leulumoega are August and September, with an average sea temperature of 27.9°C (82.2°F). August and September, with an average sea temperature of 27.9°C (82.2°F), are months with the coldest seawater in Leulumoega.
• Falefa - September »
  September in Falefa witnesses the lowest rainfall of the year, only recording 57mm (2.24"), which is a significant dip compared to the wetter months like June or July. The months with the highest humidity in Falefa are June through September, with an average relative humidity of 78%.
• Samatau - September »
  The month with the least rainfall in Samatau is September, when the rain falls for 18.7 days and typically collects 57mm (2.24") of precipitation. Samatau experiences its average lowest temperatures in September, reaching a peak of 27.3°C (81.1°F) and a minimum of 26.3°C (79.3°F).
• Satuiatua - September »
  The most humid month in Satuiatua is September, with an average relative humidity of 82%. The most humid month in Satuiatua is September, with an average relative humidity of 82%.
• Falealupo - September »
  September is the most humid month in Falealupo, with an average relative humidity of 82%. In Falealupo, the months of August and September are known for the lowest temperatures, reaching an average high of 26.3°C (79.3°F).
• Lalomanu - September »
  The months with the highest humidity in Lalomanu are June through September, with an average relative humidity of 78%. August and September, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Lalomanu.
• Salelologa - September »
  The months with the highest humidity in Salelologa are June through September, with an average relative humidity of 78%. Salelologa witnesses the coldest weather in September, with temperatures averaging a high of 27.3°C (81.1°F) and a low of 26.3°C (79.3°F).
• Fagamalo - September »
  Fagamalo's coldest months, August and September, record an average high-temperature of 26.3°C (79.3°F). August and September, when the average high-temperature in Fagamalo reaches 26.3°C (79.3°F), are the coldest months.
• Gataivai - September »
  On the last day of September, in Gataivai, sunrise is at 06:13 and sunset at 18:25 +13. In Gataivai, in September, the average water temperature is 28°C (82.4°F).