The weather in Sanma in September is very hot. The average temperatures are between 23°C and 27°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Sanma during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Sanma in September 2025.
If you’re planning to visit Sanma in the near future, we highly recommend that you review the 14 day weather forecast for Sanma before you arrive.