Sunny & Hot cities in South-eastern Asia in September
Beach heat, desert cities, escaping winter.
7 cities in South-eastern Asia match our Sunny & Hot profile in September: average temperature ≥ 25°C / 77°F, monthly rainfall ≤ 40 mm / 1.6 in. Top picks include Surabaya (Indonesia, 28.3°C / 82.9°F), Sumenep (Indonesia, 28°C / 82.4°F), and Tuban (Indonesia, 27.9°C / 82.2°F). Unlike the country-level averages, these are point values sampled at each city itself — usually more useful for planning where you'll actually spend your time. Click a city for its full year-round climate and best months to visit.
| City | Temperature | Rainfall |
|---|---|---|
| Surabayacity · East Java, Indonesia | 28.3°C82.9°F | 29 mm1.1″ |
| Sumenepcity · East Java, Indonesia | 28°C82.4°F | 17 mm0.7″ |
| Tubancity · East Java, Indonesia | 27.9°C82.2°F | 28 mm1.1″ |
| Pasuruancity · East Java, Indonesia | 27°C80.6°F | 8 mm0.3″ |
| Kupangcity · East Nusa Tenggara, Indonesia | 26.5°C79.7°F | 3 mm0.1″ |
| Mataramcity · West Nusa Tenggara, Indonesia | 26.2°C79.2°F | 40 mm1.6″ |
| Dilicity · Dili, Timor-Leste | 25.9°C78.6°F | 15 mm0.6″ |