SeasonMapManado weather in September
Indonesia
September in Manado: hot, soaked, with clean air — a gamble, with 19 rainy days.
#4 of 12 months in Manado · #1183 of 1383 destinations to visit in September · comfort 57/100 (tier D)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Manado in September
No notes yet. Open Manado on the map to add the first one.
Manado climate normals — September
| Daytime high | 31°C / 87°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Sea temperature | 30°C / 86°F | ♨️ bath-warm |
| Rainfall | 258 mm / 10.1 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 10 h/day | |
| Daylight | 12.1 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Manado in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Manado's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherManado's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Manado in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Lokon and Soputan alerts
1 Jan – 31 DecVolcanic activityClosuresTwo of Indonesia's busier volcanoes sit within an hour of the city and the agency raises their status several times a decade, closing the Tomohon crater walks and occasionally dusting the airport. Source ↗
- Season
Calmest months for Bunaken
1 May – 30 Sep · usuallyDive seasonThe drier stretch either side of midyear is when the crossing out to Bunaken is flattest and the wall dives are at their clearest. Boats go year-round; these are the weeks they go easily.
Where is Manado?
Manado in September — FAQ
- Is September a good time to visit Manado?
- September in Manado: hot, soaked, with clean air — a gamble, with 19 rainy days. It ranks #4 of 12 months for Manado on SeasonMap's comfort score (57/100).
- What is the weather like in Manado in September?
- In September, Manado averages a daily high of 30.7°C and a low of 24.7°C, with about 257.8 mm of rain over roughly 19 rainy days.
- What is the air quality in Manado in September?
- Manado has a mean US Air Quality Index of about 35 in September.