Climate averages 1991–2020
Manado weather
in September.
A hot, wet month: the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Manado: daytime highs average 31.0°C and nights cool to about 24.5°C. By daytime temperature it is the warmest month of the year.
Expect about 155 mm of rain on roughly 18 days, which makes September a wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average September day.
The nearest other city in this atlas is Bitung (31 km away). In September its highs average 29.4°C, 1.5°C cooler than Manado, with 66 mm of rain.
Among the 200 cities listed in Indonesia, Manado ranks joint 70th of 200 for the warmest September highs and joint 155th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Manado is 0.9°C warmer than that mean.
From September to October, average highs fall by 0.2°C to 30.7°C, and monthly rainfall rises from 155 mm to 228 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Manado climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C24.4°C | 24.4°C | 268 | 28.2 | 12.012 h |
| February | 28.8°C24.3°C | 24.3°C | 233 | 24.5 | 12.112 h |
| March | 29.2°C24.5°C | 24.5°C | 214 | 25.8 | 12.112 h |
| April | 29.8°C24.9°C | 24.9°C | 228 | 26.0 | 12.112 h |
| May | 30.3°C25.2°C | 25.2°C | 265 | 27.1 | 12.212 h |
| June | 30.0°C24.8°C | 24.8°C | 283 | 24.4 | 12.212 h |
| July | 29.9°C24.5°C | 24.5°C | 211 | 20.2 | 12.212 h |
| August | 30.5°C24.4°C | 24.4°C | 141 | 15.2 | 12.212 h |
| September, selected | 31.0°C24.5°C | 24.5°C | 155 | 18.0 | 12.112 h |
| October | 30.7°C24.8°C | 24.8°C | 228 | 23.4 | 12.112 h |
| November | 29.8°C24.9°C | 24.9°C | 250 | 28.3 | 12.112 h |
| December | 29.1°C24.7°C | 24.7°C | 281 | 29.6 | 12.012 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Bitung in SeptemberIndonesia · 31 kmHigh 29.4°C · Low 25.1°C · 66 mm rain
- Kotamobagu in SeptemberIndonesia · 102 kmHigh 28.8°C · Low 22.0°C · 181 mm rain
- Gorontalo in SeptemberIndonesia · 225 kmHigh 30.3°C · Low 23.8°C · 104 mm rain
- Ternate in SeptemberIndonesia · 292 kmHigh 27.5°C · Low 25.4°C · 180 mm rain
- Toli-Toli in SeptemberIndonesia · 451 kmHigh 27.3°C · Low 20.8°C · 171 mm rain
- Tupi in SeptemberPhilippines · 540 kmHigh 28.9°C · Low 22.1°C · 187 mm rain
- Surallah in SeptemberPhilippines · 544 kmHigh 29.1°C · Low 22.5°C · 168 mm rain
- Banga in SeptemberPhilippines · 550 kmHigh 29.0°C · Low 22.3°C · 168 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Manado) is explained once on the Manado year overview and on the Sources, method and limits page.