Climate averages 1991–2020
Kotamobagu weather
in September.
A hot, very wet month: the joint 7th 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 Kotamobagu: daytime highs average 28.8°C and nights cool to about 22.0°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 181 mm of rain on roughly 18 days, which makes September a very 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 Manado (102 km away). In September its highs average 31.0°C, 2.1°C warmer than Kotamobagu, with 155 mm of rain.
Among the 200 cities listed in Indonesia, Kotamobagu ranks joint 149th of 200 for the warmest September highs and 167th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Kotamobagu is 1.3°C cooler than that mean.
From September to October, average highs rise by 0.7°C to 29.5°C, and monthly rainfall rises from 181 mm to 244 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
Kotamobagu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C22.9°C | 22.9°C | 293 | 27.5 | 12.112 h |
| February | 28.9°C22.8°C | 22.8°C | 289 | 24.1 | 12.112 h |
| March | 29.3°C22.9°C | 22.9°C | 329 | 26.1 | 12.112 h |
| April | 29.2°C23.1°C | 23.1°C | 360 | 26.8 | 12.112 h |
| May | 28.8°C23.2°C | 23.2°C | 345 | 29.2 | 12.212 h |
| June | 28.0°C22.8°C | 22.8°C | 328 | 27.1 | 12.212 h |
| July | 27.5°C22.2°C | 22.2°C | 252 | 24.1 | 12.212 h |
| August | 27.9°C22.0°C | 22.0°C | 167 | 18.9 | 12.112 h |
| September, selected | 28.8°C22.0°C | 22.0°C | 181 | 18.2 | 12.112 h |
| October | 29.5°C22.6°C | 22.6°C | 244 | 22.7 | 12.112 h |
| November | 29.3°C23.0°C | 23.0°C | 340 | 28.0 | 12.112 h |
| December | 29.0°C23.2°C | 23.2°C | 332 | 28.7 | 12.112 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
- Manado in SeptemberIndonesia · 102 kmHigh 31.0°C · Low 24.5°C · 155 mm rain
- Bitung in SeptemberIndonesia · 119 kmHigh 29.4°C · Low 25.1°C · 66 mm rain
- Gorontalo in SeptemberIndonesia · 141 kmHigh 30.3°C · Low 23.8°C · 104 mm rain
- Ternate in SeptemberIndonesia · 342 kmHigh 27.5°C · Low 25.4°C · 180 mm rain
- Toli-Toli in SeptemberIndonesia · 390 kmHigh 27.3°C · Low 20.8°C · 171 mm rain
- Kendari in SeptemberIndonesia · 562 kmHigh 29.6°C · Low 23.4°C · 82 mm rain
- Palopo in SeptemberIndonesia · 618 kmHigh 28.6°C · Low 22.0°C · 62 mm rain
- Tupi in SeptemberPhilippines · 626 kmHigh 28.9°C · Low 22.1°C · 187 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 Kotamobagu) is explained once on the Kotamobagu year overview and on the Sources, method and limits page.