Climate averages 1991–2020
Bima weather
in September.
A hot, very dry month: the 3rd 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 Bima: daytime highs average 32.3°C and nights cool to about 23.7°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 12 mm of rain on roughly 2 days, which makes September a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 03 min on an average September day.
The nearest other city in this atlas is Labuan Bajo (128 km away). In September its highs average 28.8°C, 3.5°C cooler than Bima, with 48 mm of rain.
Among the 200 cities listed in Indonesia, Bima ranks joint 22nd of 200 for the warmest September highs and joint 10th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Bima is 2.2°C warmer than that mean.
From September to October, average highs rise by 0.9°C to 33.2°C, and monthly rainfall rises from 12 mm to 39 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
Bima climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C24.9°C | 24.9°C | 399 | 28.7 | 12.613 h |
| February | 29.5°C24.8°C | 24.8°C | 361 | 26.4 | 12.412 h |
| March | 29.8°C24.9°C | 24.9°C | 314 | 26.0 | 12.212 h |
| April | 30.1°C24.9°C | 24.9°C | 174 | 19.0 | 11.912 h |
| May | 30.2°C24.5°C | 24.5°C | 58 | 8.5 | 11.712 h |
| June | 29.9°C23.9°C | 23.9°C | 29 | 5.7 | 11.612 h |
| July | 29.9°C23.1°C | 23.1°C | 19 | 3.0 | 11.712 h |
| August | 30.8°C22.9°C | 22.9°C | 4.0 | 1.3 | 11.812 h |
| September, selected | 32.3°C23.7°C | 23.7°C | 12 | 1.8 | 12.112 h |
| October | 33.2°C24.8°C | 24.8°C | 39 | 6.3 | 12.312 h |
| November | 32.5°C25.6°C | 25.6°C | 158 | 15.8 | 12.512 h |
| December | 30.2°C25.2°C | 25.2°C | 359 | 27.3 | 12.613 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
- Labuan Bajo in SeptemberIndonesia · 128 kmHigh 28.8°C · Low 24.0°C · 48 mm rain
- Selong in SeptemberIndonesia · 242 kmHigh 29.4°C · Low 21.7°C · 17 mm rain
- Mataram in SeptemberIndonesia · 287 kmHigh 30.9°C · Low 23.1°C · 15 mm rain
- Ende in SeptemberIndonesia · 326 kmHigh 32.3°C · Low 24.2°C · 24 mm rain
- Galesong in SeptemberIndonesia · 357 kmHigh 30.4°C · Low 24.0°C · 4.9 mm rain
- Klungkung in SeptemberIndonesia · 366 kmHigh 28.6°C · Low 22.8°C · 41 mm rain
- Makassar in SeptemberIndonesia · 376 kmHigh 30.2°C · Low 23.4°C · 64 mm rain
- Ubud in SeptemberIndonesia · 381 kmHigh 27.8°C · Low 21.5°C · 50 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 Bima) is explained once on the Bima year overview and on the Sources, method and limits page.