Climate averages 1991–2020
Dili weather
in September.
A hot, fairly dry month: the 2nd warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Dili: daytime highs average 32.0°C and nights cool to about 22.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 20 mm of rain on roughly 5 days, which makes September a fairly dry month (the 3rd 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 Atambua (96 km away). In September its highs average 31.0°C, 1.0°C cooler than Dili, with 9.1 mm of rain.
From September to October, average highs rise by 0.2°C to 32.1°C, and monthly rainfall rises from 20 mm to 74 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
Dili climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C24.7°C | 24.7°C | 215 | 25.4 | 12.613 h |
| February | 29.1°C24.5°C | 24.5°C | 211 | 25.0 | 12.412 h |
| March | 29.5°C24.3°C | 24.3°C | 227 | 26.2 | 12.212 h |
| April | 29.9°C23.9°C | 23.9°C | 204 | 22.4 | 11.912 h |
| May | 30.0°C23.5°C | 23.5°C | 74 | 12.2 | 11.712 h |
| June | 29.9°C22.6°C | 22.6°C | 25 | 4.3 | 11.612 h |
| July | 30.1°C21.7°C | 21.7°C | 13 | 2.6 | 11.712 h |
| August | 30.8°C21.4°C | 21.4°C | 6.7 | 1.5 | 11.812 h |
| September, selected | 32.0°C22.5°C | 22.5°C | 20 | 4.9 | 12.012 h |
| October | 32.1°C23.9°C | 23.9°C | 74 | 14.6 | 12.312 h |
| November | 31.2°C24.8°C | 24.8°C | 178 | 24.9 | 12.512 h |
| December | 29.8°C24.9°C | 24.9°C | 235 | 27.8 | 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
- Atambua in SeptemberIndonesia · 96 kmHigh 31.0°C · Low 20.7°C · 9.1 mm rain
- Kupang in SeptemberIndonesia · 281 kmHigh 31.9°C · Low 23.0°C · 4.2 mm rain
- Maumere in SeptemberIndonesia · 370 kmHigh 30.0°C · Low 24.7°C · 7.7 mm rain
- Ende in SeptemberIndonesia · 431 kmHigh 32.3°C · Low 24.2°C · 24 mm rain
- Baubau in SeptemberIndonesia · 475 kmHigh 30.2°C · Low 23.6°C · 24 mm rain
- Kendari in SeptemberIndonesia · 611 kmHigh 29.6°C · Low 23.4°C · 82 mm rain
- Ambon in SeptemberIndonesia · 613 kmHigh 26.8°C · Low 25.0°C · 71 mm rain
- Labuan Bajo in SeptemberIndonesia · 625 kmHigh 28.8°C · Low 24.0°C · 48 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 Dili) is explained once on the Dili year overview and on the Sources, method and limits page.