Dili weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: May – October
What is the weather like in Dili in September?
In September, Dili is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. It hardly ever rains. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Dili.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 72 | 67 | 61 |
| Day | 31° | 32° | 32° |
| Night | 22° | 23° | 24° |
| Sea | 27° | 28° | 29° |
| Sun | 8 h | 9 h | 9 h |
| Rain days | 0 | 2 | 7 |
More details for September
- Daylight
- 12 h 3 min06:32 – 18:34
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 19 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 39 %on averageAll months
- Hot days
- 29 days30 °C or moreAll months
- Time zone
- UTC+9Asia/Dili
How the score comes together
- Temperatureweight 50 %36 %
- Sunshineweight 20 %97 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Dili in September: quick answers
Is Dili hot in September?
Yes. In September, Dili is hot: daytime highs average 32 °C and nights stay around 23 °C. On about 29 days the thermometer climbs to 30 °C or more.
Can you swim in Dili in September?
Yes. In September the sea averages 27.7 °C – lovely and warm for swimming.
Does it rain much in Dili in September?
It hardly ever rains.
Dili month by month
The whole year in DiliAll destinations: Timor-LesteWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences