Gili Trawangan Weather in September
Thinking of visiting Gili Trawangan in September? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 25°C (77°F) at night, with some rainfall likely.
Rainfall in Gili Trawangan in September
Historically, September sees about 2 days of rain, with a monthly average of 20 mm (0.8 in). If rain does fall, it tends to arrive as a fairly heavy shower rather than light drizzle.
Temperature in Gili Trawangan in September
The perfect temperature in Gili Trawangan in September makes it a solid month to visit, with 29°C (84°F) during the day and 25°C (77°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Gili Trawangan in September
The city usually sees around 246 hours of sunlight, indicating many sunny days — a great month for sightseeing.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July, August and September typically offer the best weather for Gili Trawangan.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Indonesia, check out our Gili Trawangan's climate page.
Gili Trawangan Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
6%
Precipitation
20 mm (0.8 in)
Rainy days
2 days
Sunshine
246 hours *
Percentage Sunshine
*
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Gili Trawangan typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
45-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Gili Trawangan in September
Browse day-by-day weather records for Gili Trawangan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gili Trawangan historical weather extremes in September
Based on 24 years of weather observations in Gili Trawangan between 2001 and 2025, these are the recorded extremes.
- On September 8, 2011, temperatures climbed to 39°C (102°F), marking the warmest September day on record.
- Gili Trawangan experienced its chilliest September day on September 23, 2003, reaching only 25°C (77°F).
- The coldest night in September in Gili Trawangan was on September 30, 2019, with a minimum of 17°C (63°F).
Best Places in Indonesia in September
Find out more about the weather in Indonesia and which places have the best travel conditions in this month. See all of Indonesia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Gili Trawangan in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Gili Trawangan in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Indonesia, check out our Gili Trawangan's climate page.
See the full Gili Trawangan climate overview or explore weather in Indonesia.
