Gili Trawangan

West Nusa Tenggara Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in West Nusa Tenggara, Indonesia in September.

Planning a getaway to West Nusa Tenggara, Indonesia this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in West Nusa Tenggara in September

West Nusa Tenggara, Indonesia is a region in Indonesia. September in West Nusa Tenggara generally has temperatures that range from warm to very warm, with precipitation levels ranging from low to moderate.

Temperatures

During the day the temperature is warm in Pelangan at 29°C (84°F) and very warm in Sumbawa Besar at 32°C (90°F). As night falls, temperatures generally drop to 22°C (72°F) in Sumbawa Besar and 24°C (75°F) in Pelangan. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

To learn more about the conditions in specific areas of West Nusa Tenggara, Indonesia, check out the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Sumbawa Besar with an average of 8.9 mm (0.4 in) to moderate rainfall in Praya with 33 mm (1.3 in).

Average sunshine

Most destinations offer generous amounts of sunshine this September. For example, Gili Trawangan gets approximately 246 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore West Nusa Tenggara by month

Pick a month to see the average temperature, rainfall and sunshine in West Nusa Tenggara — and find the best time to visit. (based on Gili Trawangan)

Best Places to Visit in West Nusa Tenggara in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across West Nusa Tenggara.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in West Nusa Tenggara

What is the weather like in September for some of the most popular destinations in West Nusa Tenggara, Indonesia?

Temperature range in West Nusa Tenggara (September)

Precipitation variation in West Nusa Tenggara (September)

Gili Trawangan

In September Gili Trawangan generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and low monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
24°C (75°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
257 hours
246 hours
250 hours
Monthly rainfall
14 mm (0.6 in)
20 mm (0.8 in)
49 mm (1.9 in)
Monthly rainy days
2 days
2 days
4 days
Weather conditions

Gili Air

In September Gili Air generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
29°C (84°F)
30°C (86°F)
30°C (86°F)
Min temperature
24°C (75°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
257 hours
246 hours
250 hours
Monthly rainfall
15 mm (0.6 in)
22 mm (0.9 in)
56 mm (2.2 in)
Monthly rainy days
2 days
2 days
4 days
Weather conditions

Senggigi

In September Senggigi generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°F)
Min temperature
23°C (73°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
257 hours
246 hours
250 hours
Monthly rainfall
8.8 mm (0.3 in)
22 mm (0.9 in)
61 mm (2.4 in)
Monthly rainy days
a single day
a single day
3 days
Weather conditions

Kuta Lombok

In September Kuta Lombok generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
29°C (84°F)
30°C (86°F)
31°C (88°F)
Min temperature
23°C (73°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
257 hours
246 hours
250 hours
Monthly rainfall
17 mm (0.7 in)
30 mm (1.2 in)
63 mm (2.5 in)
Monthly rainy days
a single day
a single day
3 days
Weather conditions

Gili Meno

In September Gili Meno generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
29°C (84°F)
30°C (86°F)
30°C (86°F)
Min temperature
24°C (75°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
257 hours
246 hours
250 hours
Monthly rainfall
14 mm (0.6 in)
21 mm (0.8 in)
52 mm (2 in)
Monthly rainy days
2 days
2 days
4 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in West Nusa Tenggara, in Indonesia.

In our records: Indonesia September extremes

Notable September records observed across cities in Indonesia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest September daytime high in Indonesia was 18°C (64°F) in Bandung on September 23, 2003.

Popular cities in September

Day & night temperatures, rainfall and average weather in West Nusa Tenggara in September.

City Weather Day temp Night temp Rainfall
Gili Trawangan 29°C (84°F) 25°C (77°F) 20 mm (0.8 in)
Gili Air 30°C (86°F) 24°C (75°F) 22 mm (0.9 in)
Senggigi 31°C (88°F) 24°C (75°F) 22 mm (0.9 in)
Kuta Lombok 30°C (86°F) 24°C (75°F) 30 mm (1.2 in)
Gili Meno 30°C (86°F) 24°C (75°F) 21 mm (0.8 in)
Mataram 31°C (88°F) 23°C (73°F) 26 mm (1 in)

West Nusa Tenggara weather in September: frequently asked questions

What is the weather like in West Nusa Tenggara, Indonesia in September?

Expect perfect weather across West Nusa Tenggara, Indonesia in September. The popular destination of Gili Trawangan averages 29°C (84°F) by day and 25°C (77°F) at night during this month.

What is the average temperature in West Nusa Tenggara, Indonesia in September?

Gili Trawangan averages a daytime maximum of 29°C (84°F) in September, with overnight lows close to 25°C (77°F).

Does West Nusa Tenggara, Indonesia get a lot of rain in September?

Not particularly. Gili Trawangan averages just 20 mm (0.8 in) of rain in September, making it a mostly dry month for West Nusa Tenggara, Indonesia.

Is September a Good Time to Visit West Nusa Tenggara, Indonesia?

We believe that September is one of the best times to visit West Nusa Tenggara, Indonesia with overall perfect weather in Gili Trawangan.

Generally speaking, the best visiting conditions can be found in July, August and September offering mostly perfect weather in Gili Trawangan. The weather in January, February and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in West Nusa Tenggara.

Weather and climate has detailed information for every country in the world. Are you going to Indonesia? Get detailed historical weather averages for many cities in Indonesia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.