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Pulau Merah Weather in September
Thinking of visiting Pulau Merah in September? Expect very high temperatures reaching 31°C (88°F) during the day, dropping to 25°C (77°F) at night, with minimal rainfall.
Rainfall in Pulau Merah in September
Expect around 0 days of rain based on historical data, with 3.8 mm (0.1 in) average. Any rain that does arrive is likely to be fairly light and short-lived.
Temperature in Pulau Merah in September
September tends to be one of the excellent months in Pulau Merah, with 31°C (88°F) in the afternoon and 25°C (77°F) overnight. For most visitors, the main thing to prepare for is the heat during the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Pulau Merah in September
The days are predominantly sunny, with an estimated total of around 306 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Pulau Merah.
Pulau Merah Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
1%
Precipitation
3.8 mm (0.1 in)
Rainy days
0 days
Humidity
64% *
Sunshine
306 hours *
Percentage Sunshine
*
* Data from: Kupang, East Timor (39 KM, 24 Miles).
Pulau Merah Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pulau Merah - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Pulau Merah typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Pulau Merah in September
Browse day-by-day weather records for Pulau Merah spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Pulau Merah historical weather extremes in September
Our historical data for Pulau Merah spans 1994 to 2026, revealing these weather extremes.
- The hottest September day on record in Pulau Merah reached 36°C (97°F) (September 15, 2024).
- On September 23, 2003, Pulau Merah saw its coldest September day with temperatures maxing out at 22°C (72°F).
- Nighttime temperatures dropped to 13°C (55°F) on September 10, 2011, marking the coldest September night on record.
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
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).
What to Wear in Pulau Merah in September
Warm but pleasant conditions in Pulau Merah in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Pulau Merah in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Pulau Merah 3-Day Forecast
More climate data for Pulau Merah
Temperature Rainfall Sunshine Humidity
See the full Pulau Merah climate overview or explore weather in Indonesia.
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