Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 4.7h per day, so this is not one of the brighter months. Rainfall averages 254mm, so showers are a real planning factor.
Monthly averages
Temp
30°C
Rain
254mm
Sun
4.7h
Sea
30°C
Weather score
57
Good
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 254mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.7h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Gunung Leuser National Park, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
September30°C average high
September is close to Gunung Leuser National Park's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
September254mm average rain
September sits near Gunung Leuser National Park's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary and June to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September4.7 hours average sun
September is one of Gunung Leuser National Park's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsFebruary to July
This stretch has the strongest sunshine in the monthly averages.
September30°C average sea
September is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
September57 weather score
September scores below Gunung Leuser National Park's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to August
These months have the strongest weather score in the monthly averages.