Biak weather in September 2024

Expect 86°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Biak in September. Check more long-term weather averages for Biak in September before you book your next holiday to Indonesia in 2024/2025.

86
86°F max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
72
72°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
8.3
8.3 inches of monthly rainfall
11
11+ (Extreme) UV index
84
84°F sea temperature

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The September weather guide for Indonesia (Biak) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about Indonesia

How hot is it in Biak in September?

Daytime temperatures usually reach 86°F in Biak in September with high heat and humidity, falling to 72°F at night.

How sunny is it in Biak in September?

There are normally 6 hours of bright sunshine each day in Biak in September - that's 47% of daylight hours.

How warm is the sea around Biak in September?

The average sea temperature around Biak in September is 84°F.

Does it rain in Biak in September?

There are usually 17 days with some rain in Biak in September and the average monthly rainfall is 8.3 inches.

Biak September sunrise & sunset times

Browse the sunrise and sunset times for Biak in September 2024. Select a month to view Biak sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Sunday, 1st September 2024	05:53	17:58
Sunday, 15th September 2024	05:48	17:54
Monday, 30th September 2024	05:42	17:49

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Indonesia - quick facts
Flight time^✝	16 to 22 hours
Time difference	UK +7 to +9 hours
Language(s)	Indonesian
Currency	Indonesian Rupiah
Electricity	C + F plug (230V)
Driving side	Left
Why visit?	Beaches Culture Nature
Tourist info	Indonesia Ministry of Tourism