ClimateForecastSeptemberOctober >>

Biak weather in September (Papua, Indonesia)

What can you expect from the weather in Biak during September? Check out this comprehensive weather guide.

In September, Biak typically experiences high temperatures and heavy rainfall. Daytime temperatures hover around 29°C, while nights can cool down to about 26°C.

While these temperatures are typical, some days might be even hotter. Always be prepared for the unexpected spikes in warmth. Dressing in lightweight and breathable outfits will help you stay cool. Don't forget to stay hydrated and wear sun protection to handle the heat better.

Biak in September falls under the rainy season with heavy rainfall, averaging around 208 mm for the month. Based on our climate data of the past 30 years, about 18 days of rain are anticipated.

The area enjoys a balanced 120 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

So this is a great month to visit if you prefer dry days with pleasant temperatures. January, February, March, July, August, September and October typically offer the most optimal weather. In contrast, April, May, June, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Biak climate page with graphs.

 

Biak, monthly averages in September

Min TemperatureMin Temperature 26°C  
Max TemperatureMax Temperature 29°C  
Chance of RainChance of Rain 58%  
PrecipitationPrecipitation 208 mm  
Rainy daysRainy days 18 days  
SunshineSunshine 120 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Indonesia in September

Find out more about the weather in Indonesia in September and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Biak in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Biak.

Our site offers climate and forecast data for every country in the world. Are you going to Indonesia? On this website you can find 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 climate conditions. Find out where to go with our weather planner.