Dumai weather in September (Sumatra, Indonesia)
Curious about the September weather in Dumai? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In September, Dumai generally has
very high temperatures
and heavy rainfall.
Anticipate daytime temperatures around 33°C,
while night temperatures can drop to 24°C.
Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.
Dumai in September falls under the rainy season with heavy rainfall, averaging around 266 mm for the month. Typically around 17 days of rainfall is expected.
If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Dumai. February and July typically offer the most agreeable circumstances. On the other hand, January, March, April, May, August, September, October, November and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Dumai climate page with graphs.
Dumai, monthly averages in September
Min Temperature
24°C
Max Temperature
33°C
Chance of Rain
57%
Precipitation
266 mm
Rainy days
17 days
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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Dumai 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.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Dumai.
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.
