10 Hidden gems in Asia you need to visit
Explore 10 hidden gems in Asia offering authentic experiences, from pristine beaches and remote islands to cultural treks and peaceful mountain villages.
Dumai Weather in September
September in Dumai typically sees daytime highs of 33°C (91°F) and nighttime lows of 24°C (75°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Dumai in September
Dumai is in the rainy season in September, with rain on around 17 days and an average of 266 mm (10 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Dumai in September
Dumai in September gets highs of 33°C (91°F) during the day and drops to 24°C (75°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.For additional travel inspiration, our weather planner can help you discover destinations worldwide.
Dumai Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
33°C (91°F)
Chance of Rain
57%
Precipitation
266 mm (10 in)
Rainy days
17 days
Dumai Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dumai - and find the best time to visit.
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 Dumai in September
Warm but pleasant conditions in Dumai 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. It's going to pour! Pack a good poncho and prepare for very wet conditions.
What To Do in Dumai in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Dumai 3-Day Forecast
More climate data for Dumai
See the full Dumai climate overview or explore weather in Indonesia.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
10 Hidden gems in Asia you need to visit
The ultimate guide to Ubud – everything you need to know to escape the crowds
There is a way to experience Ubud in a fantastic less crowded way and this article will be your guide how to do that. Find the best places to stay, where to eat and much more.
Top 5 hidden gem islands in Indonesia
Discover Indonesia's secret islands: pristine beaches, rich history, and vibrant culture await beyond Bali and Java. Dive into untouched paradise.
Indonesia in July: Bali, Java or Lombok?
Compare July weather in Bali, Lombok, the Gili Islands, Yogyakarta and Jakarta to find Indonesia's driest, sunniest and best beach conditions.