ClimateForecastSeptemberOctober >>

Surabaya weather in September (East Java, Indonesia)

Is September a good time to explore Surabaya weather-wise? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

Typically, September in Surabaya includes very high temperatures and low rainfall. Daytime temperatures generally peak at 34°C, but after sunset, they often decrease to around 25°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 a longer period.

Precipitation

Surabaya in September usually receives low rainfall, averaging around 22 mm for the month. Historically, the month has about 1 day of rain.

Average sunshine

With around 229 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

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

 

Surabaya, monthly averages in September

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 34°C  
Chance of RainChance of Rain 4%  
PrecipitationPrecipitation 22 mm  
Rainy daysRainy days 1 day  
HumidityHumidity 54%  
SunshineSunshine 229 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Indonesia in September

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

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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 this month?

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.

What To Do

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

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Interested in more climate information?

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

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 travel conditions. Find out where to go with our weather planner.