Serpong Weather in September

Thinking of visiting Serpong in September? Expect very high temperatures reaching 33°C (91°F) during the day, dropping to 23°C (73°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Serpong in September

Past climate data indicates that roughly 8 days will see rain, totalling around 90 mm (3.5 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Serpong in September

In September, expect very high temperatures in Serpong, with highs of 33°C (91°F) and lows of 23°C (73°F) at night. For most visitors, the main thing to prepare for is the heat during the day. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Serpong in September

The month enjoys around 288 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Serpong in September

September has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

Average water temperature in September

At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Serpong.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Indonesia, check out our Serpong's climate page.

Serpong Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 33°C (91°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 27%  

Precipitation 90 mm (3.5 in)  

Rainy days 8 days  

Humidity 71% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 288 hours *  

Percentage Sunshine *  

* Data from: Jakarta, Indonesia (23 KM, 14 Miles).

What to Wear in Serpong in September

Get ready for hot weather in September! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Serpong in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Indonesia, check out our Serpong's climate page.

More climate data for Serpong

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Serpong climate overview or explore weather in Indonesia.