Serai Weather in September

In Serai, September brings very high daytime temperatures around 30°C (86°F), with nights cooling to 26°C (79°F). Expect quite a bit of rainfall this month.

Rainfall in Serai in September

Rain is expected on roughly 9 days, totalling around 68 mm (2.7 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Serai in September

In September, Serai gets very high temperatures, with highs of 30°C (86°F). Nights cool to around 26°C (79°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

Sunshine in Serai in September

The area enjoys a balanced 174 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Average water temperature in September

With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If your ideal day consists of dry skies and pleasant temperatures, March, August and September typically offer the best circumstances for Serai.

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

Serai Temperature in September

Min Temperature 26°C (79°F)  

Max Temperature 30°C (86°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 30%  

Precipitation 68 mm (2.7 in)  

Rainy days 9 days  

Humidity 75% *  

Sunshine 174 hours *  

Percentage Sunshine *  

* Data from: Menado, Indonesia (24 KM, 14 Miles).

What to Wear in Serai in September

Warm but pleasant conditions in Serai 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Serai in September

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

Swimming

7/10

Cycling

8/10

Walking

8/10

Camping

7/10

Outdoor sports

8/10

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 Serai's climate page.

More climate data for Serai

Temperature Rainfall Sunshine Humidity Water Temp

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