Tomohon Weather in September

With daytime temperatures of 30°C (86°F) and nighttime lows of 23°C (73°F), September in Tomohon brings very high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Tomohon in September

As part of the rainy season, Tomohon sees around 11 days of rain in September, with an average of 175 mm (6.9 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Tomohon in September

September in Tomohon brings very high temperatures, with highs of 30°C (86°F) and nights around 23°C (73°F). It's usually most comfortable outside during the morning and later in the day. Nights remain mild at 23°C (73°F), making evenings a pleasant time to be outdoors.

Sunshine in Tomohon in September

The month brings about 174 hours of sunlight, offering a comfortable mix of sun and rainy moments.

Average water temperature in September

At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July, August and September typically offer the best weather for Tomohon.

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

Tomohon Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 30°C (86°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 35%  

Precipitation 175 mm (6.9 in)  

Rainy days 11 days  

Humidity 75% *  

Sunshine 174 hours *  

Percentage Sunshine *  

* Data from: Menado, Indonesia (24 KM, 15 Miles).

What to Wear in Tomohon in September

Warm but pleasant conditions in Tomohon 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. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Tomohon in September

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

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 Tomohon's climate page.

More climate data for Tomohon

Temperature Rainfall Sunshine Humidity Water Temp

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