Manado Weather in September
September in Manado brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 24°C (75°F). Rainfall is on the higher side this month, averaging around 169 mm (6.7 in), so keep a rain jacket handy.
Rainfall in Manado in September
This month experiences about 10 days of rain according to historical data, averaging 169 mm (6.7 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Manado in September
Temperatures in Manado in September top out at 31°C (88°F) and drop to 24°C (75°F) overnight. For most visitors, the main thing to prepare for is the heat during the day. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Manado in September
With about 174 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.
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 you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Indonesia, check out our Manado's climate page.
Manado Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F) *
Chance of Rain
32%
Precipitation
169 mm (6.7 in)
Rainy days
10 days
Humidity
75% *
Sunshine
174 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Manado typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Manado in September
Browse day-by-day weather records for Manado spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Manado historical weather extremes in September
Based on 21 years of weather observations in Manado between 2004 and 2025, these are the recorded extremes.
- The hottest September day on record in Manado reached 37°C (99°F) (September 4, 2019).
- On September 18, 2008, Manado saw its coldest September day with temperatures maxing out at 27°C (81°F).
- The coldest night in September in Manado was on September 10, 2019, with a minimum of 16°C (61°F).
- Peak precipitation in September occurred on September 25, 2020, when 91 mm (3.6 in) of precipitation was measured.
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 →
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What to Wear in Manado in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Manado in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Indonesia, check out our Manado's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Manado climate overview or explore weather in Indonesia.
