Sandakan Weather in September
In Sandakan, September brings very high daytime temperatures around 34°C (93°F), with nights cooling to 24°C (75°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Sandakan in September
As part of the rainy season, Sandakan sees around 18 days of rain in September, with an average of 262 mm (10 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Sandakan in September
September in Sandakan sees highs of 34°C (93°F) and lows of 24°C (75°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Sandakan in September
You can expect a moderate amount of sunlight, with approximately 162 hours. Even though this month is part of the wet season, you can still see the sun occasionally.
Wind Speed in Sandakan 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.For additional travel inspiration, our weather planner can help you discover destinations worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Malaysia, check out our Sandakan's climate page.
Sandakan Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
34°C (93°F)
Chance of Rain
61%
Precipitation
262 mm (10 in)
Rainy days
18 days
Humidity
79%
Windspeed
1 m/s (2 knots)
Sunshine
162 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sandakan typically stay consistent throughout September, with daily highs averaging around 34°C (93°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
50-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 Sandakan in September
Browse day-by-day weather records for Sandakan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sandakan historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Sandakan.
- The hottest September day on record in Sandakan reached 36°C (97°F) (September 4, 2015).
- The lowest daytime temperature in September was 24°C (75°F), recorded on September 14, 1983.
- The lowest overnight temperature recorded in September was 19°C (66°F) (September 18, 2020).
Best Places in Malaysia in September
Find out more about the weather in Malaysia and which places have the best travel conditions in this month. See all of Malaysia in September →
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What to Wear in Sandakan in September
Pack for serious heat in Sandakan in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Sandakan 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 Malaysia, check out our Sandakan's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Sandakan climate overview or explore weather in Malaysia.
