Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
September verdict
Good for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 6.4h per day, enough for a balanced month. Rainfall averages 229mm, so showers are a real planning factor.
Monthly averages
Temp
32°C
Rain
229mm
Sun
6.4h
Sea
30°C
Weather score
56
Good
Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 229mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Sandakan, Malaysia with nearby places by weather score, rain, sun, temperature, and swim conditions.
September32°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsApril to October
This stretch sets the upper range for average daytime heat.
September229mm average rain
September sits near Sandakan's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMarch to July and September to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September6.4 hours average sun
September sits close to Sandakan's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
September30°C average sea
September is one of Sandakan's warmest sea months, when swimming comfort is usually strongest.
Warmest seaMarch to December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
September56 weather score
September scores below Sandakan's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMarch to May
These months have the strongest weather score in the monthly averages.