Semporna weather in September
September in Semporna: hot, soaked, with clean air — fine if you can take 24 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#6 of 12 months in Semporna · #808 of 1413 destinations to visit in September · comfort 77/100 (tier B)
- Days
- 29°C
- Nights
- 25°C
- Wet days
- 24
- Sun
- 10.4 h
- Humidity
- 86%
- Daylight
- 12 h
Traveller notes on Semporna in September
No notes yet. Open Semporna on the map to add the first one.
Semporna climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Semporna in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyTerm-2 break in Malaysia, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Semporna's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSemporna's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Semporna in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Wet season
MonsoonRisk24 rainy days and about 219 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Where is Semporna?
Semporna in September — FAQ
- Is September a good time to visit Semporna?
- September in Semporna: hot, soaked, with clean air — fine if you can take 24 rainy days. It ranks #6 of 12 months for Semporna on SeasonMap's comfort score (77/100).
- What is the weather like in Semporna in September?
- In September, Semporna averages a daily high of 29.4°C and a low of 24.7°C, with about 218.5 mm of rain over roughly 24 rainy days.
- What is the air quality in Semporna in September?
- Semporna has a mean US Air Quality Index of about 44 in September.