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Climate · Mersing

Mersing in September

Warm and wet, as the days hold steady.

Typical weather, averaged over 30 years

September in Mersing is warm, around 81°F through the day and night. Rain falls on about five days a week, and daylight holds at about 12 hours 7 minutes.September in Mersing is warm, around 27°C through the day and night. Rain falls on about five days a week, and daylight holds at about 12 hours 7 minutes.

Typical
81°F27°Caverage
Wet days
5a week · 73% of days
Daylight
12h 07mon average

Is September a good time to visit Mersing?

A good month, just outside Mersing's best months, which run from January to March.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Around 81°F in September, against 79°F to 82°F through the year.Around 27°C in September, against 26°C to 28°C through the year.

Chance of a wet day

73% of days in September, against 53% to 95% through the year.

Cloud cover

74% cover in September, against 71% to 79% through the year.

Daylight

12h 07m in September, against 11h 58m to 12h 17m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August81°27°5 wet days a weekRain on about five days a week.
  2. September81°27°5 wet days a weekRain on about five days a week.
  3. October81°27°6 wet days a weekRain on about six days a week.

Where Mersing sits, in September

Asia/Kuala Lumpur
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
6:55 AMsets 7:03 PM
Above the sea
0 mlow-lying
Latitude
2.8°Nnorthern hemisphere
Nearest of ours
Bandar Penawar137 km south

The land around Mersing, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Malaysia in September

typical · wet days
See September on the planning mapThe whole year in Mersing

Typical weather, averaged over 30 years (1995–2024). Mersing sits on a grid square that is mostly sea, where the data hold only a daily average, so the page shows one typical temperature, not a high and a low. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.