Climate · Raja Ampat

Raja Ampat in September

Warm and wet, as the days hold steady.

Typical weather, averaged over 30 years

September in Raja Ampat is warm, around 80°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 Raja Ampat 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
80°F27°Caverage
Wet days
5a week · 70% of days
Daylight
12h 07mon average

Is September a good time to visit Raja Ampat?


Yes. September is one of Raja Ampat's best months (June to September).

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 80°F in September, against 80°F to 81°F through the year.Around 27°C in September, against 27°C to 27°C through the year.

Chance of a wet day

70% of days in September, against 67% to 86% through the year.

Cloud cover

75% cover in September, against 74% to 79% through the year.

Daylight

12h 07m in September, against 12h 05m to 12h 09m 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. August80°27°5 wet days a weekRain on about five days a week.
  2. September80°27°5 wet days a weekRain on about five days a week.
  3. October81°27°5 wet days a weekRain on about five days a week.

Where Raja Ampat sits, in September

Asia/Jayapura

this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
6:09 AMsets 6:16 PM
Above the sea
0 mlow-lying
Latitude
0.6°Ssouthern hemisphere
Nearest of ours
Rote Ndao1443 km south-west

The land around Raja Ampat, 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 Indonesia in September

typical · wet days

Typical weather, averaged over 30 years (1995–2024). Raja Ampat 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.