Climate · Flamands

Flamands in September

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

September in Flamands is warm, around 81°F through the day and night. Rain falls on about five days a week, and the days shorten by 22 minutes from the first week to the last.September in Flamands is warm, around 27°C through the day and night. Rain falls on about five days a week, and the days shorten by 22 minutes from the first week to the last.

Typical
81°F27°Caverage
Wet days
5a week · 71% of days
Daylight
12h 12mon average

Is September a good time to visit Flamands?


A good month, just outside Flamands's best months, which run from February to May.

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 77°F to 81°F through the year.Around 27°C in September, against 25°C to 27°C through the year.

Chance of a wet day

71% of days in September, against 35% to 71% through the year.

Cloud cover

66% cover in September, against 26% to 66% through the year.

Daylight

12h 12m in September, against 11h 04m to 13h 11m 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°5 wet days a weekRain on about five days a week.

Where Flamands sits, in September

America/St Barthelemy

this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
5:59 AMsets 6:15 PM
Above the sea
5 mlow-lying
Latitude
17.9°Nnorthern hemisphere
Nearest of ours
our one place here

The land around Flamands, 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. Flamands is our one place in Saint Barthélemy so far. Clock times are local, for the 15th.

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