St Barthelemy weather in September 2020

  • 31°C maximum daytime temperature in September in St Barthelemy31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in September in St Barthelemy19
    19 days with some rainfall
  • 25°C minimum night-time temperature in September in St Barthelemy25
    25°C min night temperature
  • 12 hours of daylight per day in September in St Barthelemy12
    12 hours of daylight per day
  • Very high heat & humidity in September in St BarthelemyVH
    Very High heat & humidity
  • 129 mm monthly rainfall in September in St Barthelemy129
    129 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in St Barthelemy11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in St Barthelemy29
    29°C sea temperature
  • Top deals & discounts
  • St Barthelemy weather overview
  • St Barthelemy climate averages by month
  • More destinations
  • Best time to go to St Barthelemy
  • St Barthelemy 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The September weather guide for St Barthelemy shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Save on holidays to the Caribbean with latest special offers
  • Book holidays to Barbados, Jamaica, Antigua & more
  • Filter offers by departure airport, star rating & more

How hot is it in St Barthelemy in September?

Daytime temperatures usually reach 31°C in St Barthelemy in September with very high heat and humidity, falling to 25°C at night.

How sunny is it in St Barthelemy in September?

There are normally 8 hours of bright sunshine each day in St Barthelemy in September - that's 63% of daylight hours.

How warm is the sea around St Barthelemy in September?

The average sea temperature around St Barthelemy in September is 29°C.

Does it ever rain in St Barthelemy in September?

There are usually 19 days with some rain in St Barthelemy in September and the average monthly rainfall is 129mm.

What is the chance of a hurricane in St Barthelemy in September?

On average 1.2 days in September in St Barthelemy are likely to be affected by the passage of one or more tropical storms.

St Barthelemy sunrise & sunset times for September 2020

Browse the sunrise & sunset times for St Barthelemy in September 2020. Select a month to view St Barthelemy sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2020 05:57 18:25
Tuesday, 15th September 2020 05:59 18:13
Wednesday, 30th September 2020 06:02 18:00
  • Browse the best deals on hotel stays & compare prices
  • Check lowest rates by month & also by day of the week
  • Search by date or browse hotels by destination & map

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.