Saint-Denis weather in September 2021

Get the latest coronavirus (COVID-19) updates for Reunion with current travel advice, statistics and online resources.

  • 22°C maximum daytime temperature in September in Saint-Denis22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in September in Saint-Denis12
    12 days with some rainfall
  • 15°C minimum night-time temperature in September in Saint-Denis15
    15°C min night temperature
  • 12 hours of daylight per day in September in Saint-Denis12
    12 hours of daylight per day
  • No heat & humidity in September in Saint-Denis0
    No heat & humidity
  • 47 mm monthly rainfall in September in Saint-Denis47
    47 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Saint-Denis10
    10 (Very High) UV index
  • 23°C sea temperature in September in Saint-Denis23
    23°C sea temperature

Recommended for Reunion

  • Top deals & discounts
  • Saint-Denis weather overview
  • Saint-Denis climate averages by month
  • More destinations
  • Best time to go to Saint-Denis
  • Saint-Denis 5-day weather forecast

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

The September weather guide for Saint-Denis, Reunion 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.

  • Find hotel deals & special offers for popular destinations
  • Filter hotel deals by price, board basis, star rating & more
  • Choose from over 400,000 hotels worldwide

How hot is it in Saint-Denis in September?

Daytime temperatures usually reach 22°C in Saint-Denis in September, falling to 15°C at night.

How sunny is it in Saint-Denis in September?

There are normally 7 hours of bright sunshine each day in Saint-Denis in September - that's 55% of daylight hours.

How warm is the sea around Saint-Denis in September?

The average sea temperature around Saint-Denis in September is 23°C.

Does it rain in Saint-Denis in September?

There are usually 12 days with some rain in Saint-Denis in September and the average monthly rainfall is 47mm.

Saint-Denis sunrise & sunset times for September 2021

Browse the sunrise & sunset times for Saint-Denis in September 2021. Select a month to view Saint-Denis sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:27 18:09
Wednesday, 15th September 2021 06:14 18:13
Thursday, 30th September 2021 06:00 18:16
  • Save on return flights to worldwide destinations with KLM
  • Book flights to Abu Dhabi, Jo'burg, Tokyo & more
  • Plus more flights to the Americas, Middle East & Europe

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

Back to top

Where is hot in Reunion in September for 2021/2022?

Below are average maximum temperatures at popular destinations in Reunion in September. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

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