- Save EXTRA £300 on select sailings in 2023
- Book ocean cruises to the Caribbean, USA, Europe & more
- No minimum spend. 7 night durations only
St Martin weather in September 2022
- 3131°C max day temperature
- 1919 days with some rainfall
- 2525°C min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 129129 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2929°C sea temperature
Cruise deal finder
Recommended for St Martin
The September weather guide for St Martin 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.
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in St Martin in September?
Daytime temperatures usually reach 31°C in St Martin in September with very high heat and humidity, falling to 25°C at night.
How sunny is it in St Martin in September?
There are normally 8 hours of bright sunshine each day in St Martin in September - that's 63% of daylight hours.
How warm is the sea around St Martin in September?
The average sea temperature around St Martin in September is 29°C.
Does it rain in St Martin in September?
There are usually 19 days with some rain in St Martin in September and the average monthly rainfall is 129mm.
What is the chance of a hurricane in St Martin in September?
On average 1.2 days in September in St Martin are likely to be affected by the passage of one or more tropical storms.
St Martin September sunrise & sunset times
Browse the sunrise and sunset times for St Martin in September 2022. Select a month to view St Martin sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Thursday, 1st September 2022||05:58||18:26|
|Thursday, 15th September 2022||06:00||18:14|
|Friday, 30th September 2022||06:03||18:02|
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.