Sunheron logo
SunheronYour holiday finder
Where to travel
Find best place for you ->
Find destination...
°C°F

Saint Lucia

Gros Islet weather in September 2025

Saint Lucia

Gros Islet weather in September 2025

 

Day

32 °C

 

Night

24 °C

 

Sea

29 °C

 

Precipitation

233 mm

in month

 

Rainy days

20 days

in month

 

Daylight

12 hours

average

 

Sunshine

7 hours

average

 

Humidity

83 %

 

Day

32 °C

 

Night

24 °C

 

Sea

29 °C

 

Precipitation

233 mm

in month

 

Rainy days

20 days

in month

 

Daylight

12 hours

average

 

Sunshine

7 hours

average

 

Humidity

83 %

Overview: Gros Islet
In Gros Islet in September, the average air temperature ranges from 32 °C (89 °F) during the day to 24 °C (75 °F) at night. There are 20 days of rain on average, where the rainfall is 233 mm (9.18 in).

Weather charts for Gros Islet

Weather overview
Weather overview
Weather overview
Show more charts

Destinations nearby and activities

Destinations nearby

Activities in Gros Islet

🏖️🌊
Sand beaches
🏖️🏝️
Tropical beaches
🏖️🌅
Picturesque beaches
👩‍❤️‍👨
Couples
💰
Low prices
Countryside near Gros Islet in sunny weather with few clouds

Find more destinations like this

Travel essentials
Weather
Beach
Nature
City
Prices
Other

Where do you want to go?

When do you want to go?

Your ideal holidays are?

Who are you travelling with?

Day temperature

I don't care

Wet days

I don't care

Overall prices

Where do you want to go?

Your ideal holidays are?

When do you want to go?

Day temperature

I don't care

Destinations with similar weather to Gros Islet

Other destinations in Saint Lucia


Weather overview for Gros Islet

Weather overview

In Gros Islet in September, the average air temperature ranges from 32 °C (89 °F) during the day to 24 °C (75 °F) at night. There are 20 days of rain on average, where the rainfall is 233 mm (9.18 in).

Is September a good month to visit Gros Islet?

There are good conditions for visiting in September in Gros Islet. The daily temperatures in this month reach pleasant 32 °C (89 °F). The seawater temperature reaches ideal 29 °C (84 °F). At night, temperatures hover around a pleasant 24 °C (75 °F). September is the wet season month in Gros Islet, which means that there may be more frequent rains during your stay.

What temperature can I expect during the day in Gros Islet in September?

In Gros Islet in September, the average daily temperatures will be 32 °C (89 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.

What is the sea temperature in September in Gros Islet?

The sea will reach 29 °C (84 °F) in Gros Islet in September. This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.

How many rainy days can I expect in September in Gros Islet?

There are 20 days, which are rainy in September in Gros Islet, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 4.7 days of the week, or in general - 67 % days.

What is the night temperature in September in Gros Islet?

The average night temperature in Gros Islet in September is 24 °C (75 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

What is the rainfall intensity in Gros Islet in September?

There is precipitation of 233 mm (9.18 in) in September in Gros Islet, which means 8 mm (0.31 in) rainfall per day on average.

How many hours of sun to expect in September in Gros Islet?

In September in Gros Islet, you can expect around 7 hours of sunshine.

How long is the day (from dawn till dusk) in Gros Islet in September?

The length of daylight in September in Gros Islet is 12 hours.

Is there a wet season in Gros Islet in September?

Yes, in September in Gros Islet there is a wet season with 20 days, when there is rain in a month.

Is it hot in September in Gros Islet?

In September in Gros Islet, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

How windy is it in Gros Islet in September?

In Gros Islet in September, there will be an average wind scale of 4.

How humid is Gros Islet in September?

In Gros Islet in September, expect humidity around 83 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.

Our latest blog posts

Where to go
Top destinations
Text Search