Saint Vincent and the Grenadines weather

Our guide to the weather in Saint Vincent and the Grenadines during September

We've looked at the most up-to-date weather data for Saint Vincent and the Grenadines, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Saint Vincent and the Grenadines weather in September.

How warm is it in Saint Vincent and the Grenadines during September?

September is typically the hottest month in Saint Vincent and the Grenadines. The temperature hits about 28℃ during the day, falling away to a balmy 27℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Saint Vincent and the Grenadines during September?

On average, there will be 4 rainy days during the month, amounting to 92.8mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, September will see just 3 days that produce a storm.

Is it windy in Saint Vincent and the Grenadines during September?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during September. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

How warm is the sea in Saint Vincent and the Grenadines during September?

The water around Saint Vincent and the Grenadines reaches a very pleasant 29℃ during September. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.

Holidays in Saint Vincent and the Grenadines

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Saint Vincent and the Grenadines Blog posts

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Introducing Sandals’ Newest Resort: Saint Vincent and the Grenadines

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11th April 2023 by Big Family Little Adventures

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10th January 2022 by Two Monkey's Travel

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