Temperature in Union Island in September

Daytime highs, nighttime lows and the warmest cities in Union Island, Saint Vincent & Grenadines this September.

Union Island, Saint Vincent & Grenadines, a region in Saint Vincent & Grenadines, typically experiences warm weather in September, with maximum daytime temperatures around 30°C (86°F) and nighttime temperatures around 27°C (81°F) in Clifton.

What is the temperature of the different cities in Union Island, Saint Vincent & Grenadines in September?

Curious about the September temperatures in the prime spots of Union Island? Navigate the map below and tap on a destination dot for more detailed stats.

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For a detailed overview over the year and the best time to visit Union Island, check out our Union Island's climate page.

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Best Places to Visit in Union Island in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Union Island.

Conditions Temperatures Precipitation

Temperatures Precipitation

Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.

Union Island temperatures in September: frequently asked questions

How hot does it get in Union Island, Saint Vincent & Grenadines in September?

Daytime temperatures in Clifton typically peak at 30°C (86°F) in September, putting it in the high range.

How cold does it get at night in Union Island, Saint Vincent & Grenadines in September?

Average overnight lows in Union Island, Saint Vincent & Grenadines during September sit near 27°C (81°F) in Clifton.

How much sun does Union Island, Saint Vincent & Grenadines get in September?

Clifton enjoys approximately 240 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

Interested in more climate information?

We have much more information about the climate in Union Island.

Weather and climate has detailed information for every country in the world. Are you going to Saint Vincent & Grenadines? Get detailed historical weather averages for many cities in Saint Vincent & Grenadines.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.