St John's weather in September 2020

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31
31°C max day temperature
7
7 hours of sunshine per day
17
17 days with some rainfall
25
25°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
140
140 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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The September weather guide for St John's, Antigua 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.

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How hot is it in St John's in September?

Daytime temperatures usually reach 31°C in St John's in September with very high heat and humidity, falling to 25°C at night.

How sunny is it in St John's in September?

There are normally 7 hours of bright sunshine each day in St John's in September - that's 61% of daylight hours.

How warm is the sea around St John's in September?

The average sea temperature around St John's in September is 29°C.

Does it rain in St John's in September?

There are usually 17 days with some rain in St John's in September and the average monthly rainfall is 140mm.

What is the chance of a hurricane in St John's in September?

On average 1.3 days in September in St John's are likely to be affected by the passage of one or more tropical storms.

St John's sunrise & sunset times for September 2020

Browse the sunrise & sunset times for St John's in September 2020. Select a month to view St John's sunrise & sunset times for the next twelve months.

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