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St John's weather in September 2023
- 3131°C max day temperature
- 1717 days with some rainfall
- 2525°C min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 140140 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2929°C sea temperature
Recommended for Antigua
The September weather guide for Antigua (St John's) 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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about Antigua
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 September sunrise & sunset times
Browse the sunrise and sunset times for St John's in September 2023. Select a month to view St John's sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Friday, 1st September 2023||05:54||18:21|
|Friday, 15th September 2023||05:55||18:10|
|Saturday, 30th September 2023||05:57||17:57|
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