Mamora Bay weather in September 2025

Q: How hot is it in Mamora Bay in September?

Daytime temperatures usually reach 31°C in Mamora Bay in September with very high heat and humidity, falling to 25°C at night.

Q: How sunny is it in Mamora Bay in September?

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

Q: How warm is the sea around Mamora Bay in September?

The average sea temperature around Mamora Bay in September is 29°C.

Q: Does it rain in Mamora Bay in September?

There are usually 16 days with some rain in Mamora Bay in September and the average monthly rainfall is 140mm.

Q: What is the chance of a cyclone in Mamora Bay in September?

On average 1.3 days in September in Mamora Bay are likely to be affected by the passage of one or more tropical storms.

Expect 88°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Mamora Bay in September. Check more long-term weather averages for Mamora Bay in September before you book your next holiday to Antigua in 2025/2026.

88
88°F max day temperature
7
7 hours of sunshine per day
16
16 days with some rainfall
77
77°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
5.5
5.5 inches of monthly rainfall
11
11+ (Extreme) UV index
84
84°F sea temperature

More about Mamora Bay

Mamora Bay by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Antigua

Travel Up: up to £15 off flight & hotel bookings

Discount Code

Save up to £20 on flights & hotels with Travel Up
Offer only valid on bookings of £300 or more
Use discount code at check out for offer to apply

Show discount code

******Y15

Redeem Travel Up discount code >>

Expires at 23:59 on Saturday 30th Nov 2024 · View all Travel Up offers

The September weather guide for Antigua (Mamora Bay) 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.

Metric (°C) | Imperial (°F)

More about Antigua

How hot is it in Mamora Bay in September?

Daytime temperatures usually reach 88°F in Mamora Bay in September with very high heat and humidity, falling to 77°F at night.

How sunny is it in Mamora Bay in September?

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

How warm is the sea around Mamora Bay in September?

The average sea temperature around Mamora Bay in September is 84°F.

Does it rain in Mamora Bay in September?

There are usually 16 days with some rain in Mamora Bay in September and the average monthly rainfall is 5.5 inches.

What is the chance of a hurricane in Mamora Bay in September?

On average 1.3 days in September in Mamora Bay are likely to be affected by the passage of one or more tropical storms.

Mamora Bay September sunrise & sunset times

Browse the sunrise and sunset times for Mamora Bay in September 2025. Select a month to view Mamora Bay sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st September 2025	05:53	18:20
Monday, 15th September 2025	05:55	18:09
Tuesday, 30th September 2025	05:57	17:56

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

Antigua - quick facts
Flight time^✝	9 hours
Time difference	UK -4 hours
Language(s)	English
Currency	Eastern Caribbean Dollar
Electricity	A + B plug (230V)
Driving side	Left
Why visit?	Beaches Nature Nightlife
Tourist info	Antigua Barbuda Tourism Authority