Antigua & Barbuda

Antigua & Barbuda Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Antigua & Barbuda in September.

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Saint Johnʼs English Harbour Town Dickenson Bay Cobbs Cross

Thinking about venturing to Antigua & Barbuda this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Antigua & Barbuda in September

September in Antigua & Barbuda generally has warm temperatures, with high precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 27°C (81°F) in Saint Johnʼs. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

To learn more about the conditions in specific areas of Antigua & Barbuda, check out the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Dickenson Bay with an average of 137 mm (5.4 in) to high rainfall in English Harbour Town with 143 mm (5.6 in).

Explore Antigua & Barbuda by month

Pick a month to see the average temperature, rainfall and sunshine in Antigua & Barbuda - and find the best time to visit. (based on Saint Johnʼs)

January27°C (81°F) February27°C (81°F) March27°C (81°F) April28°C (82°F) May28°C (82°F) June29°C (84°F) July29°C (84°F) August30°C (86°F) This monthSeptember30°C (86°F) October29°C (84°F) November29°C (84°F) December28°C (82°F)
Best Time to Visit Antigua & Barbuda →

Best Places to Visit in Antigua & Barbuda in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Antigua & Barbuda.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

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).

Popular Destinations in Antigua & Barbuda

What is the weather like in September for some of the most popular destinations in Antigua & Barbuda?

Temperature range in Antigua & Barbuda (September)

Precipitation variation in Antigua & Barbuda (September)

Saint Johnʼs

In September Saint Johnʼs generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
106 mm (4.2 in)
138 mm (5.4 in)
142 mm (5.6 in)
Monthly rainy days
18 days
17 days
20 days
Weather conditions
good
good
very good
Climate in Saint Johnʼs →

English Harbour Town

In September English Harbour Town generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
110 mm (4.3 in)
143 mm (5.6 in)
144 mm (5.7 in)
Monthly rainy days
18 days
17 days
20 days
Weather conditions
very good
good
very good
Climate in English Harbour Town →

Jolly Harbour

In September Jolly Harbour generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
106 mm (4.2 in)
139 mm (5.5 in)
141 mm (5.6 in)
Monthly rainy days
18 days
17 days
20 days
Weather conditions
very good
good
very good
Climate in Jolly Harbour →

Saint Philips

In September Saint Philips generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
111 mm (4.4 in)
143 mm (5.6 in)
145 mm (5.7 in)
Monthly rainy days
18 days
17 days
20 days
Weather conditions
very good
good
very good
Climate in Saint Philips →

Dickenson Bay

In September Dickenson Bay generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
106 mm (4.2 in)
137 mm (5.4 in)
141 mm (5.6 in)
Monthly rainy days
18 days
17 days
20 days
Weather conditions
good
good
very good
Climate in Dickenson Bay →

Is your destination not in the list? Have a look at all destinations in Antigua & Barbuda.

In our records: Antigua & Barbuda September extremes

Notable September records observed across cities in Antigua & Barbuda in our climate database (1985 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest September day in Antigua & Barbuda reached 36°C (97°F) in Dickenson Bay on September 22, 2020.

Popular cities in September

Day & night temperatures, rainfall and average weather in Antigua & Barbuda in September.

City Weather Day temp Night temp Rainfall
Saint Johnʼs 30°C (86°F) 27°C (81°F) 138 mm (5.4 in)
English Harbour Town 30°C (86°F) 27°C (81°F) 143 mm (5.6 in)
Dickenson Bay 30°C (86°F) 27°C (81°F) 137 mm (5.4 in)
Cobbs Cross 30°C (86°F) 27°C (81°F) 143 mm (5.6 in)
Old Road 30°C (86°F) 27°C (81°F) 141 mm (5.6 in)
Bolans 30°C (86°F) 27°C (81°F) 139 mm (5.5 in)

Antigua & Barbuda weather in September: frequently asked questions

What is the weather like in Antigua & Barbuda in September?

In September, Antigua & Barbuda generally has mixed weather conditions. Saint Johnʼs sees daytime temperatures near 30°C (86°F), with nights cooling to roughly 27°C (81°F).

What is the average temperature in Antigua & Barbuda in September?

In Saint Johnʼs, the average daytime high in September is 30°C (86°F), while nighttime temperatures drop to around 27°C (81°F).

Does Antigua & Barbuda get a lot of rain in September?

Antigua & Barbuda sees substantial rainfall in September. Saint Johnʼs typically averages about 138 mm (5.4 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Antigua & Barbuda?

Given the typically good weather conditions in Saint Johnʼs, September may not be the ideal time to visit Antigua & Barbuda.

Generally speaking, January, February, March, April, May, June, July and December provide excellent weather in Saint Johnʼs. On the other hand, the weather in August and September tend to be mixed.

Interested in more climate information?

We have much more information about the climate in Antigua & Barbuda.

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

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.

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