Antigua Weather in September

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

Are you planning a trip a to Antigua, Antigua & Barbuda in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Antigua in September

Antigua, Antigua & Barbuda is a region in Antigua & Barbuda. September in Antigua 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. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

For a closer look at conditions across Antigua, Antigua & Barbuda, refer to 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 by month

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

Best Places to Visit in Antigua in September

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

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

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

Temperature range in Antigua (September)

Precipitation variation in Antigua (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 tolerable that month.

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

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 tolerable that month.

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

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 tolerable that month.

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

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 tolerable that month.

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

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 tolerable that month.

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

Is your destination not in the list? Have a look at all destinations in Antigua, 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 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)
Bolans 30°C (86°F) 27°C (81°F) 139 mm (5.5 in)
Jolly Harbour 30°C (86°F) 27°C (81°F) 139 mm (5.5 in)

Antigua weather in September: frequently asked questions

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

Antigua, Antigua & Barbuda typically experiences unpleasant weather in September, part of the season. Daytime highs in Saint Johnʼs average around 30°C (86°F), and temperatures drop to about 27°C (81°F) at night.

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

Daytime temperatures in Saint Johnʼs peak at roughly 30°C (86°F) in September, dropping to about 27°C (81°F) overnight.

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

Antigua, 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, Antigua & Barbuda?

In our view, September might not be the best time to travel to Antigua, Antigua & Barbuda with often tolerable weather in Saint Johnʼs.

On average, the best time to visit Antigua, Antigua & Barbuda is in January, February, March, April, May, June, July and December with generally perfect weather in Saint Johnʼs. On the other hand, the months of August and September tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Antigua.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.