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Port Antonio in September 2026: weather, temperatures and activities

Do you want to visit Port Antonio in September 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether September is a good month to travel to Port Antonio, Jamaica.

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Is it worth visiting Port Antonio in September?

Check your ideal travel criteria and see if the month of September suits your plans to go to Port Antonio.
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Port Antonio in September 2026: weather, temperatures and activities

Page summary

Port Antonio in September in summary
Fair weather
Min 27°C Max 29°C 296 mm 16 day(s) 83% 33% 31°C UV 6 12.0 h/day
Best activities in September
Nature and landscapesGastronomy
Practical guidelines
Low crowds Very low price 05:54 18:08
Hourly weather

Average weather in Port Antonio in September 2026

Fair weather

The weather in Port Antonio in September 2026 is based on statistical data from previous years in September. This allows you to forecast the weather in September 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Port Antonio in September

Temperatures, precipitation and monthly trends help to better understand the climate in Port Antonio in September.

Temperatures and rain in Port Antonio in September

Average daily weather

Temperatures and rain day by day in September.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Port Antonio in September

Seasonal normals

Seasonal normals of Port Antonio in September

Check the seasonal normals in Port Antonio in September and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
September
Weather data August September October
Outside temperature
Average temperature 28.3°C 28.3°C 27.8°C
Maximum temperature 29.3°C 29.5°C 28.9°C
Minimum temperature 27.2°C 27.2°C 26.8°C
Record maximum temperature 32.0°C
(2019)
32.0°C
(2017)
31.0°C
(2010)
Record low temperature 26.0°C
(2013)
25.0°C
(2021)
20.0°C
(2020)
Number of days at +30° 12 day(s)
(39%)
15 day(s)
(50%)
8 day(s)
(26%)
Number of days at +18° 31 day(s)
(100%)
30 day(s)
(100%)
31 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 29.5°C 29.8°C 29.5°C
Sea temperature (minimum) 28.8°C 28.6°C 28.5°C
Sea temperature (maximum) 30.4°C 30.9°C 30.6°C
Wind
Wind speed 19 km/h 16 km/h 16 km/h
Wind temperature 27.3°C 27.2°C 26.8°C
Precipitation (rain)
Precipitation 348.7 mm 295.9 mm 384.6 mm
Number of days with precipitation 29 day(s)
(94%)
27 day(s)
(90%)
29 day(s)
(94%)
Number of days with significant precipitation (greater than 5 mm) 18 day(s)
(58%)
16 day(s)
(54%)
20 day(s)
(63%)
Record precipitation in one day 84.3 mm
(2012)
78.0 mm
(2017)
140.1 mm
(2012)
Other weather data
Humidity 84% 83% 83%
Visibility 9.0 km 9.1 km 8.9 km
Cloud cover 37% 33% 37%
UV index 6 6 6
Daily sunshine 12h 12h 10h
Sunrise and sunset
Sunrise time 05h48 05h54 06h00
Sunset time 18h32 18h08 17h43
Day length 12h44 12h14 11h43
Our opinion on the climate in September
The review of Where And When fair weather fair weather fair weather
Activities and events

What to do in Port Antonio in September?

Best activities in September
Nature and landscapesGastronomy
Possible activities in September
Beach and swimmingHiking and trekkingCultural visits and heritageAnimal observationFamily and attractionsDiving and snorkelingWatersportsNightlifeBoat trip and cruise
Observed weather

What was the weather like in Port Antonio in September last?

Find the observed weather calendar in Port Antonio in September 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
27°C31°C0.0 mm
2
Clear/Sunny
27°C30°C0.0 mm
3
Clear/Sunny
28°C31°C0.0 mm
4
Overcast
28°C30°C1.6 mm
5
Clear/Sunny
28°C31°C0.0 mm
6
Cloudy
28°C30°C0.0 mm
7
Light rain shower
28°C30°C5.7 mm
8
Clear/Sunny
28°C31°C0.0 mm
9
Cloudy
28°C30°C0.0 mm
10
Clear/Sunny
27°C29°C5.2 mm
11
Clear/Sunny
28°C30°C0.0 mm
12
Clear/Sunny
28°C30°C0.0 mm
13
Cloudy
27°C30°C0.0 mm
14
Clear/Sunny
27°C30°C0.0 mm
15
Clear/Sunny
28°C30°C0.0 mm
16
Partly Cloudy
28°C30°C0.3 mm
17
Thundery outbreaks in nearby
28°C30°C0.0 mm
18
Clear/Sunny
28°C31°C0.3 mm
19
Thundery outbreaks in nearby
27°C29°C0.3 mm
20
Clear/Sunny
27°C30°C1.2 mm
21
Clear/Sunny
27°C31°C0.0 mm
22
Clear/Sunny
28°C30°C0.1 mm
23
Clear/Sunny
28°C30°C0.0 mm
24
Clear/Sunny
28°C30°C0.0 mm
25
Partly Cloudy
28°C30°C0.0 mm
26
Patchy rain nearby
27°C29°C1.2 mm
27
Moderate or heavy rain shower
28°C29°C47.4 mm
28
Cloudy
28°C29°C0.0 mm
29
Cloudy
27°C29°C0.0 mm
30
Heavy rain at times
27°C29°C11.0 mm
Nearby

Where to go near Port Antonio in September?

Compare cities and destinations near Port Antonio in September to find another travel stop, a nearby alternative or a logical continuation of your stay in Port Antonio.

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Every month

Best time to visit Port Antonio month by month

Compare the weather in Port Antonio across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Port Antonio in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

It's an average period, nothing special. Conditions are mediocre in Port Antonio in September, which ranks this month 9th out of 12. The choice of region will make a real difference.

Expect an average of 29°C during the day and 27°C at night, with about 296 mm of precipitation spread over 16 rainy days.

Yes: the sea is 30°C on average in September, a pleasant temperature for swimming.

Expect about 12.0 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Nature and landscapes and Gastronomy. These are the ones for which the conditions on site are most favourable.

No: this month is in Low crowds, with a visitor index of 16/100. It is one of the quietest periods of the year.

No: rates are at level Very low price, with a price index of 12/100. It’s one of the most budget-friendly months.
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