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Runaway Bay Weather in September

In Runaway Bay, September brings very high daytime temperatures around 31°C (88°F), with nights cooling to 25°C (77°F). Expect quite a bit of rainfall this month.

Rainfall in Runaway Bay in September

Past climate data indicates that roughly 14 days will see rain, totalling around 168 mm (6.6 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Runaway Bay in September

In September, Runaway Bay gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 25°C (77°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Runaway Bay in September

Enjoy a sunny month with about 210 hours of sunshine, the clear skies make Runaway Bay even more beautiful.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Runaway Bay. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Jamaica, check out our Runaway Bay's climate page.

Runaway Bay Temperature in September

Min TemperatureMin Temperature 25°C (77°F)  
Max TemperatureMax Temperature 31°C (88°F)  
Chance of RainChance of Rain 48%  
PrecipitationPrecipitation 168 mm (6.6 in)  
Rainy daysRainy days 14 days  
HumidityHumidity 78% *  
SunshineSunshine 210 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Montego Bay, Jamaica (62 KM, 39 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Runaway Bay typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in September

Daily Historical Precipitation

49-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather for Runaway Bay in September

Browse day-by-day weather records for Runaway Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Runaway Bay historical weather extremes in September

According to our 19 years of weather records for Runaway Bay, the following extremes were recorded between 2006 and 2025.

  • The warmest day in September was on September 12, 2009, with a maximum of 35°C (95°F).
  • The coldest September day was on September 28, 2010, with a maximum of 26°C (79°F).
  • Runaway Bay registered its coldest September night on September 16, 2021, with temperatures dropping to 22°C (72°F).
  • Peak precipitation in September occurred on September 29, 2007, when 96 mm (3.8 in) of precipitation was measured.

Best Places in Jamaica in September

Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in September →

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Legend 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).

What to Wear in Runaway Bay in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Runaway Bay in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Jamaica, check out our Runaway Bay's climate page.

More climate data for Runaway Bay