Weather in September
September registers the second-highest sea temperature of 29.7°C (85.5°F) in Old Harbour, only marginally cooler than August. With a further reduction in daylight hours, the weather fosters a blend of warm nights and delightful days. While carrying forward the weather pattern from August, the subtle changes in temperature and daylight mark the onset of a transitioning climate, setting the stage for the cooler months ahead.
Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.
On the first day of September, sunrise is at 05:54 and sunset at 18:22. On the last day of the month, sunrise is at 05:58 and sunset at 17:57 EST.
[Resources]Sea temperature
The month with the warmest seawater is September, with an average sea temperature of 29.7°C (85.5°F).Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.
Daylight
The average length of the day in September in Old Harbour is 12h and 14min.On the first day of September, sunrise is at 05:54 and sunset at 18:22. On the last day of the month, sunrise is at 05:58 and sunset at 17:57 EST.
Frequently asked questions
When is the sea warmest in Old Harbour?
The month with the warmest seawater is September, with an average sea temperature of 29.7°C (85.5°F).
How warm is the water in September in Old Harbour?
In Old Harbour, Jamaica, in September, the average water temperature is 29.7°C (85.5°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
How many hours of daylight does Old Harbour have in September?
The average day length in September in Old Harbour is 12h and 14min.
What time are sunrise and sunset in September in Old Harbour?
In September, on the first day of the month, sunrise is at 05:54 and sunset at 18:22. On the last day of the month, in Old Harbour, Jamaica, sunrise is at 05:58 and sunset at 17:57 EST.
Average sea temperature in September
Old Harbour, Jamaica
- Average sea temperature in September: 29.7°C
The best month for swimming (with the highest average sea temperature) is September (29.7°C).
The coldest month (with the lowest average sea temperature) is February (27°C).
Average daylight in September
Old Harbour, Jamaica
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
Old Harbour, Jamaica
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