September weather forecast
Marsh Harbour, The Bahamas

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Weather in September

In September, Marsh Harbour showcases a dynamic weather pattern, highlighted by a sharp increase in rainfall to 148mm (5.83"). Despite escalating precipitation, the city manages to shine under the sun for most of the day, adhering to its tropical identity. Longer than usual rainfall hours characterize this period, yet the city's vibrancy is barely dulled. Although temperatures start showing a downward trend, the warmth persists. The combination of significant rainfall and retreating temperatures signals the retreat of summer.

Temperature

September brings an average high-temperature of a still tropical 30°C (86°F), showing a slight difference from August's 31°C (87.8°F). During September, the average low-temperature in Marsh Harbour is a warm 24°C (75.2°F).

Rainfall

In Marsh Harbour, in September, during 21 rainfall days, 148mm (5.83") of precipitation is typically accumulated. In Marsh Harbour, during the entire year, the rain falls for 175 days and collects up to 1106mm (43.54") of precipitation.

Sea temperature

In September, the average sea temperature in Marsh Harbour is 29.3°C (84.7°F).
Note: Water temperature ranging between 25°C (77°F) and 29°C (84.2°F) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.

Daylight

In September, the average length of the day in Marsh Harbour is 12h and 18min.
On the first day of the month, sunrise is at 06:48 and sunset at 19:27. On the last day of September, in Marsh Harbour, sunrise is at 07:00 and sunset at 18:55 EDT.

Sunshine

January, February, September through December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

In September, the average daily maximum UV index is 10. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 10 during September translates into the following guidance:
Taking safety measures is non-negotiable; skin and eyes can be swiftly affected if neglected. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Even on overcast days, ensure the application and frequent reapplication of sunscreen with at least an SPF 30, especially post swim or outdoor exercise. Attention! The reflection of both water and sand can increase the intensity of UV rays.
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Frequently asked questions

Is it hot in Marsh Harbour during September?

The high-temperature in Marsh Harbour, The Bahamas, during September is 30°C (86°F) and the low-temperature is 24°C (75.2°F).

How many days does it rain in September in Marsh Harbour?

In September, the rain falls for 21 days. Throughout September, 148mm (5.83") of precipitation is accumulated.

What is the sea water temperature in September in Marsh Harbour?

In September, the average sea temperature in Marsh Harbour, The Bahamas, is 29.3°C (84.7°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 Marsh Harbour have in September?

In September, the average day length in Marsh Harbour, The Bahamas, is 12h and 18min.

When is the sunrise / sunset in September in Marsh Harbour?

On the first day of September in Marsh Harbour, The Bahamas, sunrise is at 06:48 and sunset at 19:27. On the last day of the month, sunrise is at 07:00 and sunset at 18:55 EDT.

What is the month with the least sunshine in Marsh Harbour?

The months with the least sunshine are January, February, September through December, with an average of 7h of sunshine.

How long on average sun shines in September in Marsh Harbour?

In September, the average sunshine duration in Marsh Harbour, The Bahamas, is 7h.

What is the UV index intensity in September in Marsh Harbour?

In Marsh Harbour, the average daily maximum UV index in September is 10. A UV Index estimate of 8 to 10 represents a very high hazard to health from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Marsh Harbour, The Bahamas

Average temperature in September - Marsh Harbour, The Bahamas
  • Average high temperature in September: 30°C

The warmest months (with the highest average high temperature) are July and August (31°C).
The months with the lowest average high temperature are January and February (23°C).

  • Average low temperature in September: 24°C

The months with the highest average low temperature are July, August and September (24°C).
The coldest months (with the lowest average low temperature) are January and February (15°C).

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Average rainfall in September
Marsh Harbour, The Bahamas

Average rainfall in September - Marsh Harbour, The Bahamas
  • Average rainfall in September: 148mm

The wettest month (with the highest rainfall) is October (155mm).
The driest month (with the least rainfall) is January (45mm).

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Average rainfall days in September
Marsh Harbour, The Bahamas

Average rainfall days in September - Marsh Harbour, The Bahamas
  • Average rainfall days in September: 21 days

The months with the highest number of rainy days are August and September (21 days).
The month with the least rainy days is April (7 days).

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Average sea temperature in September
Marsh Harbour, The Bahamas

Average sea temperature in September - Marsh Harbour, The Bahamas
  • Average sea temperature in September: 29.3°C

The best month for swimming (with the highest average sea temperature) is August (29.6°C).
The coldest month (with the lowest average sea temperature) is February (22.8°C).

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Average daylight in September /
Average sunshine in September
Marsh Harbour, The Bahamas

Average daylight in September / Average sunshine in September - Marsh Harbour, The Bahamas
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 7h

The months with the most sunshine are April, May, July and August (Average sunshine: 9h).
The months with the least sunshine are January, February, September, October, November and December (Average sunshine: 7h).

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Average UV index in September
Marsh Harbour, The Bahamas

Average UV index in September - Marsh Harbour, The Bahamas
  • Average UV index in September: 10

The months with the highest UV index are May, June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 5).

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Marsh Harbour, The Bahamas

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