Jacmel
Haiti
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Jacmel, Haiti

The first month of the autumn, September, is still a hot month in Jacmel, Haiti, with average temperature fluctuating between 32°C (89.6°F) and 22°C (71.6°F).

Temperature

In Jacmel, the average high-temperature in September is practically the same as in August - a still tropical 32°C (89.6°F). In September, in Jacmel, Haiti, the average low-temperature is 22°C (71.6°F).

Rainfall

In Jacmel, during September, the rain falls for 14 days and regularly aggregates up to 176mm (6.9") of precipitation. Throughout the year, there are 134 rainfall days, and 1516mm (59.7") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 29.6°C (85.3°F), September is the month with the warmest seawater.
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Jacmel, the average length of the day is 12.2h.

Sunshine

Months with the least sunshine are May, September through December, with an average of 7h of sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 12 in September transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Jacmel?

In Jacmel, Haiti, in September, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 22°C (71.6°F).

How much does it rain in Jacmel in September?

In September, in Jacmel, Haiti, the rain falls for 14 days. Throughout September, 176mm (6.9") of precipitation is accumulated.

What month is the sea warmest in Jacmel?

With an average sea temperature of 29.6°C (85.3°F), September is the month with the warmest seawater in Jacmel, Haiti.

What is the sea water temperature in September in Jacmel?

In Jacmel, the average seawater temperature in September is 29.6°C (85.3°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Jacmel have in September?

The average length of the day in September in Jacmel is 12.2h.

What is the month with the least sunshine in Jacmel?

Months with the least sunshine in Jacmel, Haiti, are May, September through December, with an average of 7h of sunshine.

How many hours of sunshine does Jacmel have in September?

In September, the average sunshine is 7h.

When is the highest UV index in Jacmel?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Jacmel.

What is the UV index reading in September in Jacmel?

In September, the average daily maximum UV index in Jacmel, Haiti, is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Jacmel, Haiti
  • Average high temperature in September: 32°C

The warmest month (with the highest average high temperature) is August (33°C).
The month with the lowest average high temperature is January (29°C).

  • Average low temperature in September: 22°C

The month with the highest average low temperature is September (22°C).
Coldest months (with the lowest average low temperature) are January and February (18°C).

Average rainfall in September - Jacmel, Haiti
  • Average rainfall in September: 176mm

The wettest month (with the highest rainfall) is May (237mm).
The driest month (with the lowest rainfall) is January (43mm).

Average rainfall days in September - Jacmel, Haiti
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is October (15 days).
Months with the lowest number of rainy days are February, March and April (8 days).

Average sea temperature in September - Jacmel, Haiti
  • Average sea temperature in September: 29.6°C

The best month for swimming (with the highest average sea temperature) is September (29.6°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).

Average daylight in September / Average sunshine in September - Jacmel, Haiti
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11h).

  • Average sunshine in September: 7h

The month with most sunshine is July (Average sunshine: 9h).
Months with least sunshine are May, September, October, November and December (Average sunshine: 7).

Average UV index in September - Jacmel, Haiti
  • Average UV index in September: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 8).