Saint-Pierre
Martinique
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Saint-Pierre, Martinique

The first month of the autumn, September, is also a hot month in Saint-Pierre, Martinique, with average temperature varying between 30°C (86°F) and 23°C (73.4°F).

Temperature

August and September, with an average high-temperature of 30°C (86°F), are the warmest months.

Rainfall

In Saint-Pierre, Martinique, during September, the rain falls for 27 days and regularly aggregates up to 277mm (10.9") of precipitation. Throughout the year, in Saint-Pierre, Martinique, there are 230 rainfall days, and 2445mm (96.3") of precipitation is accumulated.

Sea temperature

The month with the warmest seawater is September, with an average sea temperature of 29.4°C (84.9°F). 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 September, the average length of the day in Saint-Pierre is 12.2h.

Sunshine

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

UV index

Months with the highest UV index in Saint-Pierre are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
In September, the average maximum UV index of 12 translate into the following recommendations:
Take all required precautions, as unprotected skin and eyes can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the warmest month in Saint-Pierre?

August and September, with an average high-temperature of 30°C (86°F), are warmest months in Saint-Pierre.

What is the temperature in September in Saint-Pierre?

The average high-temperature, in September, is 30°C (86°F), while the average low-temperature is 23°C (73.4°F).

How much does it rain in Saint-Pierre in September?

In Saint-Pierre, Martinique, during September, the rain falls for 27 days and regularly aggregates up to 277mm (10.9") of precipitation.

What month is the sea warmest in Saint-Pierre?

September is the month with the warmest seawater in Saint-Pierre, with an average sea temperature of 29.4°C (84.9°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 warm is the water in September in Saint-Pierre?

In Saint-Pierre, Martinique, the average seawater temperature in September is 29.4°C (84.9°F). 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.

What is the average length of the day in September in Saint-Pierre?

In Saint-Pierre, the average length of the day in September is 12.2h.

What is the month with the least sunshine in Saint-Pierre?

June, July, September through December, with an average of 7h of sunshine, are months with the least sunshine in Saint-Pierre.

How long on average sun shines in September in Saint-Pierre?

In September, the average sunshine is 7h.

What is the month with the highest UV index in Saint-Pierre?

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

What is the UV index intensity in September in Saint-Pierre?

In Saint-Pierre, the average daily maximum UV index in September is 12. A UV Index value of 11, and more, symbolizes an extreme health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Saint-Pierre, Martinique
  • Average high temperature in September: 30°C

Warmest months (with the highest average high temperature) are August and September (30°C).
Months with the lowest average high temperature are January and February (27°C).

  • Average low temperature in September: 23°C

Months with the highest average low temperature are June, July, August and September (23°C).
Coldest months (with the lowest average low temperature) are January, February and March (20°C).

Average rainfall in September - Saint-Pierre, Martinique
  • Average rainfall in September: 277mm

The wettest month (with the highest rainfall) is August (286mm).
The driest month (with the lowest rainfall) is March (96mm).

Average rainfall days in September - Saint-Pierre, Martinique
  • Average rainfall days in September: 27 days

The month with the highest number of rainy days is September (27 days).
The month with the lowest number of rainy days is April (13 days).

Average sea temperature in September - Saint-Pierre, Martinique
  • Average sea temperature in September: 29.4°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).

Average daylight in September / Average sunshine in September - Saint-Pierre, Martinique
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in September: 7h

Months with most sunshine are January, February, March, April, May and August (Average sunshine: 8h).
Months with least sunshine are June, July, September, October, November and December (Average sunshine: 7).

Average UV index in September - Saint-Pierre, Martinique
  • Average UV index in September: 12

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