Sainte Croix
Guadeloupe
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Sainte Croix, Guadeloupe

September, the first month of the autumn, in Sainte Croix, is also a hot month, with average temperature ranging between max 31°C (87.8°F) and min 23°C (73.4°F).

Temperature

July through September, with an average high-temperature of 31°C (87.8°F), are the warmest months.

Rainfall

In Sainte Croix, during 20 rainfall days, 236mm (9.3") of precipitation is typically accumulated. In Sainte Croix, during the entire year, the rain falls for 202 days and collects up to 2097mm (82.6") of precipitation.

Sea temperature

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater. 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.

Daylight

The average length of the day in Sainte Croix is 12.2h.

Sunshine

January, February, September through December, with an average of 7h of sunshine, are months with the least 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 extreme threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
In September, the average maximum UV index of 12 translate into the following recommendations:
Practice all-important precautions. Light skin people may get burned in less than 5 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the warmest month in Sainte Croix?

Warmest months are July through September, with an average high-temperature of 31°C (87.8°F).

What is the temperature in September in Sainte Croix?

In Sainte Croix, Guadeloupe, in September, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 23°C (73.4°F).

How many days does it rain in September in Sainte Croix?

In Sainte Croix, in September, it is raining for 20 days, with typically 236mm (9.3") of accumulated precipitation.

When is the sea warmest in Sainte Croix?

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Sainte Croix, Guadeloupe. 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.

How warm is the water in September in Sainte Croix?

In Sainte Croix, in September, the average water temperature is 29°C (84.2°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.

What is the average length of the day in September in Sainte Croix?

In September, the average length of the day in Sainte Croix is 12.2h.

What is the month with the least sunshine in Sainte Croix?

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

How long on average sun shines in September in Sainte Croix?

The average sunshine in September in Sainte Croix is 7h.

What are the months with the highest UV index in Sainte Croix?

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

What is the UV index intensity in September in Sainte Croix?

In September, the average daily maximum UV index in Sainte Croix, Guadeloupe, is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in September - Sainte Croix, Guadeloupe
  • Average high temperature in September: 31°C

Warmest months (with the highest average high temperature) are July, August and September (31°C).
The month with the lowest average high temperature is January (28°C).

  • Average low temperature in September: 23°C

Months with the highest average low temperature are July and August (24°C).
Coldest months (with the lowest average low temperature) are January, February and March (21°C).

Average rainfall in September - Sainte Croix, Guadeloupe
  • Average rainfall in September: 236mm

The wettest month (with the highest rainfall) is November (278mm).
The driest month (with the lowest rainfall) is February (84mm).

Average rainfall days in September - Sainte Croix, Guadeloupe
  • Average rainfall days in September: 20 days

The month with the highest number of rainy days is September (20 days).
Months with the lowest number of rainy days are February and April (13 days).

Average sea temperature in September - Sainte Croix, Guadeloupe
  • Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are September and October (29°C).
Coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight in September / Average sunshine in September - Sainte Croix, Guadeloupe
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.1h).
The month with shortest days is December (Average daylight: 11.2h).

  • Average sunshine in September: 7h

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

Average UV index in September - Sainte Croix, Guadeloupe
  • 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).