September weather forecast and climate
Canaries, Saint Lucia

Weather in September

September, the first month of the autumn, in Canaries, is a tropical month, with average temperature varying between 30.3°C (86.5°F) and 27°C (80.6°F).

Temperature

With an average high-temperature of 30.3°C (86.5°F) and an average low-temperature of 27°C (80.6°F), September is the warmest month.

Heat index

In September, the average heat index is calculated to a torrid 36.6°C (97.9°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, pregnancy, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

January through March and September, with an average relative humidity of 73%, are the least humid months.

Rainfall

In Canaries, it is raining for 20.3 days, with typically 63mm (2.48") of accumulated precipitation. Throughout the year, there are 255.2 rainfall days, and 560mm (22.05") of precipitation is accumulated.

Sea temperature

The month with the warmest seawater in Canaries is September, with an average sea temperature of 29.7°C (85.5°F).
Note: 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.

Daylight

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

Sunshine

In September, the average sunshine is 9.6h.

UV index

Months with the highest UV index are January through May, July through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the warmest month in Canaries?

The warmest month in Canaries, Saint Lucia, is September, with an average high-temperature of 30.3°C (86.5°F) and an average low-temperature of 27°C (80.6°F).

What is the temperature in September in Canaries?

The average high-temperature, in September, is 30.3°C (86.5°F), while the average low-temperature is 27°C (80.6°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines air temperature and relative humidity, in September is evaluated at 36.6°C (97.9°F).

What is the least humid month in Canaries?

Months with the lowest humidity in Canaries, Saint Lucia, are January through March and September, with an average relative humidity of 73%.

What is the average humidity in September in Canaries?

In Canaries, the average relative humidity in September is 73%.

How many days does it rain in September in Canaries?

In Canaries, during September, the rain falls for 20.3 days and regularly aggregates up to 63mm (2.48") of precipitation.

What is the month with the warmest sea water in Canaries?

With an average sea temperature of 29.7°C (85.5°F), September is the month with the warmest seawater.

What is the water temperature in September in Canaries?

In Canaries, in September, the average water temperature is 29.7°C (85.5°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 Canaries have in September?

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

How many hours of sunshine does Canaries have in September?

The average sunshine in September in Canaries, Saint Lucia, is 9.6h.

When is the highest UV index in Canaries?

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Canaries, Saint Lucia.

What is the UV index intensity in September in Canaries?

In September, the average daily maximum UV index in Canaries, Saint Lucia, is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Canaries, Saint Lucia

Average temperature in September - Canaries, Saint Lucia
  • Average high temperature in September: 30.3°C

The warmest month (with the highest average high temperature) is September (30.3°C).
Months with the lowest average high temperature are January and February (27.5°C).

  • Average low temperature in September: 27°C

The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).

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Average pressure in September
Canaries, Saint Lucia

Average pressure in September - Canaries, Saint Lucia
  • Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

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Average wind speed in September
Canaries, Saint Lucia

Average wind speed in September - Canaries, Saint Lucia
  • Average wind speed in September: 16.7km/h

The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).

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Average humidity in September
Canaries, Saint Lucia

Average humidity in September - Canaries, Saint Lucia
  • Average humidity in September: 73%

Months with the highest relative humidity are May, June, July, August and November (75%).
Months with the lowest relative humidity are January, February, March and September (73%).

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Average rainfall in September
Canaries, Saint Lucia

Average rainfall in September - Canaries, Saint Lucia
  • Average rainfall in September: 63mm

The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).

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Average rainfall days in September
Canaries, Saint Lucia

Average rainfall days in September - Canaries, Saint Lucia
  • Average rainfall days in September: 20.3 days

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).

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Average sea temperature in September
Canaries, Saint Lucia

Average sea temperature in September - Canaries, Saint Lucia
  • 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 March (27.1°C).

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Average daylight in September /
Average sunshine in September
Canaries, Saint Lucia

Average daylight in September / Average sunshine in September - Canaries, Saint Lucia
  • Average daylight in September: 12.2h

Months with the longest days are June and July (Average daylight: 12.9h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is April (Average sunshine: 9.8h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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Average sunshine days in September
Canaries, Saint Lucia

Average sunshine days in September - Canaries, Saint Lucia
  • Average sunshine days in September: 5.2 days

The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).

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Average UV index in September
Canaries, Saint Lucia

Average UV index in September - Canaries, Saint Lucia
  • Average UV index in September: 7

Months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).

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Average cloud cover in September
Canaries, Saint Lucia

Average cloud cover in September - Canaries, Saint Lucia
  • Average cloud cover in September: 40

Months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 38).

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Average visibility in September
Canaries, Saint Lucia

Average visibility in September - Canaries, Saint Lucia
  • Average visibility in September: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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