Mamoudzou
Mayotte
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Mamoudzou, Mayotte

Water splashing onto the brown sandy beach of Virgen Boueni in Mamoudzou, Mayotte, with a view of trees and rocks along the edge
Water splashing onto the brown sandy beach of Virgen Boueni in Mamoudzou, Mayotte, with a view of trees and rocks along the edge
The first month of the spring, September, is also a moderately hot month in Mamoudzou, Mayotte, with average temperature fluctuating between 26°C (78.8°F) and 19°C (66.2°F).
An excellent water temperature of 26°C (78.8°F) and only 5 rainfall days, with 30mm (1.18") of accumulated rainfall, makes September a prime for swimming and other water activities.

Temperature

June through September, with an average high-temperature of 26°C (78.8°F), are the coldest months in Mamoudzou.

Rainfall

The month with the least rainfall is September when the rain falls for 5 days and typically collects 30mm (1.18") of precipitation.

Sea temperature

Months with the coldest seawater are July through September, with an average sea temperature of 26°C (78.8°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 September, the average length of the day in Mamoudzou is 12h.

Sunshine

Months with the most sunshine are August through November, with an average of 10h of sunshine.

UV index

Months with the highest UV index are January through March, September through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. 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 strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the coldest month in Mamoudzou?

June through September, with an average high-temperature of 26°C (78.8°F), are the coldest months in Mamoudzou.

What is the temperature in September in Mamoudzou?

In September, in Mamoudzou, the average high-temperature is 26°C (78.8°F), and the average low-temperature is 19°C (66.2°F).

How much does it rain in Mamoudzou in September?

In Mamoudzou, in September, it is raining for 5 days, with typically 30mm (1.18") of accumulated precipitation.

What is the driest month in Mamoudzou?

September is the month with the least rainfall in Mamoudzou, Mayotte. Rain falls for 5 days and accumulates 30mm (1.18") of precipitation.

When is the sea coldest in Mamoudzou?

July through September, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.

How warm is the water in September in Mamoudzou?

In Mamoudzou, Mayotte, in September, the average water temperature is 26°C (78.8°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.

What is the average length of the day in September in Mamoudzou?

In Mamoudzou, the average length of the day in September is 12h.

What are the months with the most sunshine in Mamoudzou?

August through November, with an average of 10h of sunshine, are months with the most sunshine.

How many hours of sunshine does Mamoudzou have in September?

The average sunshine in September in Mamoudzou, Mayotte, is 10h.

What is the month with the highest UV index in Mamoudzou?

January through March, September through December, with an average maximum UV index of 12, are months with the highest UV index in Mamoudzou, Mayotte.

What is the UV index intensity in September in Mamoudzou?

In Mamoudzou, the average daily maximum UV index in September is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Mamoudzou, Mayotte
  • Average high temperature in September: 26°C

Warmest months (with the highest average high temperature) are January, February, March, April, May, November and December (28°C).
Months with the lowest average high temperature are June, July, August and September (26°C).

  • Average low temperature in September: 19°C

Months with the highest average low temperature are January, February and March (23°C).
Coldest months (with the lowest average low temperature) are August and September (19°C).

Average rainfall in September - Mamoudzou, Mayotte
  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is January (312mm).
The driest month (with the lowest rainfall) is September (30mm).

Average rainfall days in September - Mamoudzou, Mayotte
  • Average rainfall days in September: 5 days

The month with the highest number of rainy days is January (19 days).
The month with the lowest number of rainy days is July (4 days).

Average sea temperature in September - Mamoudzou, Mayotte
  • Average sea temperature in September: 26°C

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

Average daylight in September / Average sunshine in September - Mamoudzou, Mayotte
  • Average daylight in September: 12h

The month with the longest days is December (Average daylight: 12.9h).
The month with shortest days is June (Average daylight: 11.4h).

  • Average sunshine in September: 10h

Months with most sunshine are August, September, October and November (Average sunshine: 10h).
Months with least sunshine are January, February and March (Average sunshine: 7).

Average UV index in September - Mamoudzou, Mayotte
  • Average UV index in September: 12

Months with the highest UV index are January, February, March, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 8).