September weather forecast
Mahajanga, Madagascar

September brings a warmth back to Mahajanga, with a noticeable rise in temperature, up to a maximum of 30.9°C (87.6°F). This month marks the transition from cooler to warmer months. It further builds upon August's pleasant conditions, maintaining an ideal atmosphere for both locals and visitors. The increase in sunshine hours enhances the appeal of the city's abundant natural landscape, resulting in September being a desirable time for outdoor activities.

Temperature

The arrival of September in Mahajanga coincides with an average high-temperature of a tropical 30.9°C (87.6°F), indicating a minimal shift from August's 29.8°C (85.6°F). Nighttime temperatures in September average to an agreeable 21.5°C (70.7°F) in Mahajanga, Madagascar.

Heat index

September's mean heat index is evaluated at a tropical 34°C (93.2°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

The months with the lowest humidity in Mahajanga are August and September, with an average relative humidity of 58%.

Rainfall

In September, the rain falls for 3.9 days. Throughout September, 3mm (0.12") of precipitation is accumulated. Throughout the year, in Mahajanga, there are 161.5 rainfall days, and 817mm (32.17") of precipitation is accumulated.

Sea temperature

In Mahajanga, in September, the average water temperature is 26.3°C (79.3°F).
Note: Ideal surface water temperatures for any water activity fall between 25°C (77°F) and 29°C (84.2°F), offering maximum enjoyment for lengthened periods.

Daylight

In September, the average length of the day is 12h and 1min.
On the first day of the month, sunrise is at 06:00 and sunset at 17:49. On the last day of September, in Mahajanga, sunrise is at 05:37 and sunset at 17:51 EAT.

Sunshine

In September, the average sunshine in Mahajanga, Madagascar, is 9.8h.

UV index

The months with the highest UV index in Mahajanga, Madagascar, are January through May, August through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Warning! Sand and water reflections boost the intensity of UV exposure.