In
September,
Nkhata Bay’s sees an upward shift in the city’s temperatures, 17.4°C (63.3°F) to 28.7°C (83.7°F). Along with longer daylight hours and maximum sunshine, the city slowly usher in the warmer months. The UV index touches its maximum value again, indicating strong sun intensity. Although the rainfall is almost negligible, the relative humidity starts ascending, indicating the transition towards the wet season.
Temperature
The arrival of September is marked by an average high-temperature of a still moderately hot 28.7°C (83.7°F), bearing a close resemblance to
August. Throughout the month of September, Nkhata Bay expects an average low of 17.4°C (63.3°F).
Heat index
The average heat index in September is evaluated at a hot 32°C (89.6°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Nkhata Bay, the average relative humidity in September is 69%.
Rainfall
September is the month with the least rainfall. Rain falls for 1 days and accumulates 3mm (0.12") of precipitation.
Daylight
The average length of the day in September is 12h and 2min.
On the first day of the month, sunrise is at 05:45 and sunset at 17:39. On the last day of September, sunrise is at 05:26 and sunset at 17:38 CAT.
Sunshine
In September, the average sunshine in Nkhata Bay is 10h.
UV index
January through
April, September through
December, with an average maximum UV index of 12, are months with the highest UV index in Nkhata Bay,
Malawi. A UV Index estimate of 11, and higher, represents an excessive health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 12 in September translates into these instructions:
Undertake all critical precautions. Protection from sun harm is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. To reduce the harmful impacts of sun exposure, use a sunscreen with at least 30 SPF. It can save you from sunburns and immune system damage.