September weather forecast
Bonny, Nigeria

September in Bonny unveils a further decrease in rainfall down to 263mm (10.35"), signaling the departure of the predominant rainy season. The temperatures stay fairly steady, with a maximum of 27.3°C (81.1°F) and a minimum of 23.8°C (74.8°F). This month marks a crucial transition in Bonny's weather. Balancing the reducing rains, the sunshine hours begin to rise again, brightening up Bonny's landscape. The weather in September outlines an enchanting blend of rain showers and sunny afternoons.

Temperature

As September takes hold, the average high-temperature is a still warm 27.3°C (81.1°F), nearly mirroring that of the previous month. Bonny in September experiences a minor decline in temperature, with an average low of 23.8°C (74.8°F) at night.

Heat index

The heat index for September is appraised at a tropical 31°C (87.8°F). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In Bonny, the average relative humidity in September is 85%.

Rainfall

In Bonny, Nigeria, during September, the rain falls for 28.4 days and regularly aggregates up to 263mm (10.35") of precipitation. Throughout the year, there are 300.7 rainfall days, and 1894mm (74.57") of precipitation is accumulated.

Sea temperature

In Bonny, in September, the average water temperature is 26.8°C (80.2°F).
Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.

Daylight

In September, the average length of the day in Bonny is 12h and 8min.
On the first day of September in Bonny, sunrise is at 06:25 and sunset at 18:37. On the last day of the month, sunrise is at 06:18 and sunset at 18:23 WAT.

Sunshine

The average sunshine in September is 5.6h.

UV index

The months with the lowest UV index in Bonny are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take note! Sand and water reflections strengthen the Sun's UV exposure.