September weather forecast
Bonny, Nigeria

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Weather in September

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.
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Frequently asked questions

What is the average September temperature in Bonny?

The high-temperature, in September, in Bonny, is 27.3°C (81.1°F), while the low-temperature averages to 23.8°C (74.8°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 31°C (87.8°F).

What is the average humidity in September in Bonny?

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

How much does it rain in Bonny in September?

In September, in Bonny, Nigeria, the rain falls for 28.4 days. Throughout September, 263mm (10.35") of precipitation is accumulated.

What is the sea water temperature in September in Bonny?

In Bonny, Nigeria, the average seawater temperature in September is 26.8°C (80.2°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 Bonny?

In Bonny, the average day length in September is 12h and 8min.

When are sunrise and sunset in September in Bonny?

In September, on the first day of the month, sunrise is at 06:25 and sunset at 18:37. On the last day of the month, in Bonny, Nigeria, sunrise is at 06:18 and sunset at 18:23 WAT.

How many hours of sunshine does Bonny have in September?

In Bonny, the average sunshine duration in September is 5.6h.

What is the month with the lowest UV index in Bonny?

June through September, with an average maximum UV index of 6, are months with the lowest UV index.

How high is the UV index in September in Bonny?

In September, the average daily maximum UV index in Bonny is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in September
Bonny, Nigeria

Average temperature in September - Bonny, Nigeria
  • Average high temperature in September: 27.3°C

The warmest month (with the highest average high temperature) is January (31.8°C).
The month with the lowest average high temperature is July (26.8°C).

  • Average low temperature in September: 23.8°C

The month with the highest average low temperature is March (26°C).
The coldest months (with the lowest average low temperature) are July and August (23.5°C).

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Average pressure in September
Bonny, Nigeria

Average pressure in September - Bonny, Nigeria
  • Average pressure in September: 1012.8mbar

The month with the highest atmospheric pressure is July (1013.6mbar).
The month with the lowest atmospheric pressure is February (1009.7mbar).

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Average wind speed in September
Bonny, Nigeria

Average wind speed in September - Bonny, Nigeria
  • Average wind speed in September: 10.1km/h

The windiest month (with the highest average wind speed) is August (12.1km/h).
The calmest month (with the lowest average wind speed) is October (8.8km/h).

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Average humidity in September
Bonny, Nigeria

Average humidity in September - Bonny, Nigeria
  • Average humidity in September: 85%

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January and December (73%).

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Average rainfall in September
Bonny, Nigeria

Average rainfall in September - Bonny, Nigeria
  • Average rainfall in September: 263mm

The wettest month (with the highest rainfall) is July (374mm).
The driest month (with the least rainfall) is December (34mm).

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Average rainfall days in September
Bonny, Nigeria

Average rainfall days in September - Bonny, Nigeria
  • Average rainfall days in September: 28.4 days

The month with the highest number of rainy days is July (29.9 days).
The month with the least rainy days is January (16.7 days).

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Average sea temperature in September
Bonny, Nigeria

Average sea temperature in September - Bonny, Nigeria
  • Average sea temperature in September: 26.8°C

The best month for swimming (with the highest average sea temperature) is April (29.1°C).
The coldest month (with the lowest average sea temperature) is August (26.3°C).

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Average daylight in September /
Average sunshine in September
Bonny, Nigeria

Average daylight in September / Average sunshine in September - Bonny, Nigeria
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in September: 5h and 4min

The month with the most sunshine is December (Average sunshine: 9h and 30min).
The months with the least sunshine are July and August (Average sunshine: 4h and 24min).

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Average sunshine days in September
Bonny, Nigeria

Average sunshine days in September - Bonny, Nigeria
  • Average sunshine days in September: 1.5 days

The month with the most sunshine days is January (11.5 days).
The months with the least sunshine days are July and August (0.8 days).

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Average UV index in September
Bonny, Nigeria

Average UV index in September - Bonny, Nigeria
  • Average UV index in September: 6

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

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Average cloud cover in September
Bonny, Nigeria

Average cloud cover in September - Bonny, Nigeria
  • Average cloud cover in September: 63

The months with the most cloud cover are July and August (Cloud cover 71).
The months with the least cloud cover are January and December (Cloud cover 22).

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Average visibility in September
Bonny, Nigeria

Average visibility in September - Bonny, Nigeria
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).

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Bonny, Nigeria

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