Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
September verdict
Bonny Island, Nigeria in September
Weather score48Mixed
Mixed for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 2.4h per day, so this is not one of the brighter months. Rainfall averages 384mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
27°C
Rain
384mm
Sun
2.4h
Sea
27°C
Weather score
48
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 384mm, so showers are a real planning factor.
Limited sun
Sunshine averages 2.4h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Bonny Island, Nigeria with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September27°C average high
September is on the cooler side of Bonny Island's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to April and December
This stretch sets the upper range for average daytime heat.
Rain
September384mm average rain
September is one of Bonny Island's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September2.4 hours average sun
September is one of Bonny Island's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to February, April to May, and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September27°C average sea
September is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaJanuary to May and December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
September48 weather score
September is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.
