Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
September verdict
Excellent for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 9.8h per day, so bright days are a strong part of the month. Rainfall averages 58mm, which is relatively low for holiday planning.
Monthly averages
Temp
27°C
Rain
58mm
Sun
9.8h
Sea
26°C
Weather score
85
Excellent
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 58mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.8h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Compare Nioumachoua, Comoros with nearby places by weather score, rain, sun, temperature, and swim conditions.
September27°C average high
September is on the cooler side of Nioumachoua's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to May and November to December
This stretch sets the upper range for average daytime heat.
September58mm average rain
September is one of Nioumachoua's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJune to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September9.8 hours average sun
September is one of Nioumachoua's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
September26°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 April and December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
September85 weather score
September is one of Nioumachoua's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune and August to November
These months have the strongest weather score in the monthly averages.