Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
September verdict
Sulu Islands, Philippines in September
Weather score64Good
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 194mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
29°C
Rain
194mm
Sun
6.2h
Sea
29°C
Weather score
64
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 194mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Sulu Islands, Philippines with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September29°C average high
September is on the cooler side of Sulu Islands' year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to May and October to December
This stretch sets the upper range for average daytime heat.
Rain
September194mm average rain
September sits near Sulu Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.2 hours average sun
September is below Sulu Islands' yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September29°C average sea
September is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
September64 weather score
September sits close to Sulu Islands' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April, August to September, and December
These months have the strongest weather score in the monthly averages.