Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
September verdict
Santa Cruz Islands, Solomon Islands in September
Weather score52Mixed
Mixed for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 6.6h per day, enough for a balanced month. Rainfall averages 386mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
29°C
Rain
386mm
Sun
6.6h
Sea
28°C
Weather score
52
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 386mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.6h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Santa Cruz Islands, Solomon Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September29°C average high
September is close to Santa Cruz Islands' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September386mm average rain
September is wetter than Santa Cruz Islands' yearly average, so flexible plans matter more.
Driest monthsApril, June, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.6 hours average sun
September is close to Santa Cruz Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary, April, and August to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September28°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 June and October to December
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
September52 weather score
September is close to Santa Cruz Islands' usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.