Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Solomon Islands in September
Weather score61Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 228mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
30°C
Rain
228mm
Sun
6.1h
Sea
28°C
Weather score
61
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 228mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.1h 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 Solomon Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is close to Solomon Islands' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September228mm average rain
September sits on the drier side of Solomon Islands' year, which helps with sightseeing and transfers.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.1 hours average sun
September is close to Solomon Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary, March to June, and August to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September28°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
September61 weather score
September is one of Solomon Islands' best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril to December
These months have the strongest weather score in the monthly averages.