Honiara weather in September (Guadalcanal, Solomon Islands)

What can you expect from the weather in Honiara during September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Honiara generally has high temperatures and heavy rainfall. Anticipate daytime temperatures around 28°C, while night temperatures can drop to 24°C.

Honiara in September falls under the rainy season with heavy rainfall, averaging around 223 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 15 days of the month will see rainfall.

The days are predominantly sunny, with an estimated total of around 193 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

In case you lean more towards enjoying temperate temperatures and rain-free days June and August typically offer the most optimal weather. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Honiara climate page with graphs.

 

Honiara, monthly averages in September

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 28°C  
Water TemperatureWater Temperature 28°C  
Chance of RainChance of Rain 48%  
PrecipitationPrecipitation 223 mm  
Rainy daysRainy days 15 days  
HumidityHumidity 73%  
SunshineSunshine 193 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Solomon Islands in September

Find out more about the weather in Solomon Islands in September and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Honiara in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 28°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Honiara.

Our site offers climate and forecast data for every country in the world. Are you going to Solomon Islands? On this website you can find historical weather averages for many cities in Solomon Islands. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.