Solomon Islands weather in September

Are you planning a trip to Solomon Islands in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Solomon Islands in September?

September in Solomon Islands generally has warm temperatures, with heavy precipitation.

You can expect warm maximum daytime temperatures of around 28°C and nighttime temperatures around 24°C in Honiara.

In September, precipitation varies across different areas. From heavy rainfall in Honiara with an average of 223 mm to heavy rainfall in Munda with 267 mm. The city Honiara usually sees around 193 hours of sunlight, indicating many sunny days.

For specific regional insights in Solomon Islands for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Solomon Islands climate page.

Where to go in Solomon Islands in September

Find the average weather conditions in September for the most popular destinations in Solomon Islands on the map below. Click on a destination dot for more detailed information.

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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).

Popular destinations in Solomon Islands

What is the weather like in September for the 3 most popular destinations in Solomon Islands?

Average weather in Honiara

In September Honiara generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Honiara
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
24°C 
205 hours 
199 mm 
14 days 
28°C 
24°C 
193 hours 
223 mm 
15 days 
October   >> October
>>  
28°C 
24°C 
228 hours 
276 mm 
15 days 
poor 
Climate in Honiara

Average weather in Gizo

In September Gizo generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are poor that month.

Gizo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
26°C 
266 mm 
20 days 
poor 
28°C 
26°C 
261 mm 
19 days 
poor 
October   >> October
>>  
29°C 
26°C 
223 mm 
20 days 
Climate in Gizo

Average weather in Munda

In September Munda generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Munda
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
25°C 
256 mm 
20 days 
29°C 
25°C 
267 mm 
18 days 
poor 
October   >> October
>>  
29°C 
25°C 
244 mm 
19 days 
Climate in Munda

Is your destination not in the list? Have a look at other destinations in Solomon Islands.

Is September the best time to visit Solomon Islands?

In our view, September might not be the best time to travel to Solomon Islands with often unpleasant weather in Honiara.

Generally speaking, the best visiting conditions can be found in June and August offering mostly tolerable weather in Honiara. The weather in January, February, March, April, October, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Solomon Islands. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Solomon Islands? Get detailed 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.