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Solomon IslandsSolomon Islands Guadalcanal
Guadalcanal Solomon Islands
Weather in September
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Weather in September in Guadalcanal

Planning a journey to Guadalcanal this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Guadalcanal in September?

Guadalcanal is a region in Solomon Islands. September in Guadalcanal generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 28°C and nighttime temperatures around 24°C in Honiara. To learn more about the conditions in specific areas of Guadalcanal in September, check out the map below.

For a closer look at conditions across Guadalcanal, refer to the map below.

Precipitation

September is a very rainy month with an average rainfall of around 223 mm in Honiara.

Average sunshine

The days are mostly sunny, with an average total of around 193 hours of sunshine in Honiara. The sunlight during this month doesn't just make the days brighter, it also seems to make everyone a bit more cheerful.

For more details on the yearly climate, visit our Guadalcanal climate page.

Where to go in Guadalcanal in September

Find more information for the most popular destinations in the Guadalcanal on the map below. Click on a destination dot for more details.

Weather conditions Weather
Temperatures
Precipitation
Map not visible? Whoops sorry! Please refresh the page.
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).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Solomon Islands, check out our Guadalcanal's climate page.

Popular destinations

What is the weather like in September for the most popular destinonation in Guadalcanal?

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 
tolerable 
September September
28°C 
24°C 
193 hours 
223 mm 
15 days 
unpleasant 
October   >> October
>>  
28°C 
24°C 
228 hours 
276 mm 
15 days 
poor 
Climate in Honiara

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

Is September the best time to visit Guadalcanal?

In our opinion, September may not be the ideal time to visit Guadalcanal due to the typically unpleasant weather in Honiara.

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

Interested in more climate information?

We have much more information about the climate in Guadalcanal.

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 travel conditions. Find out where to go with our weather planner.