Solomon Islands weather in September

Many people wonder what kind of weather they can expect in September in Solomon Islands. Is this month a good time to go to Solomon Islands? To answer that question we created this page with all the information you need.

What is the weather like in Solomon Islands in September?

The weather conditions in Solomon Islands in September vary from poor to tolerable depending on the destination.

You can expect warm maximum average daytime temperatures of around 29°C (84°F) and nighttime temperatures around 20°C (69°F) in Honiara.

Precipitation in September varies from heavy in Honiara with an average of 193mm (7.6 inches) of rainfall to heavy in Gizo with 242mm (9.5 inches). It is also generally a sunny time of year with an average of 193 hours of sunshine in Honiara during the entire month.

We invite you to have a look at the map below to discover more about the various weather conditions around Solomon Islands.

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.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches 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 29°C (84°F), minimum nighttime temperatures around 20°C (69°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

Honiara
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
28°C / 83°F 
20°C / 68°F 
205 hours 
207mm / 8.1" 
16 days 
29°C / 84°F 
20°C / 69°F 
193 hours 
193mm / 7.6" 
17 days 
October   >> October
>>  
29°C / 84°F 
21°C / 69°F 
228 hours 
204mm / 8" 
17 days 
Climate in Honiara

Average weather in Gizo

In September Gizo generally has very high temperatures with maximum daytime temperatures around 31°C (87°F), minimum nighttime temperatures around 21°C (71°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Gizo
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
30°C / 86°F 
21°C / 70°F 
251mm / 9.9" 
19 days 
poor 
31°C / 87°F 
21°C / 71°F 
242mm / 9.5" 
18 days 
poor 
October   >> October
>>  
32°C / 89°F 
22°C / 71°F 
227mm / 8.9" 
19 days 
poor 
Climate in Gizo

Average weather in Munda

In September Munda generally has very high temperatures with maximum daytime temperatures around 31°C (87°F), minimum nighttime temperatures around 22°C (71°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Munda
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
30°C / 86°F 
21°C / 70°F 
242mm / 9.5" 
18 days 
poor 
31°C / 87°F 
22°C / 71°F 
231mm / 9.1" 
18 days 
poor 
October   >> October
>>  
32°C / 89°F 
22°C / 72°F 
220mm / 8.7" 
18 days 
poor 
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 go to Solomon Islands?

In our opinion September is a good time to visit Solomon Islands with commonly tolerable weather in Honiara. However, the weather conditions may vary depending on your destination.

On average the best time to visit Solomon Islands is in June with generally pleasant weather in Honiara. The worst months are January, February, March and December that can have poor weather conditions.

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 almost all countries 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 suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.