Solomon Islands

Solomon Islands Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Solomon Islands in September.

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

What to Expect in Solomon Islands in September

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

Temperatures

You can expect warm maximum daytime temperatures of around 28°C (82°F) and nighttime temperatures around 24°C (75°F) in Honiara.

To explore the conditions in Solomon Islands in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Honiara with an average of 223 mm (8.8 in) to heavy rainfall in Buala with 306 mm (12 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Honiara sees close to 193 hours of sunlight, making it great for sun lovers.

Explore Solomon Islands by month

Best Places to Visit in Solomon Islands in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Solomon Islands.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Solomon Islands

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

Temperature range in Solomon Islands (September)

Precipitation variation in Solomon Islands (September)

Honiara

In September Honiara generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
205 hours
193 hours
228 hours
Monthly rainfall
199 mm (7.8 in)
223 mm (8.8 in)
276 mm (11 in)
Monthly rainy days
14 days
15 days
15 days
Weather conditions

Gizo

In September Gizo generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly rainfall
266 mm (10 in)
261 mm (10 in)
223 mm (8.8 in)
Monthly rainy days
20 days
19 days
20 days
Weather conditions

Munda

In September Munda generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
256 mm (10 in)
267 mm (11 in)
244 mm (9.6 in)
Monthly rainy days
20 days
18 days
19 days
Weather conditions

Buala

In September Buala generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
294 mm (12 in)
306 mm (12 in)
317 mm (12 in)
Monthly rainy days
18 days
18 days
18 days
Weather conditions

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Solomon Islands in September.

City Weather Day temp Night temp Rainfall
Honiara 28°C (82°F) 24°C (75°F) 223 mm (8.8 in)
Gizo 28°C (82°F) 26°C (79°F) 261 mm (10 in)
Munda 29°C (84°F) 25°C (77°F) 267 mm (11 in)
Buala 29°C (84°F) 25°C (77°F) 306 mm (12 in)

Solomon Islands weather in September: frequently asked questions

What is the weather like in Solomon Islands in September?

Solomon Islands typically experiences unpleasant weather in September, part of the season. Daytime highs in Honiara average around 28°C (82°F), and temperatures drop to about 24°C (75°F) at night.

What is the average temperature in Solomon Islands in September?

Honiara averages a daytime maximum of 28°C (82°F) in September, with overnight lows close to 24°C (75°F).

Does Solomon Islands get a lot of rain in September?

Expect plenty of rainfall. Honiara records an average of 223 mm (8.8 in) in September, putting it among the wetter months for Solomon Islands.

Is September a Good 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.

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.