Honiara weather in September (Guadalcanal, Solomon Islands)

This month is known as a warm month. The average maximum daytime temperature in Honiara in September lies at 31.0°C (87.8°F). The average minimum temperature is 22.0°C (71.6°F) (usually the minimum temperature is noted at night).

The amount of rain during this month is high with an average of 96mm (3.8in). It rains an average of 13 days of the month. The sun also shows itself regularly this month with 193 hours of sunshine during the entire month.


So what to wear in September? Visitors traveling to Honiara should plan on bringing a totally waterproof coat since it will often be raining. However, also bring your summer cloths because it can be very warm or even hot. With a water temperature of around 28.0°C (82.4°F), this is a great month to swim so bring your swimwear.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages in September

Show in Celsius

Min Temperature 71 °F
Max Temperature 87 °F
Water Temperature 82 °F
Chance of Rain 43%
Precipitation 4 in
Rainy Days 13
Sunshine Hours 193

 

Where to stay in Honiara

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.

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 / 3.5inch a month).

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
8/10
Outdoor sports
7/10

Weather Forecasts for Honiara (Guadalcanal)

MON   Jan 30
81°F | 77°F
WNW 7 mph
1.72 in
Heavy rain

Heavy rain

TUE   Jan 31
83°F | 73°F
NW 7 mph
0.35 in
Moderate rain

Moderate rain

WED   Feb 01
84°F | 76°F
SW 4 mph
0.30 in
Moderate rain

Moderate rain

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