Honiara weather in September
In September, Honiara sees average daytime highs of 26°C and overnight lows near 23°C, with 209 mm of rain across 24.6 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 9% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Honiara's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Honiara's year-round climate.
- Daytime high
- 26°
- 10th warmest
- Overnight low
- 23°
- 2nd coldest
- Rainfall
- 209 mm
- 24.6 wet days
- Daylight
- 11 h 54 min
- 6:16 AM – 6:13 PM
- Cloud cover
- 75%
- 2nd clearest
- Wind
- 11 km/h
- 3rd windiest
- Solar energy
- 5.2 kWh/m²
- Travel score
- 4.2
- out of 10
Honiara is capital of Solomon Islands, on the tropical island Guadalcanal.
- Density
- 2,559/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 26°C through the month.
A typical September day in Honiara reaches about 26°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°C. Set against its neighbours, September runs on par with August and on par with October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 23 |
| 2 | 26 | 23 |
| 3 | 26 | 23 |
| 4 | 26 | 23 |
| 5 | 26 | 23 |
| 6 | 26 | 23 |
| 7 | 26 | 23 |
| 8 | 26 | 23 |
| 9 | 26 | 23 |
| 10 | 26 | 23 |
| 11 | 26 | 23 |
| 12 | 26 | 23 |
| 13 | 26 | 23 |
| 14 | 26 | 23 |
| 15 | 26 | 23 |
| 16 | 26 | 23 |
| 17 | 26 | 23 |
| 18 | 26 | 23 |
| 19 | 26 | 23 |
| 20 | 26 | 23 |
| 21 | 26 | 23 |
| 22 | 26 | 23 |
| 23 | 26 | 23 |
| 24 | 26 | 23 |
| 25 | 26 | 23 |
| 26 | 26 | 23 |
| 27 | 26 | 23 |
| 28 | 26 | 23 |
| 29 | 26 | 23 |
| 30 | 26 | 23 |
Honiara weather by month
How September compares with the rest of the year at a glance. September is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 24° | 367 | 28.4 | 12.5 | 3.6 |
| Feb | 27° / 24° | 349 | 26.1 | 12.3 | 3.6 |
| Mar | 27° / 24° | 366 | 28.6 | 12.1 | 3.6 |
| Apr | 27° / 24° | 301 | 27.4 | 11.8 | 3.7 |
| May | 27° / 24° | 228 | 27.1 | 11.6 | 3.9 |
| Jun | 26° / 24° | 172 | 24.8 | 11.5 | 4.1 |
| Jul | 26° / 23° | 203 | 25.2 | 11.5 | 4.3 |
| Aug | 26° / 23° | 189 | 24.9 | 11.7 | 4.3 |
| Sep | 26° / 23° | 209 | 24.6 | 11.9 | 4.2 |
| Oct | 26° / 23° | 271 | 27.3 | 12.2 | 3.9 |
| Nov | 27° / 23° | 287 | 26.9 | 12.4 | 3.8 |
| Dec | 27° / 24° | 337 | 27.7 | 12.5 | 3.8 |
Cloud cover in September
The sky is clear or mostly clear about 9% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 73%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 |
| Cloudier (%) | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 73 | 74 | 74 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 74 | 75 | 75 | 75 | 75 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 25 | 75 |
| 2 | 25 | 75 |
| 3 | 25 | 75 |
| 4 | 25 | 75 |
| 5 | 25 | 75 |
| 6 | 25 | 75 |
| 7 | 25 | 75 |
| 8 | 26 | 74 |
| 9 | 26 | 74 |
| 10 | 26 | 74 |
| 11 | 27 | 73 |
| 12 | 26 | 74 |
| 13 | 26 | 74 |
| 14 | 27 | 73 |
| 15 | 27 | 73 |
| 16 | 27 | 73 |
| 17 | 27 | 73 |
| 18 | 28 | 72 |
| 19 | 28 | 72 |
| 20 | 28 | 72 |
| 21 | 28 | 72 |
| 22 | 28 | 72 |
| 23 | 27 | 73 |
| 24 | 27 | 73 |
| 25 | 27 | 73 |
| 26 | 26 | 74 |
| 27 | 25 | 75 |
| 28 | 25 | 75 |
| 29 | 25 | 75 |
| 30 | 25 | 75 |
Chance of precipitation in September
Honiara gets around 209 mm of rain over 24.6 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 82% and peaks near 87% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 81 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 82 | 82 | 82 | 83 | 83 | 84 | 84 | 85 | 85 | 86 | 86 | 87 | 87 | 87 |
| Rain chance (%) | |
|---|---|
| 1 | 81 |
| 2 | 80 |
| 3 | 80 |
| 4 | 80 |
| 5 | 80 |
| 6 | 80 |
| 7 | 80 |
| 8 | 80 |
| 9 | 80 |
| 10 | 80 |
| 11 | 80 |
| 12 | 81 |
| 13 | 81 |
| 14 | 81 |
| 15 | 81 |
| 16 | 81 |
| 17 | 82 |
| 18 | 82 |
| 19 | 82 |
| 20 | 83 |
| 21 | 83 |
| 22 | 84 |
| 23 | 84 |
| 24 | 85 |
| 25 | 85 |
| 26 | 86 |
| 27 | 86 |
| 28 | 87 |
| 29 | 87 |
| 30 | 87 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 89% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 |
| Oppressive (%) | 86 | 86 | 86 | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 89 | 89 | 89 | 89 | 91 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 92 |
| Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|
| 1 | 1 | 13 | 86 |
| 2 | 1 | 13 | 86 |
| 3 | 1 | 13 | 86 |
| 4 | 1 | 13 | 86 |
| 5 | 1 | 13 | 86 |
| 6 | 1 | 13 | 86 |
| 7 | 1 | 12 | 87 |
| 8 | 1 | 12 | 87 |
| 9 | 1 | 12 | 87 |
| 10 | 1 | 12 | 87 |
| 11 | 1 | 11 | 88 |
| 12 | 1 | 11 | 88 |
| 13 | 1 | 11 | 88 |
| 14 | 1 | 11 | 88 |
| 15 | 1 | 11 | 88 |
| 16 | 1 | 11 | 88 |
| 17 | 1 | 11 | 88 |
| 18 | 1 | 10 | 89 |
| 19 | 1 | 10 | 89 |
| 20 | 1 | 10 | 89 |
| 21 | 1 | 10 | 89 |
| 22 | 0 | 9 | 91 |
| 23 | 0 | 9 | 91 |
| 24 | 0 | 9 | 91 |
| 25 | 0 | 9 | 91 |
| 26 | 0 | 9 | 91 |
| 27 | 0 | 8 | 92 |
| 28 | 0 | 8 | 92 |
| 29 | 0 | 8 | 92 |
| 30 | 0 | 8 | 92 |
Wind in September
Winds average 11 km/h in September.
Across September, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 12 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
Sunrise & sunset in September
Daylight runs from about 11 h 48 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over September. Sunrise moves from 6:25 AM to 6:07 AM, and sunset from 6:14 PM to 6:12 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:25 | 6:25 | 6:24 | 6:24 | 6:23 | 6:22 | 6:22 | 6:21 | 6:21 | 6:20 | 6:19 | 6:19 | 6:18 | 6:17 | 6:17 | 6:16 | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 | 6:12 | 6:12 | 6:11 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 | 6:07 |
| Sunset (PM) | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:25 | 6:14 |
| 2 | 11.8 | 6:25 | 6:14 |
| 3 | 11.8 | 6:24 | 6:14 |
| 4 | 11.8 | 6:24 | 6:14 |
| 5 | 11.9 | 6:23 | 6:14 |
| 6 | 11.9 | 6:22 | 6:14 |
| 7 | 11.9 | 6:22 | 6:14 |
| 8 | 11.9 | 6:21 | 6:14 |
| 9 | 11.9 | 6:21 | 6:14 |
| 10 | 11.9 | 6:20 | 6:14 |
| 11 | 11.9 | 6:19 | 6:14 |
| 12 | 11.9 | 6:19 | 6:13 |
| 13 | 11.9 | 6:18 | 6:13 |
| 14 | 11.9 | 6:17 | 6:13 |
| 15 | 11.9 | 6:17 | 6:13 |
| 16 | 11.9 | 6:16 | 6:13 |
| 17 | 12.0 | 6:15 | 6:13 |
| 18 | 12.0 | 6:15 | 6:13 |
| 19 | 12.0 | 6:14 | 6:13 |
| 20 | 12.0 | 6:14 | 6:13 |
| 21 | 12.0 | 6:13 | 6:12 |
| 22 | 12.0 | 6:12 | 6:12 |
| 23 | 12.0 | 6:12 | 6:12 |
| 24 | 12.0 | 6:11 | 6:12 |
| 25 | 12.0 | 6:10 | 6:12 |
| 26 | 12.0 | 6:10 | 6:12 |
| 27 | 12.0 | 6:09 | 6:12 |
| 28 | 12.1 | 6:09 | 6:12 |
| 29 | 12.1 | 6:08 | 6:12 |
| 30 | 12.1 | 6:07 | 6:12 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.2 kWh/m².
For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 5.62 kWh/m² in November across the year — September's 5.2 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.9 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.9 | Bright |
| 4 | 5.0 | Bright |
| 5 | 5.0 | Bright |
| 6 | 5.0 | Bright |
| 7 | 5.0 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.2 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.3 | Bright |
| 17 | 5.3 | Bright |
| 18 | 5.3 | Bright |
| 19 | 5.3 | Bright |
| 20 | 5.3 | Bright |
| 21 | 5.3 | Bright |
| 22 | 5.3 | Bright |
| 23 | 5.3 | Bright |
| 24 | 5.3 | Bright |
| 25 | 5.3 | Bright |
| 26 | 5.3 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.3 | Bright |
Hazard calendar for Honiara
None of Honiara's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Honiara sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is September a good time to visit Honiara?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Honiara for sightseeing.
What to pack for Honiara in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Honiara sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.
Sea temperature near Honiara in September
The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in January at about 30°C and coldest in August near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 30 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 30 | Tropical |
| Feb | 30 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 28 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 30 | Tropical |
UV index in Honiara in September
Clear-sky midday UV in September peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Honiara peaks around March 13 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 10 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 16 | 17 | 14 | 12 | 10 | 10 | 12 | 15 | 15 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 17 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 12 | Extreme |
| Sep | 15 | Extreme |
| Oct | 15 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Where is Honiara?
Honiara sits at 9.4°S, 159.9°E, 49 m above sea level, in Solomon Islands. The nearest listed city is Tandai, 2.0 km away.
Topography around Honiara
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Honiara.
Within 3 km, the terrain around Honiara has only modest variations in elevation — a maximum elevation change of 200 m around an average of 44 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,012 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,309 m.
The land around Honiara is covered by water (41%) and trees (31%) within 3 km, trees (54%) and water (39%) within 16 km, and water (73%) and trees (26%) within 80 km.
Solomon Islands travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 75% of US
- price level, 2025
- GDP per capita
- $2,086
- 2025
- Homicide rate
- 3.7
- per 100k, 2008
- Road deaths
- 16.5
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Honiara (-9.4333°, 159.95°, elevation 49 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).