Arawa weather in September

In September, Arawa sees average daytime highs of 27°C and overnight lows near 22°C, with 328 mm of rain across 27.2 wet days and about 12 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Arawa's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Arawa's year-round climate.

Daytime high
27°
9th warmest
Overnight low
22°
2nd coldest
Rainfall
328 mm
27.2 wet days
Daylight
12 hours
6:33 AM – 6:31 PM
Cloud cover
82%
2nd clearest
Wind
6 km/h
3rd windiest
Solar energy
4.99 kWh/m²
Travel score
3.7
out of 10

Arawa is human settlement.

Founded
1884

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical September day in Arawa reaches about 27°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12622
22622
32622
42622
52622
62622
72622
82622
92622
102722
112722
122722
132722
142722
152722
162722
172722
182722
192722
202722
212722
222722
232722
242722
252722
262722
272722
282722
292722
302722

Arawa weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 22°35929.512.33.4
Feb27° / 22°36027.112.23.3
Mar27° / 22°37629.6123.4
Apr27° / 22°35228.811.93.4
May27° / 22°3262911.73.6
Jun26° / 22°31928.111.63.6
Jul26° / 22°36029.611.73.6
Aug26° / 21°34427.511.83.8
Sep27° / 22°32827.2123.7
Oct27° / 22°33528.412.13.6
Nov27° / 22°32027.412.33.6
Dec27° / 22°37429.212.43.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51585
61585
71585
81585
91486
101486
111486
121486
131585
141585
151585
161684
171684
181783
191783
201783
211783
221783
231783
241783
251783
261783
271783
281684
291585
301585

Chance of precipitation in September

Any precipitation

Arawa gets around 328 mm of rain over 27.2 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 91% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
291
391
491
591
691
791
891
991
1091
1191
1291
1391
1491
1591
1691
1791
1891
1991
2091
2191
2291
2391
2491
2591
2691
2791
2891
2991
3091

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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 85% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
101585
201585
311584
411683
511683
611683
711683
811683
911683
1011683
1111683
1211683
1311683
1411683
1511584
1611584
1711584
1811584
1911485
2011485
2101486
2201387
2301387
2401387
2501387
2601288
2701288
2801288
2901288
3001288

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over September. Sunrise moves from 6:41 AM to 6:26 AM, and sunset from 6:34 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:416:34
211.96:416:34
311.96:406:34
411.96:406:33
511.96:396:33
611.96:386:33
711.96:386:33
811.96:376:33
911.96:376:32
1011.96:366:32
1111.96:366:32
1211.96:356:32
1311.96:356:32
1412.06:346:31
1512.06:346:31
1612.06:336:31
1712.06:336:31
1812.06:326:31
1912.06:316:30
2012.06:316:30
2112.06:306:30
2212.06:306:30
2312.06:296:30
2412.06:296:30
2512.06:286:29
2612.06:286:29
2712.06:276:29
2812.06:276:29
2912.06:266:29
3012.06:266:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.99 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 5.34 kWh/m² in November across the year — September's 4.99 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Arawa

In seasonPeak

None of Arawa's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Arawa sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Arawa?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.7
Sightseeing
2nd-best month of the year
3.7
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Arawa.

What to pack for Arawa in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Arawa sees daytime highs around 27°C and nights near 22°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.

rain gearlight clothessun protection

Sea temperature near Arawa 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 at the nearest coast (about 13 km away) is warmest in December at about 30°C and coldest in August near 29°C.

The water stays above 20°C all year — warm enough for a swim any month.

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct30Tropical
Nov30Tropical
Dec30Tropical

UV index in Arawa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arawa peaks around February 20 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 16Jun 19UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Arawa?

Arawa sits at 6.2°S, 155.6°E, 28 m above sea level, in Papua New Guinea. The nearest listed city is Kokopo, 421 km away.

KokopoKimbe

Topography around Arawa

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arawa.

Within 3 km, the terrain around Arawa has significant variations in elevation — a maximum elevation change of 483 m around an average of 101 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,577 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,698 m.

The land around Arawa is covered by trees (71%) and water (22%) within 3 km, trees (62%) and water (36%) within 16 km, and water (57%) and trees (43%) within 80 km.

3 km
483 m
16 km
1,577 m
80 km
2,698 m
treesgrasslandartificial surfaceswater
September weather nearby: Kokopo 421 km · Nggosi 597 km · Honiara 600 km · Tandai 601 km · Kola'a 602 km · Vura 604 km · Panatina 605 km · Kimbe 605 km

Papua New Guinea travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type I
240 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$3,020
2025
Homicide rate
9.3
per 100k, 2010
Road deaths
12.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Protestant 64%Roman Catholic 26%other Christian 5%non-Christian 1%

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 Arawa (-6.2298°, 155.566°, elevation 28 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).