Fakfak weather in September

In September, Fakfak sees average daytime highs of 26°C and overnight lows near 24°C, with 151 mm of rain across 20.4 wet days and about 12 hours of daylight. It is the 10th-warmest and 10th-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 6% 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 Fakfak's 5th-clearest and 5th-windiest month. For the whole year in context, see Fakfak's year-round climate.

Daytime high
26°
10th warmest
Overnight low
24°
3rd coldest
Rainfall
151 mm
20.4 wet days
Daylight
12 hours
6:06 AM – 6:05 PM
Cloud cover
77%
5th clearest
Wind
13 km/h
5th windiest
Solar energy
5.65 kWh/m²
Travel score
4.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Fakfak reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°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.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12624
22624
32624
42624
52624
62624
72624
82624
92624
102624
112624
122624
132624
142624
152624
162624
172624
182624
192624
202624
212624
222624
232624
242624
252624
262624
272624
282624
292624
302624

Fakfak weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°30729.212.23.5
Feb27° / 25°28325.912.13.5
Mar27° / 24°34229.4123.5
Apr27° / 25°35728.411.93.5
May27° / 25°25726.511.94.0
Jun26° / 24°2222411.84.3
Jul26° / 24°14220.911.84.9
Aug25° / 24°10616.811.95.5
Sep26° / 24°15120.4124.9
Oct26° / 24°20322.912.14.5
Nov27° / 25°19925.712.13.9
Dec27° / 25°28629.212.23.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32179
42179
52179
62179
72179
82080
92179
102179
112179
122179
132179
142278
152278
162278
172278
182377
192377
202377
212377
222476
232476
242476
252476
262575
272575
282575
292575
302476

Chance of precipitation in September

Any precipitation

Fakfak gets around 151 mm of rain over 20.4 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 68% and peaks near 72% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
164
265
365
466
566
667
767
867
967
1067
1167
1267
1367
1466
1566
1667
1767
1867
1967
2067
2168
2268
2369
2469
2570
2670
2771
2871
2971
3072

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1397
2496
3496
4496
5496
6496
7496
8496
9595
10595
11595
12595
13595
14595
15595
16595
17595
18496
19496
20496
21397
22397
23298
24298
25298
26199
27199
28199
29199
30199

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112calm
2212calm
2312calm
2412calm
2512calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 6:12 AM to 5:59 AM, and sunset from 6:09 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:126:09
211.96:126:09
311.96:116:08
412.06:116:08
512.06:116:08
612.06:106:08
712.06:106:07
812.06:096:07
912.06:096:07
1012.06:086:06
1112.06:086:06
1212.06:076:06
1312.06:076:06
1412.06:076:05
1512.06:066:05
1612.06:066:05
1712.06:056:04
1812.06:056:04
1912.06:046:04
2012.06:046:04
2112.06:036:03
2212.06:036:03
2312.06:026:03
2412.06:026:02
2512.06:026:02
2612.06:016:02
2712.06:016:02
2812.06:006:01
2912.06:006:01
3012.05:596:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.65 kWh/m².

For context, solar energy here swings from a low near 4.87 kWh/m² to a high of 5.96 kWh/m² in October across the year — September's 5.65 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Is September a good time to visit Fakfak?

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

4.9
Sightseeing
2nd-best month of the year
4.6
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Fakfak for sightseeing.

What to pack for Fakfak in September

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

In September, Fakfak sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

Sea temperature near Fakfak in September

The nearest coast averages about 27°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 24 km away) is warmest in April at about 30°C and coldest in August near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug27Warm
Sep27Warm
Oct28Tropical
Nov29Tropical
Dec30Tropical

UV index in Fakfak 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 Fakfak peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 16Jun 22UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Fakfak?

Fakfak sits at 2.9°S, 132.3°E, 71 m above sea level, in Indonesia. The nearest listed city is Bintuni, 164 km away.

ManokwariTualNabireWaisai

Topography around Fakfak

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

Within 3 km, the terrain around Fakfak has significant variations in elevation — a maximum elevation change of 378 m around an average of 113 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,048 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,439 m.

The land around Fakfak is covered by trees (56%) and water (34%) within 3 km, trees (60%) and water (40%) within 16 km, and water (70%) and trees (29%) within 80 km.

3 km
378 m
16 km
1,048 m
80 km
1,439 m
treesgrasslandartificial surfaceswater
September weather nearby: Bintuni 164 km · Teminabuan 168 km · Sorong 255 km · Ransiki 261 km · Manokwari 302 km · Tual 305 km · Nabire 359 km · Waisai 359 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Fakfak (-2.9248°, 132.2981°, elevation 71 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. 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).