Bengkayang weather in September

In September, Bengkayang sees average daytime highs of 31°C and overnight lows near 23°C, with 198 mm of rain across 23.1 wet days and about 12 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Bengkayang's 6th-clearest and 6th-windiest month. For the whole year in context, see Bengkayang's year-round climate.

Daytime high
31°
6th warmest
Overnight low
23°
9th coldest
Rainfall
198 mm
23.1 wet days
Daylight
12 hours
5:36 AM – 5:37 PM
Cloud cover
86%
6th clearest
Wind
4 km/h
6th windiest
Solar energy
4.95 kWh/m²
Travel score
3.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Bengkayang reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283023
293023
303023

How September really feels in Bengkayang

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bengkayang weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°27326.6123.1
Feb30° / 22°21021.4123.3
Mar30° / 23°21924.4123.0
Apr31° / 23°26727.4122.6
May31° / 23°22325.8122.8
Jun31° / 23°15820.5123.3
Jul31° / 23°14618.5123.6
Aug31° / 23°15019.5123.4
Sep31° / 23°19823.1123.0
Oct30° / 23°31528.7122.7
Nov30° / 23°35829.2122.7
Dec29° / 23°35028.8122.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11090
21189
31189
41090
51090
61090
71090
81090
91090
101090
11991
12991
13991
14991
15991
16892
17892
18892
19892
20892
21793
22793
23793
24793
25793
26694
27694
28694
29694
30694

Chance of precipitation in September

Any precipitation

Bengkayang gets around 198 mm of rain over 23.1 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 78% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
177
277
377
477
576
676
776
876
975
1075
1175
1275
1375
1475
1575
1676
1776
1876
1977
2077
2178
2279
2379
2480
2581
2682
2783
2884
2984
3085

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
118811
218811
318811
418811
518811
618811
718811
818811
918811
1018811
1118811
1218712
1318712
1418712
1518712
1618613
1718613
1818613
1918613
2018613
2118613
2218613
2308713
2408713
2508713
2608713
2708713
2808812
2908812
3008812

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours 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 0 minutes over September. Sunrise moves from 5:41 AM to 5:32 AM, and sunset from 5:42 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:415:42
212.05:415:42
312.05:415:42
412.05:415:41
512.05:405:41
612.05:405:41
712.05:405:40
812.05:395:40
912.05:395:39
1012.05:395:39
1112.05:385:39
1212.05:385:38
1312.05:375:38
1412.05:375:38
1512.05:375:37
1612.05:365:37
1712.05:365:36
1812.05:365:36
1912.05:355:36
2012.05:355:35
2112.05:355:35
2212.05:345:34
2312.05:345:34
2412.05:345:34
2512.05:335:33
2612.05:335:33
2712.05:335:32
2812.05:325:32
2912.05:325:32
3012.05:325:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.95 kWh/m².

For context, solar energy here swings from a low near 4.07 kWh/m² to a high of 5.13 kWh/m² in August across the year — September's 4.95 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Bengkayang?

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

3.0
Sightseeing
6th-best month of the year
4.3
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Bengkayang.

What to pack for Bengkayang in September

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

In September, Bengkayang sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Bengkayang 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 63 km away) is warmest in May at about 30°C and coldest in February near 28°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
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Bengkayang in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bengkayang peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jul 13UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Bengkayang in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Bengkayang is worst in September — around 55 µg/m³ PM2.5 (poor), about 3.9× the cleanest month (January, 14 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1153 µg/m³Jan 1214 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb16Moderate
Mar18Moderate
Apr18Moderate
May17Moderate
Jun17Moderate
Jul24Moderate
Aug48Poor
Sep55Poor
Oct27Moderate
Nov17Moderate
Dec15Moderate
Location & terrain

Where is Bengkayang?

Bengkayang sits at 0.8°N, 109.4°E, 106 m above sea level, in Indonesia. The nearest listed city is Singkawang, 51 km away.

Topography around Bengkayang

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

Within 3 km, the terrain around Bengkayang has significant variations in elevation — a maximum elevation change of 425 m around an average of 157 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,405 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,630 m.

The land around Bengkayang is covered by trees (95%) within 3 km, trees (98%) within 16 km, and trees (85%) within 80 km.

3 km
425 m
16 km
1,405 m
80 km
1,630 m
treesgrasslandcroplandwater
September weather nearby: Singkawang 51 km · Kota Sambas 61 km · Sungai Raya 61 km · Pemangkat 64 km · Pontianak 97 km · Bau 103 km · Lundu 104 km · Tebedu 105 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 Bengkayang (0.8319°, 109.4359°, elevation 106 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).