Besuki weather in September

In September, Besuki sees average daytime highs of 31°C and overnight lows near 23°C, with 22 mm of rain across 3.2 wet days and about 12 hours of daylight. It is the 2nd-warmest and 11th-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 40% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Besuki's 2nd-clearest and 1st-windiest month. For the whole year in context, see Besuki's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
23°
4th coldest
Rainfall
22 mm
3.2 wet days
Daylight
12 hours
5:21 AM – 5:18 PM
Cloud cover
50%
2nd clearest
Wind
6 km/h
1st windiest
Solar energy
6.33 kWh/m²
Travel score
5.4
out of 10

Besuki is village in Situbondo Regency, East Java, Indonesia.

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 31°C through the month.

A typical September day in Besuki 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 29°C and 32°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123

How September really feels in Besuki

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.

Besuki weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°41830.112.42.9
Feb29° / 24°39027.412.32.8
Mar29° / 24°34128.912.13.0
Apr29° / 24°24425.611.83.3
May30° / 23°871611.74.5
Jun30° / 23°459.611.65.3
Jul30° / 22°255.111.65.9
Aug30° / 22°82.511.76.0
Sep31° / 23°223.2125.4
Oct31° / 24°8011.212.24.4
Nov30° / 24°21622.812.43.4
Dec29° / 24°39529.212.42.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
26832
36832
46832
56634
66634
76634
86634
96535
106535
116535
126535
136535
146436
156436
166436
176436
186436
196436
206436
216436
226337
236337
246238
256139
266139
275941
285941
295842
305743

Chance of precipitation in September

Any precipitation

Besuki gets around 22 mm of rain over 3.2 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 11% and peaks near 19% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
19
28
38
48
58
68
78
88
98
108
118
129
139
149
159
1610
1710
1811
1911
2012
2112
2213
2314
2414
2515
2616
2717
2817
2918
3019

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11147213
21147213
31147213
41147213
51147213
61147312
71147312
81147312
91147312
101147213
111147213
121147213
131147114
141147015
151147015
161146916
171146817
181136917
191136818
201126819
211126720
221126621
231116622
241116622
251106623
260106624
270106525
280106426
29096427
30096328

Wind in September

Winds average 6 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 6 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
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 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 12 minutes over September. Sunrise moves from 5:29 AM to 5:13 AM, and sunset from 5:20 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:295:20
211.95:295:20
311.95:285:20
411.95:285:20
511.95:275:20
611.95:275:20
711.95:265:20
811.95:255:19
911.95:255:19
1011.95:245:19
1111.95:245:19
1211.95:235:19
1311.95:235:19
1411.95:225:19
1512.05:215:18
1612.05:215:18
1712.05:205:18
1812.05:205:18
1912.05:195:18
2012.05:185:18
2112.05:185:18
2212.05:175:17
2312.05:175:17
2412.05:165:17
2512.05:165:17
2612.05:155:17
2712.05:145:17
2812.05:145:17
2912.15:135:16
3012.15:135:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.33 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 6.4 kWh/m² in October across the year — September's 6.33 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Besuki

In seasonPeak

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

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

Besuki's monsoon runs November–April, when most of the year's rain falls.

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

Is September a good time to visit Besuki?

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

5.4
Sightseeing
3rd-best month of the year
7.8
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Besuki for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Besuki in September

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

In September, Besuki sees daytime highs around 31°C and nights near 23°C. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

Sea temperature near Besuki in September

The nearest coast averages about 28°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 15 km away) is warmest in November 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.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Besuki 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 Besuki peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 17UV 14Jun 17UV 8
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun8Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Besuki 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 Besuki is worst in January — around 33 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1633 µg/m³May 2022 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb30Moderate
Mar31Moderate
Apr25Moderate
May22Moderate
Jun23Moderate
Jul27Moderate
Aug23Moderate
Sep23Moderate
Oct31Moderate
Nov28Moderate
Dec30Moderate
Location & terrain

Where is Besuki?

Besuki sits at 7.7°S, 113.7°E, 6 m above sea level, in Indonesia. The nearest listed city is Balung, 24 km away.

Topography around Besuki

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

Within 3 km, the terrain around Besuki has only modest variations in elevation — a maximum elevation change of 42 m around an average of 8 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,738 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,219 m.

The land around Besuki is covered by cropland (41%) and water (24%) within 3 km, trees (46%) and water (44%) within 16 km, and water (44%) and trees (41%) within 80 km.

3 km
42 m
16 km
1,738 m
80 km
3,219 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Balung 24 km · Bondowoso 24 km · Panarukan 25 km · Kraksaan 33 km · Situbondo 35 km · Panji 44 km · Jember 49 km · Probolinggo 53 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 Besuki (-7.7338°, 113.6979°, elevation 6 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. 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).