Sampang weather in September

In September, Sampang sees average daytime highs of 30°C and overnight lows near 26°C, with 18 mm of rain across 2.4 wet days and about 12 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 51% 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 h 06 min by month's end. Set against the rest of the year, September is Sampang's 2nd-clearest and 5th-windiest month. For the whole year in context, see Sampang's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
26°
3rd coldest
Rainfall
18 mm
2.4 wet days
Daylight
12 hours
5:23 AM – 5:20 PM
Cloud cover
43%
2nd clearest
Wind
11 km/h
5th windiest
Solar energy
6.96 kWh/m²
Travel score
5.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in Sampang reaches about 30°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°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)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113026
123026
133026
143026
153026
163026
173026
183026
193026
203026
213026
223026
233026
243126
253126
263126
273126
283126
293126
303126

How September really feels in Sampang

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.

Sampang weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 26°3503012.42.7
Feb30° / 26°32027.312.22.7
Mar30° / 26°33429.7122.7
Apr30° / 26°25325.311.83.1
May30° / 26°10815.511.74.5
Jun29° / 26°601011.65.4
Jul29° / 25°254.711.66.4
Aug29° / 25°51.211.86.7
Sep30° / 26°182.4125.9
Oct31° / 26°7210.212.24.6
Nov31° / 26°20923.412.33.1
Dec30° / 26°35529.412.42.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57228
67129
77129
87129
97129
107030
117030
127030
137030
146931
156931
166832
176832
186733
196733
206733
216733
226733
236733
246634
256634
266634
276634
286535
296535
306436

Chance of precipitation in September

Any precipitation

Sampang gets around 18 mm of rain over 2.4 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 8% and peaks near 15% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
16
26
36
46
56
66
76
87
97
107
117
127
137
147
157
167
178
188
198
209
219
229
2310
2410
2511
2612
2712
2813
2914
3015

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1127693
2126703
3126703
4127702
5227692
6227692
7227683
8127693
9127693
10127693
11127693
12126694
13126694
14126694
15125704
16125695
17124705
18124705
19123706
20122716
21121717
22120727
23019747
24019738
25018748
26018748
27017758
28016759
29015769
30015769

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 5:31 AM to 5:15 AM, and sunset from 5:23 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:315:23
211.95:305:22
311.95:305:22
411.95:295:22
511.95:295:22
611.95:285:22
711.95:285:22
811.95:275:22
911.95:275:21
1011.95:265:21
1111.95:255:21
1211.95:255:21
1311.95:245:21
1411.95:245:21
1512.05:235:20
1612.05:235:20
1712.05:225:20
1812.05:215:20
1912.05:215:20
2012.05:205:20
2112.05:205:19
2212.05:195:19
2312.05:195:19
2412.05:185:19
2512.05:175:19
2612.05:175:19
2712.05:165:18
2812.05:165:18
2912.05:155:18
3012.15:155:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.96 kWh/m².

For context, solar energy here swings from a low near 5.3 kWh/m² to a high of 6.98 kWh/m² in October across the year — September's 6.96 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.9Intense
96.9Intense
106.9Intense
116.9Intense
126.9Intense
136.9Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.1Intense
267.1Intense
277.1Intense
287.1Intense
297.1Intense
307.1Intense
Planning a trip in September

Hazard calendar for Sampang

In seasonPeak

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

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

Sampang'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 Sampang?

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

5.9
Sightseeing
3rd-best month of the year
8.2
Beach & pool
2nd-best month of the year

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

What to pack for Sampang in September

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

In September, Sampang sees daytime highs around 30°C and nights near 26°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Sampang 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 24 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
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Sampang 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 Sampang peaks around March 16 at about 13 (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 16UV 13Jun 17UV 8
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar14Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul10Very high
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme

Air quality in Sampang 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 Sampang is worst in March — around 60 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (August, 36 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyUnhealthyPoorMar 1759 µg/m³Aug 1636 µg/m³
PM2.5 (µg/m³)Level
Jan57Unhealthy
Feb53Poor
Mar60Unhealthy
Apr54Poor
May45Poor
Jun43Poor
Jul39Poor
Aug36Poor
Sep39Poor
Oct48Poor
Nov52Poor
Dec56Unhealthy
Location & terrain

Where is Sampang?

Sampang sits at 7.2°S, 113.2°E, 5 m above sea level, in Indonesia. The nearest listed city is Pamekasan, 26 km away.

Topography around Sampang

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

Within 3 km, the terrain around Sampang has only modest variations in elevation — a maximum elevation change of 74 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 251 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,833 m.

The land around Sampang is covered by cropland (46%) and artificial surfaces (23%) within 3 km, water (40%), trees (24%) and cropland (23%) within 16 km, and water (62%) within 80 km.

3 km
74 m
16 km
251 m
80 km
1,833 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Pamekasan 26 km · Surabaya 54 km · Kamal 57 km · Bangkalan 58 km · Gedangan 61 km · Pasuruan 63 km · Buduran 63 km · Probolinggo 63 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 Sampang (-7.1872°, 113.2394°, elevation 5 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).