Solok weather in September

In September, Solok sees average daytime highs of 28°C and overnight lows near 20°C, with 157 mm of rain across 23.5 wet days and about 12 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels muggy.

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 Solok's 5th-clearest and 8th-windiest month. For the whole year in context, see Solok's year-round climate.

Daytime high
28°
5th warmest
Overnight low
20°
8th coldest
Rainfall
157 mm
23.5 wet days
Daylight
12 hours
6:12 AM – 6:12 PM
Cloud cover
83%
5th clearest
Wind
4 km/h
8th windiest
Solar energy
4.73 kWh/m²
Travel score
3.7
out of 10

Solok is city in West Sumatra Province, Indonesia.

Density
1,274/km²
people per km²
Founded
1970

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 28°C through the month.

A typical September day in Solok reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820

Solok weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°19424.7124.0
Feb28° / 20°14620.7124.2
Mar28° / 20°18024.7123.7
Apr28° / 20°20925.7123.4
May29° / 20°15322.5123.8
Jun29° / 20°9718.1124.3
Jul29° / 20°10719.1124.3
Aug29° / 20°13721.3124.0
Sep28° / 20°15723.5123.7
Oct28° / 20°18125.2123.7
Nov28° / 20°25526.1123.7
Dec27° / 20°22825.4123.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11585
21585
31585
41684
51783
61783
71783
81783
91783
101684
111585
121585
131585
141486
151585
161387
171387
181189
191189
20991
21991
22991
23892
24892
25892
26793
27793
28793
29793
30793

Chance of precipitation in September

Any precipitation

Solok gets around 157 mm of rain over 23.5 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 79% and peaks near 80% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
177
277
377
477
577
677
777
877
978
1078
1178
1278
1378
1478
1578
1679
1779
1879
1980
2080
2180
2280
2380
2480
2579
2679
2779
2880
2980
3080

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
16922
26922
37912
47912
57912
67912
77912
87912
97912
107912
117921
127921
137921
146931
156931
165941
175941
185932
194942
204942
214942
224942
234942
244933
254933
264933
274933
284924
294924
304924

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 6:18 AM to 6:06 AM, and sunset from 6:17 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:186:17
212.06:176:16
312.06:176:16
412.06:166:16
512.06:166:15
612.06:166:15
712.06:156:15
812.06:156:14
912.06:156:14
1012.06:146:14
1112.06:146:13
1212.06:136:13
1312.06:136:13
1412.06:136:12
1512.06:126:12
1612.06:126:12
1712.06:116:11
1812.06:116:11
1912.06:116:11
2012.06:106:10
2112.06:106:10
2212.06:096:09
2312.06:096:09
2412.06:096:09
2512.06:086:08
2612.06:086:08
2712.06:086:08
2812.06:076:07
2912.06:076:07
3012.06:066:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.73 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 4.73 kWh/m² in September across the year — September's 4.73 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Is September a good time to visit Solok?

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

3.7
Sightseeing
8th-best month of the year
4.5
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Solok.

What to pack for Solok in September

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

In September, Solok sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Solok 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 32 km away) is warmest in May at about 30°C and coldest in October 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
Jan29Tropical
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Solok 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 Solok peaks around February 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 15UV 16Jun 23UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec13Extreme

Air quality in Solok 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 Solok is worst in October — around 36 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (December, 20 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateOct 1235 µg/m³Dec 1620 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb23Moderate
Mar24Moderate
Apr22Moderate
May23Moderate
Jun23Moderate
Jul24Moderate
Aug24Moderate
Sep33Moderate
Oct36Poor
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Solok?

Solok sits at 0.8°S, 100.7°E, 392 m above sea level, in Indonesia. The nearest listed city is Sijunjung, 37 km away.

Topography around Solok

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

Within 3 km, the terrain around Solok has only modest variations in elevation — a maximum elevation change of 97 m around an average of 399 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,659 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,877 m.

The land around Solok is covered by cropland (45%), trees (31%) and artificial surfaces (23%) within 3 km, trees (80%) within 16 km, and trees (75%) and water (20%) within 80 km.

3 km
97 m
16 km
1,659 m
80 km
2,877 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Sijunjung 37 km · Padang 38 km · Padangpanjang 47 km · Pariaman 63 km · Bukittinggi 63 km · Payakumbuh 65 km · Sungai Penuh 162 km · Pekanbaru 170 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 Solok (-0.8006°, 100.6571°, elevation 392 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).