Tegal weather in September

In September, Tegal sees average daytime highs of 29°C and overnight lows near 26°C, with 37 mm of rain across 6.7 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 29°C through the month. The sky is clear or mostly clear about 39% 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 Tegal's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Tegal's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
26°
3rd coldest
Rainfall
37 mm
6.7 wet days
Daylight
12 hours
5:39 AM – 5:37 PM
Cloud cover
52%
3rd clearest
Wind
8 km/h
3rd windiest
Solar energy
6.39 kWh/m²
Travel score
5.7
out of 10

Tegal is city in Central Java Province, Indonesia.

Density
7,489/km²
people per km²
Founded
1580

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 29°C through the month.

A typical September day in Tegal reaches about 29°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 30°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)
12925
22925
32925
42925
52925
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
183026
193026
203026
213026
223026
233026
243026
253026
263026
273026
283026
293026
303026

How September really feels in Tegal

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.

Tegal 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
Jan29° / 26°39229.712.43.0
Feb29° / 26°34127.212.22.9
Mar29° / 26°29029.5122.9
Apr29° / 26°21926.211.93.2
May30° / 27°12419.411.74.1
Jun29° / 26°8213.111.65.0
Jul29° / 25°518.911.65.8
Aug29° / 25°266.311.86.2
Sep29° / 26°376.7125.7
Oct30° / 26°10314.912.24.6
Nov29° / 26°22724.412.33.4
Dec29° / 26°34328.912.42.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66337
76337
86238
96238
106238
116139
126040
136040
146040
155941
165941
175941
185842
195842
205743
215743
225743
235743
245644
255644
265545
275446
285347
295248
305149

Chance of precipitation in September

Any precipitation

Tegal gets around 37 mm of rain over 6.7 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 23% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
223
323
423
522
622
721
821
920
1020
1120
1219
1319
1419
1519
1620
1720
1821
1921
2022
2123
2224
2325
2425
2526
2627
2728
2828
2929
3030

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1010846
2010846
3010846
4010846
5010855
6010855
7110845
8110845
9110845
10110845
11110845
12110836
1319846
1419846
1519837
1618838
1718838
1818829
1907849
20078310
21068311
22068311
23068212
24058213
25058213
26058213
27058114
28058114
29048214
30048214

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:47 AM to 5:31 AM, and sunset from 5:39 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:475:39
211.95:475:39
311.95:465:39
411.95:465:39
511.95:455:39
611.95:445:38
711.95:445:38
811.95:435:38
911.95:435:38
1011.95:425:38
1111.95:425:38
1211.95:415:37
1311.95:415:37
1411.95:405:37
1512.05:395:37
1612.05:395:37
1712.05:385:36
1812.05:385:36
1912.05:375:36
2012.05:375:36
2112.05:365:36
2212.05:355:36
2312.05:355:35
2412.05:345:35
2512.05:345:35
2612.05:335:35
2712.05:335:35
2812.05:325:35
2912.05:325:34
3012.15:315:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.39 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 6.39 kWh/m² in September across the year — September's 6.39 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
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 Tegal

In seasonPeak

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

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

Tegal'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 Tegal?

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

5.7
Sightseeing
3rd-best month of the year
7.5
Beach & pool
2nd-best month of the year

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

What to pack for Tegal in September

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

In September, Tegal sees daytime highs around 29°C and nights near 26°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Tegal 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 offshore is warmest in May at about 30°C and coldest in February 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
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Tegal in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tegal peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 14Nov 16UV 6
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov6High
Dec12Extreme

Air quality in Tegal 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 Tegal is worst in May — around 42 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateMay 1641 µg/m³Feb 1231 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb31Moderate
Mar37Poor
Apr38Poor
May42Poor
Jun38Poor
Jul35Moderate
Aug35Moderate
Sep36Poor
Oct37Poor
Nov34Moderate
Dec33Moderate
Location & terrain

Where is Tegal?

Tegal sits at 6.9°S, 109.1°E, 7 m above sea level, in Indonesia. The nearest listed city is Dukuhturi, 7.0 km away.

Topography around Tegal

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

Within 3 km, the terrain around Tegal has only modest variations in elevation — a maximum elevation change of 17 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 152 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Tegal is covered by artificial surfaces (60%) within 3 km, water (41%) and cropland (27%) within 16 km, and trees (44%) and water (34%) within 80 km.

3 km
17 m
16 km
152 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Dukuhturi 7.0 km · Adiwerna 8.0 km · Tarub 8.0 km · Slawi 12 km · Lebaksiu 20 km · Bulakamba 20 km · Balapulang 20 km · Pemalang 27 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 Tegal (-6.8694°, 109.1402°, elevation 7 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).