Jekulo weather in September

In September, Jekulo sees average daytime highs of 31°C and overnight lows near 23°C, with 35 mm of rain across 6.8 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 35% 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 Jekulo's 3rd-clearest and 4th-windiest month. For the whole year in context, see Jekulo's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
23°
3rd coldest
Rainfall
35 mm
6.8 wet days
Daylight
12 hours
5:32 AM – 5:30 PM
Cloud cover
54%
3rd clearest
Wind
8 km/h
4th windiest
Solar energy
6.72 kWh/m²
Travel score
4.6
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 Jekulo 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 30°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193223
203223
213223
223224
233224
243224
253224
263224
273224
283224
293224
303224

How September really feels in Jekulo

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.

Jekulo 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
Jan30° / 24°35429.412.42.7
Feb30° / 24°3172712.22.7
Mar30° / 24°30629122.6
Apr31° / 24°24426.211.92.8
May31° / 24°12519.111.73.7
Jun30° / 24°7912.911.64.5
Jul30° / 23°448.411.65.1
Aug31° / 23°235.211.85.3
Sep31° / 23°356.8124.6
Oct32° / 24°11914.912.23.7
Nov31° / 24°26124.712.32.8
Dec30° / 24°3582912.42.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26535
36436
46436
56436
66436
76436
86337
96337
106238
116238
126139
136139
146040
155941
165941
175743
185743
195644
205545
215545
225347
235347
245248
255050
265050
275050
284951
294852
304753

Chance of precipitation in September

Any precipitation

Jekulo gets around 35 mm of rain over 6.8 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 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
120
220
320
419
519
619
719
820
920
1020
1120
1220
1320
1420
1521
1621
1722
1822
1923
2024
2124
2225
2326
2426
2527
2628
2729
2830
2931
3032

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1444502
2443512
3442522
4442522
5442522
6541522
7541522
8441532
9441532
10441532
11441532
12441532
13441532
14341533
15341533
16341533
17341524
18241534
19241534
20241525
21241525
22141535
23141526
24140536
25140536
26140536
27139546
28139546
29138556
30037576

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 5:40 AM to 5:24 AM, and sunset from 5:32 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:405:32
211.95:395:32
311.95:395:32
411.95:385:32
511.95:385:31
611.95:375:31
711.95:375:31
811.95:365:31
911.95:365:31
1011.95:355:31
1111.95:355:30
1211.95:345:30
1311.95:335:30
1412.05:335:30
1512.05:325:30
1612.05:325:30
1712.05:315:29
1812.05:315:29
1912.05:305:29
2012.05:295:29
2112.05:295:29
2212.05:285:28
2312.05:285:28
2412.05:275:28
2512.05:275:28
2612.05:265:28
2712.05:265:28
2812.05:255:27
2912.05:255:27
3012.15:245:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.72 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.98 kWh/m² to a high of 6.72 kWh/m² in September across the year — September's 6.72 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for Jekulo

In seasonPeak

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

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

Jekulo's rainy season runs November–April, when most of the year's rain falls.

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

Is September a good time to visit Jekulo?

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

4.6
Sightseeing
3rd-best month of the year
7.0
Beach & pool
3rd-best month of the year

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

What to pack for Jekulo in September

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

In September, Jekulo sees daytime highs around 31°C and nights near 23°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Jekulo 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 30 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
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Jekulo 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 Jekulo peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 15UV 14Nov 16UV 7
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov7High
Dec12Extreme

Air quality in Jekulo 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 Jekulo is worst in May — around 45 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1944 µg/m³Feb 1129 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb29Moderate
Mar35Poor
Apr39Poor
May45Poor
Jun42Poor
Jul38Poor
Aug35Poor
Sep37Poor
Oct39Poor
Nov37Poor
Dec34Moderate
Location & terrain

Where is Jekulo?

Jekulo sits at 6.8°S, 110.9°E, 15 m above sea level, in Indonesia. The nearest listed city is Baekrajan, 9.0 km away.

Topography around Jekulo

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

Within 3 km, the terrain around Jekulo has only modest variations in elevation — a maximum elevation change of 111 m around an average of 19 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 907 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,006 m.

The land around Jekulo is covered by cropland (40%), trees (28%) and artificial surfaces (24%) within 3 km, cropland (45%) and trees (34%) within 16 km, and water (37%), trees (35%) and cropland (22%) within 80 km.

3 km
111 m
16 km
907 m
80 km
2,006 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Baekrajan 9.0 km · Kudus 9.0 km · Gebog 12 km · Pati 14 km · Welahan 23 km · Pecangaan 27 km · Juwana 27 km · Purwodadi 31 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 Jekulo (-6.8057°, 110.9262°, elevation 15 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).