The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Wonosobo Weather in September

Wonosobo in September

The short of it: Wonosobo in September averages a high of 26 °C (79 °F) and a low of 18 °C (64 °F), with 105 mm (4.1 in) of rain and about 12 h 4 min of daylight. Rated 3 of 5 for a visit; the best months are August and July. Source: TerraClimate climate normals, 1991–2020.

Average high 26° · low 18° · rain 105 mm · daylight 12 h 4 min

✦✦✦ Fair for a visit · best months: August & July

September in Wonosobo brings afternoons near 26° and nights around 18°, with about 105 mm of rain over the month. Much like August: highs about 26°, nights near 18°. Easy travelling weather. Wet spells are common — about 105 mm, the 10th wettest month.

The sun is up for about 12 h 4 min in mid-September.

For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are August and July.

Against its neighbours, Wonosobo runs cooler than most and wetter than most in September. Kebon Gunung, 36 km to the SSE, is 3° warmer by day.

September in Wonosobo, by the numbers

Warmth rank
10th warmest of 12
Rain rank
10th wettest of 12
Versus August
about the same, 49 mm more rain
Versus October
1° colder
Day–night spread
9°
Snow season
seldom any
Daylight, mid-month
12 h 4 min
Average wind
7 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Kebon GunungCentral Java36 km SSE30°21°53 mm
MagelangCentral Java37 km ESE29°20°51 mm
KutoarjoCentral Java40 km S31°22°56 mm
MertoyudanCentral Java40 km ESE30°21°48 mm
WeleriCentral Java47 km NNE32°22°52 mm
MuntilanCentral Java50 km ESE28°20°53 mm
GombongCentral Java51 km WSW31°22°88 mm
KedungwuniCentral Java52 km NNW33°22°61 mm
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The Almanac · Wonosobo Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Fair
The Almanac Speaks
September
✦✦✦✦✦

Much like August: highs about 26°, nights near 18°. Easy travelling weather. Wet spells are common — about 105 mm, the 10th wettest month.

Climate of Wonosobo by month
MonthHighLowRainWindDaylightVisit
January27°19°420 mm4 km/h12 h 30 min✦✦✦
February27°19°412 mm4 km/h12 h 21 min✦✦✦
March27°19°429 mm5 km/h12 h 10 min✦✦✦
April27°19°357 mm5 km/h11 h 57 min✦✦✦
May27°19°213 mm5 km/h11 h 47 min✦✦✦
June27°18°129 mm6 km/h11 h 42 min✦✦✦
July26°17°75 mm6 km/h11 h 44 min✦✦✦
August26°17°56 mm7 km/h11 h 52 min✦✦✦✦
September26°18°105 mm7 km/h12 h 4 min✦✦✦
October27°19°208 mm6 km/h12 h 17 min✦✦✦
November27°19°373 mm4 km/h12 h 28 min✦✦✦
December27°19°463 mm4 km/h12 h 33 min✦✦✦

Questions Readers Ask about Wonosobo in September

Answered from the wire & the Almanac

What is the weather like in Wonosobo in September?

Days average 26 °C (79 °F) and nights 18 °C (64 °F), with about 105 mm (4.1 in) of rain over the month. Much like August: highs about 26°, nights near 18°. Easy travelling weather. Wet spells are common — about 105 mm, the 10th wettest month.

Is September a good time to visit Wonosobo?

The Almanac gives September 3 of 5 (fair). The best months are August and July.

How long are the days in Wonosobo in September?

In mid-September the sun is up for about 12 h 4 min. The days are lengthening — from 11 h 42 min in June to 12 h 33 min in December.

Does it snow in Wonosobo in September?

Hardly — September nights average 18 °C (64 °F), above freezing.

What should I pack for Wonosobo in September?

Light clothes and a jacket for the evening, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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