Semarang in September
- How warm is it in Semarang in September?
- Expect around 34°C (92°F) in the afternoon and 23°C (73°F) at night.
- Can you swim in the sea in Semarang in September?
- Definitely: the sea is around 29°C (84°F), warm enough to stay in for a while.
- Is it too hot in Semarang in September?
- For many visitors, yes — about 34°C (92°F) by day and still 23°C (73°F) at night (humidity 75%). Midday heat is best spent indoors or by the water.
Is September a good time to visit Semarang?
Yes — September is one of the best months to visit Semarang (go score 81/100).
The sea is warm enough for swimming (about 29°C (84°F)). Tourist crowds: busy.
Go score: Very good · #3 of 12 months
Semarang in September: the month in numbers
Weather-wise, September means about 34°C (92°F) at the warmest time of day and 23°C (73°F) at the coolest. There is little difference from August; October is similar at 34°C (93°F). About 4 days see some rain; the monthly total is 76 mm. Of 12 h 6 min between sunrise and sunset, roughly 9 h 36 min are sunny. The sea is pleasant at 29°C (84°F), and it peaks in May at 30°C (86°F).
Visitor numbers: busy. The general price level is very cheap.
The sun is up from 05:40 to 17:39 on the 1st and from 05:25 to 17:34 on the last day. Days get 11 min longer.
Semarang or nearby? The same month in neighbouring destinations
Compared with Semarang in September: Mranggen (11 km) is about as warm; Ungaran (16 km) is 3.5 °C (6 °F) cooler; Demak (27 km) is about as warm.
September falls in the dry season in Java. Month by month
Better weather nearby in September
Boyolangu
Sumberpucung
Kepanjen
Ungaran
Bantul
Pandak
Srandakan
Kutoarjo
Hotels in Semarang
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Frequently asked questions
Is September a good time to visit Semarang?
Yes — September is one of the best months to visit Semarang (go score 81/100). The sea is warm enough for swimming (about 29°C (84°F)). Tourist crowds: busy.
What is the weather like in Semarang in September?
In September, Semarang averages a high of 34°C (92°F) and a low of 23°C (73°F), with 76 mm of rain on about 4 days.
Semarang: sea water temperature
In September: 29°C (84°F) — very warm.
Updated: Climate normals: WorldClim 2.1 (1970–2000) · CRU CL 2.0 (1961–1990) About this data: Climate normals