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September in Semarang averages a daily high of 34.2°C with nights around 24.4°C. Generally workable, with some weather to plan around.
Across the year, the best time to visit Semarang is December–April.
Based on SEMARANG, ID (2.9km), 1995–2024. 15 years of September data.
See all twelve months for Semarang →