Weather in Surabaya in September
Surabaya, Indonesia averages a high of 32.7°C (90.9°F) and low of 24.4°C (75.9°F) in September, with 3 rain days and 11.2 hours of daily sunshine. Travel score: 92.9/100 (Excellent). The best time to visit Surabaya is August.
High
33°C91°F
Low
24°C76°F
🌧️
3
rain days
☀️
11.2
hrs/day sunshine
💧
66%
humidity
93— Excellent
September in Surabaya is hot and dry — excellent conditions for exploring.
What are the average temperatures in Surabaya?
How much does it rain in Surabaya in September?
Surabaya receives an average of 18.9mm of rainfall across 3 rainy days in September. The annual total is 1688.6mm.
What should I pack for Surabaya in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 33°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting Indonesia in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31