Weather in Sleman in September
Sleman, Indonesia averages a high of 30°C (86°F) and low of 20.6°C (69.1°F) in September, with 11 rain days and 10.7 hours of daily sunshine. Travel score: 80.1/100 (Excellent). The best time to visit Sleman is August.
High
30°C86°F
Low
21°C69°F
🌧️
11
rain days
☀️
10.7
hrs/day sunshine
💧
80%
humidity
80— Excellent
September in Sleman is hot and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Sleman?
How much does it rain in Sleman in September?
Sleman receives an average of 79.3mm of rainfall across 11 rainy days in September. The annual total is 2640.4mm.
What should I pack for Sleman in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Indonesia in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31