Weather in Cao Bằng in September
Cao Bằng, Vietnam averages a high of 29.6°C (85.3°F) and low of 22.7°C (72.9°F) in September, with 17 rain days and 8.8 hours of daily sunshine. Travel score: 68.9/100 (Good). The best time to visit Cao Bằng is November.
High
30°C85°F
Low
23°C73°F
🌧️
17
rain days
☀️
8.8
hrs/day sunshine
💧
84%
humidity
69— Good
September in Cao Bằng is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Cao Bằng?
How much does it rain in Cao Bằng in September?
Cao Bằng receives an average of 176.9mm of rainfall across 17 rainy days in September. The annual total is 1828.2mm.
What should I pack for Cao Bằng in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧥
Waterproof jacket
Frequent rain expected (17 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Vietnam 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