Weather in Khon Kaen in September
Khon Kaen, Thailand averages a high of 30.2°C (86.4°F) and low of 23.9°C (75°F) in September, with 23 rain days and 8.6 hours of daily sunshine. Travel score: 64.7/100 (Good). The best time to visit Khon Kaen is January.
High
30°C86°F
Low
24°C75°F
🌧️
23
rain days
☀️
8.6
hrs/day sunshine
💧
84%
humidity
65— Good
September in Khon Kaen is hot and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Khon Kaen?
How much does it rain in Khon Kaen in September?
Khon Kaen receives an average of 249.3mm of rainfall across 23 rainy days in September. The annual total is 1183.9mm.
What should I pack for Khon Kaen in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 30°C
🧢
Sun hat or cap
Protection from intense sun
🧥
Waterproof jacket
Frequent rain expected (23 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 Thailand 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