Lao Cai Weather in September

September in Lao Cai brings high temperatures, with highs of 30°C (86°F) and nights dropping to 22°C (72°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Lao Cai in September

As part of the rainy season, Lao Cai sees around 16 days of rain in September, with an average of 185 mm (7.3 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Lao Cai in September

Expect highs of 30°C (86°F) in Lao Cai in September, with nights dropping to around 22°C (72°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 22°C (72°F), evenings stay pleasantly warm.

Sunshine in Lao Cai in September

The area enjoys a moderate level of sunlight, with around 101 hours. It's a good balance between sunny and rainy days.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Lao Cai. Our weather planner can help you explore destinations with more pleasant weather conditions.