Ya'an Weather in September

With daytime temperatures of 24°C (75°F) and nighttime lows of 18°C (64°F), September in Ya'an brings high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Ya'an in September

As part of the rainy season, Ya'an sees around 18 days of rain in September, with an average of 204 mm (8 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Ya'an in September

Daytime highs in Ya'an in September reach 24°C (75°F), with nights around 18°C (64°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

If you prefer enjoying temperate temperatures and rain-free days, April, May, June and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.