Haikou Weather in September

Haikou in September sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 26°C (79°F). Rainfall is at its peak this month, around 238 mm (9.4 in) on average, so waterproofs are essential.

Rainfall in Haikou in September

Haikou is in the rainy season in September, with rain on around 17 days and an average of 238 mm (9.4 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Haikou in September

In September, Haikou sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 26°C (79°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

Sunshine in Haikou in September

Expect sunny days throughout the month, with an estimated 192 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.

Wind Speed in Haikou in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

September in Haikou has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.