Tachikawa Weather in September

During September, Tachikawa experiences high daytime temperatures of 27°C (81°F) and cooler nights around 20°C (68°F). As the wettest month of the year, and part of the summer season, expect frequent rainfall.

Rainfall in Tachikawa in September

Tachikawa is in the rainy season in September, with rain on around 19 days and an average of 237 mm (9.3 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Tachikawa in September

September in Tachikawa brings typical temperatures with highs around 27°C (81°F) and lows of 20°C (68°F). September is part of summer. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Tachikawa in September

You can expect a moderate amount of sunlight, with approximately 137 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

For Tachikawa itself, May generally stands out with 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.