Thailand weather today, 21 September: heavy rain in 53 provinces, Bangkok heavy rain
TMD's bulletin of 21 September 2026 expects heavy rain in 53 provinces, very heavy in Chachoengsao, Chanthaburi, Chon Buri. Bangkok: fairly widespread showers and isolated heavy rain, 24-33°C. The story Thailand weather today, 21 September: heavy rain in 53 provinces, Bangkok heavy rain as seen on Thaiger News .