Thailand weather today, 20 September: heavy rain in 43 provinces, Bangkok heavy rain
TMD's bulletin of 20 September 2026 expects heavy rain in 43 provinces. Bangkok: fairly widespread showers and isolated heavy rain, 24-33°C. Forecast window 06:00 Today To 06:00 Tomorrow. The story Thailand weather today, 20 September: heavy rain in 43 provinces, Bangkok heavy rain as seen on Thaiger News .