September 2025 Surface Temperature Analysis
In September 2025, several regions experienced warmer-than-normal surface temperatures, particularly over the northern sections of Myanmar, Lao PDR, Vietnam and Borneo, and western and southern portions of Indonesia.
Elsewhere, no other significant and widespread temperature anomalies were noted.
The maps on the right (top to bottom) indicate the observed temperature for September 2025, along with the climatological normal from 1991 to 2020, providing context for the anomaly map on the left.
