In the middle of autumn, Hanoi is still hot at 38 degrees Celsius

Cross-referenced facts

What more than one outlet reports

Prism keeps a sentence only when at least two write-ups share the same core details. Adjectives that signal a take are stripped. This is not a verdict — it is the overlapping record.

Headlines in this cluster diverge enough that no sentence repeated cleanly. Shared names and figures are listed below; treat single-source claims as unverified here.