36 places · 1991–2020 normals

Where is it
hot in September?

Daytime highs averaging 28°C or more.

September normals for places qualifying as hot — one place per weather station, at most three per country, largest first
PlaceDayNightRainWet days
GuangzhouChina31.9°C24.2°C236 mm11
LahorePakistan34.2°C25.2°C90 mm4
WuhanChina28.8°C20.8°C86 mm6
HangzhouChina28.8°C21.2°C137 mm10
TehranIran32°C20.8°C1 mm0
SingaporeSingapore31.6°C24.7°C159 mm11
Los AngelesUnited States28.8°C18.1°C3 mm0
DubaiUnited Arab Emirates39.5°C28.8°C0 mm0
OsakaJapan29.5°C21.6°C148 mm10
HaiphongVietnam31°C24.4°C233 mm11
AlgiersAlgeria29.7°C17.6°C29 mm4
NagoyaJapan29°C20.7°C228 mm12
HoustonUnited States32.5°C22.2°C103 mm6
MashhadIran29.8°C14°C12 mm0
GaziantepTurkey32.5°C16.5°C8 mm1
TashkentUzbekistan29°C13.4°C5 mm1
HyderabadPakistan36.2°C25.1°C30 mm1
DiyarbakırTurkey33.3°C15.7°C9 mm1
PhoenixUnited States38.1°C25.4°C15 mm2
FukuokaJapan28.5°C21.3°C192 mm11
Ciudad JuárezMexico31.4°C18.1°C39 mm4
Kuala LumpurMalaysia32.8°C23.9°C210 mm13
TabrizIran28.9°C15.3°C4 mm1
AntalyaTurkey31.7°C19.8°C26 mm2
MexicaliMexico39.3°C23.5°C5 mm0
ZamboangaPhilippines32.5°C24.1°C200 mm14
KingstonJamaica33.2°C25.3°C142 mm7
CancúnMexico33.6°C23.9°C179 mm12
Thanh HóaVietnam30.6°C24.6°C321 mm12
OranAlgeria29.3°C17.9°C16 mm3
VinhVietnam30.9°C24.9°C461 mm13
TunisTunisia30.6°C20.3°C54 mm5
SevillaSpain31.6°C18.4°C35 mm3
AthensGreece28.9°C20°C17 mm2
MacauMacao31.3°C25.2°C182 mm9
SamarkandUzbekistan28.8°C12.8°C3 mm0

Lists are capped at one place per station because roughly a hundred settlements share each one, and at three per country so a single large country cannot fill the table. A place missing here is not disqualified — it may simply sit behind a bigger neighbour on the same station.