36 places · 1991–2020 normals

Where is it
dry in September?

Under 20 mm of rain across no more than four wet days, and mild enough to be outside.

September normals for places qualifying as dry — one place per weather station, at most three per country, largest first
PlaceDayNightRainWet days
TehranIran32°C20.8°C1 mm0
Los AngelesUnited States28.8°C18.1°C3 mm0
DubaiUnited Arab Emirates39.5°C28.8°C0 mm0
ÜrümqiChina23.1°C12.2°C19 mm3
MashhadIran29.8°C14°C12 mm0
GaziantepTurkey32.5°C16.5°C8 mm1
TashkentUzbekistan29°C13.4°C5 mm1
TijuanaMexico26.9°C16.1°C4 mm1
DiyarbakırTurkey33.3°C15.7°C9 mm1
PhoenixUnited States38.1°C25.4°C15 mm2
TabrizIran28.9°C15.3°C4 mm1
San DiegoUnited States24.9°C18.8°C3 mm1
MexicaliMexico39.3°C23.5°C5 mm0
OranAlgeria29.3°C17.9°C16 mm3
AthensGreece28.9°C20°C17 mm2
SamarkandUzbekistan28.8°C12.8°C3 mm0
AstrakhanRussia24.7°C12.6°C16 mm3
KashgarChina26.7°C13.4°C7 mm2
AktobeKazakhstan22.1°C7.2°C14 mm3
ElazığTurkey31°C12.3°C9 mm1
Tel AvivIsrael31.1°C21.2°C1 mm0
JiuquanChina22.9°C8.3°C12 mm2
AntofagastaChile17.6°C12.8°C0 mm0
Al HoceïmaMorocco27°C20.6°C19 mm3
Las Palmas de Gran CanariaSpain27.3°C21.6°C4 mm1
NukusUzbekistan27.9°C11.8°C1 mm1
SemeyKazakhstan20.5°C4.6°C15 mm4
AtyrauKazakhstan24.6°C12.4°C8 mm2
Petaẖ TiqvaIsrael31.7°C21.9°C0 mm0
AricaChile19°C15.2°C1 mm0
Santa Cruz de TenerifeSpain28.1°C21.9°C5 mm1
BiskraAlgeria34.7°C23.3°C20 mm3
TownsvilleAustralia28.4°C17.9°C10 mm1
IquiqueChile18.6°C14.2°C0 mm0
AlmeríaSpain28.2°C20.1°C16 mm2
BeershebaIsrael32.9°C19.6°C0 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.