Weather · Atlantic City, United States

Atlantic City Weather in September

September in Atlantic City averages 25°C by day and 18°C at night, with about 122mm of rain. That makes it a reasonable time to visit.

Avg high

25°C

77°F

Avg low

18°C

64°F

Rainfall

122mm

#3 wettest of 12

What to pack

Summer clothes by day; a light layer for evenings. Bring a compact umbrella for the odd shower.

AugustAll 12 months →October
Visiting in September? Best things to do in Atlantic City (September is quieter, so the hidden gems are less crowded)

Timing a trip around the weather? A Local Friend in Atlantic City builds it around the season for you.