Temperature in New Jersey in September

Daytime highs, nighttime lows and the warmest cities in New Jersey, the United States of America this September.

New Jersey, the United States of America, a region in the United States of America, experiences high average maximum daytime temperatures in September, ranging from 23°C (73°F) in Budd Lake to 26°C (79°F) in Hammonton. Nighttime temperatures generally drop to 14°C (57°F) in Hammonton and 11°C (52°F) in Budd Lake.

What is the temperature of the different cities in New Jersey, the United States of America in September?

Find the average daytime temperatures in September for the most popular destinations in New Jersey on the map below. Click on a destination dot for more detailed information.

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For a detailed overview over the year and the best time to visit New Jersey, check out our New Jersey's climate page.

See also: New Jersey weather by month.

Best Places to Visit in New Jersey in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across New Jersey.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in New Jersey

New Jersey temperatures in September: frequently asked questions

How hot does it get in New Jersey, the United States of America in September?

Seaside Heights averages a daytime high of 25°C (77°F) in September, which is high for New Jersey, the United States of America.

How cold does it get at night in New Jersey, the United States of America in September?

Nighttime temperatures in Seaside Heights typically drop to around 16°C (61°F) in September.

What is the warmest city in September in New Jersey, the United States of America?

Based on our systematic data collection, Hammonton has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 26°C (79°F), while at night it goes down to an approximate temperature of 14°C (57°F).

What is the coldest city in September in New Jersey, the United States of America?

According to our data, Budd Lake holds the title for the coldest city in New Jersey, the United States of America in September. It experiences maximum temperatures of approximately 23°C (73°F) and drops to lows of about 11°C (52°F) during the night.

How much sun does New Jersey, the United States of America get in September?

Seaside Heights enjoys close to 215 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.

What is the water temperature in September?

The water temperature averages approximately 22°C (72°F) in Cape May this month, good for swimming and cooling off.

Interested in more climate information?

We have much more information about the climate in New Jersey.

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