Jersey City

New Jersey Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in New Jersey, the United States of America in September.

Planning a getaway to New Jersey, the United States of America this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in New Jersey in September

New Jersey, the United States of America is a region in the United States of America. September in New Jersey generally has warm temperatures, with precipitation levels ranging from moderate to high.

Temperatures

The average maximum temperatures are warm and range 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.

For a closer look at conditions across New Jersey, the United States of America, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Bridgewater with an average of 86 mm (3.4 in) to high rainfall in Budd Lake with 114 mm (4.5 in).

Average sunshine

Most destinations offer generous amounts of sunshine this September. For example, Seaside Heights gets approximately 215 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore New Jersey by month

Pick a month to see the average temperature, rainfall and sunshine in New Jersey — and find the best time to visit. (based on Seaside Heights)

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.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in New Jersey

What is the weather like in September for some of the most popular destinations in New Jersey, the United States of America?

Temperature range in New Jersey (September)

Precipitation variation in New Jersey (September)

Seaside Heights

In September Seaside Heights generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 16°C (61°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
28°C (82°F)
25°C (77°F)
19°C (66°F)
Min temperature
19°C (66°F)
16°C (61°F)
9°C (48°F)
Monthly sun hours
252 hours
215 hours
201 hours
Monthly rainfall
115 mm (4.5 in)
105 mm (4.1 in)
122 mm (4.8 in)
Monthly rainy days
11 days
10 days
11 days
Weather conditions

Cape May

In September Cape May generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
29°C (84°F)
26°C (79°F)
20°C (68°F)
Min temperature
20°C (68°F)
17°C (63°F)
11°C (52°F)
Monthly rainfall
108 mm (4.3 in)
103 mm (4.1 in)
123 mm (4.8 in)
Monthly rainy days
9 days
9 days
11 days
Weather conditions

Mount Laurel

In September Mount Laurel generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
30°C (86°F)
26°C (79°F)
20°C (68°F)
Min temperature
18°C (64°F)
15°C (59°F)
9°C (48°F)
Monthly sun hours
260 hours
218 hours
200 hours
Monthly rainfall
121 mm (4.8 in)
95 mm (3.7 in)
115 mm (4.5 in)
Monthly rainy days
10 days
8 days
10 days
Weather conditions

Newark

In September Newark generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
29°C (84°F)
26°C (79°F)
19°C (66°F)
Min temperature
19°C (66°F)
16°C (61°F)
9°C (48°F)
Monthly sun hours
270 hours
218 hours
213 hours
Monthly rainfall
126 mm (5 in)
91 mm (3.6 in)
110 mm (4.3 in)
Monthly rainy days
11 days
9 days
10 days
Weather conditions

Princeton

In September Princeton generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
29°C (84°F)
26°C (79°F)
19°C (66°F)
Min temperature
17°C (63°F)
13°C (55°F)
7°C (45°F)
Monthly sun hours
252 hours
215 hours
201 hours
Monthly rainfall
123 mm (4.8 in)
88 mm (3.5 in)
121 mm (4.8 in)
Monthly rainy days
11 days
8 days
10 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in New Jersey, in the United States of America.

Popular cities in September

Day & night temperatures, rainfall and average weather in New Jersey in September.

City Weather Day temp Night temp Rainfall
Seaside Heights 25°C (77°F) 16°C (61°F) 105 mm (4.1 in)
Cape May 26°C (79°F) 17°C (63°F) 103 mm (4.1 in)
Mount Laurel 26°C (79°F) 15°C (59°F) 95 mm (3.7 in)
Newark 26°C (79°F) 16°C (61°F) 91 mm (3.6 in)
Princeton 26°C (79°F) 13°C (55°F) 88 mm (3.5 in)
Parsippany 25°C (77°F) 13°C (55°F) 99 mm (3.9 in)

New Jersey weather in September: frequently asked questions

What is the weather like in New Jersey, the United States of America in September?

Expect pleasant weather across New Jersey, the United States of America in September. The popular destination of Seaside Heights averages 25°C (77°F) by day and 16°C (61°F) at night during this month.

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

Daytime temperatures in Seaside Heights peak at roughly 25°C (77°F) in September, dropping to about 16°C (61°F) overnight.

Does New Jersey, the United States of America get a lot of rain in September?

Seaside Heights typically receives notable rainfall in September, about 105 mm (4.1 in) on average across New Jersey, the United States of America.

Is September a Good Time to Visit New Jersey, the United States of America?

In our opinion, September is a good time to visit New Jersey, the United States of America with overall pleasant weather in Seaside Heights.

Generally speaking, May and July provide perfect weather in Seaside Heights. On the other hand, the weather in January, February, March and December tend to be poor.

Interested in more climate information?

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

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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