Temperature in New Brunswick in September

Daytime highs, nighttime lows and the warmest cities in New Brunswick, Canada this September.

New Brunswick, Canada, a region in Canada, experiences maximum daytime temperatures in September ranging from 17°C (63°F) in North Head to 21°C (70°F) in Saint Stephen. Nighttime temperatures generally drop to 9°C (48°F) in Saint Stephen and 13°C (55°F) in North Head.

What is the temperature of the different cities in New Brunswick, Canada in September?

To get a sense of September's typical temperatures in the key spots of New Brunswick, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

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

See also: New Brunswick weather by month.

Best Places to Visit in New Brunswick in September

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

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 Brunswick

New Brunswick temperatures in September: frequently asked questions

How hot does it get in New Brunswick, Canada in September?

Expect daytime temperatures around 21°C (70°F) in Moncton. That makes September a pleasant month for New Brunswick, Canada.

How cold does it get at night in New Brunswick, Canada in September?

Average overnight lows in New Brunswick, Canada during September sit near 10°C (50°F) in Moncton.

What is the warmest city in September in New Brunswick, Canada?

Based on our systematic data collection, Saint Stephen has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 21°C (70°F), while at night it goes down to an approximate temperature of 9°C (48°F).

What is the coldest city in September in New Brunswick, Canada?

For the month of September, North Head is the most temperate city in New Brunswick, Canada based on our records. Highs average 17°C (63°F) and nighttime temperatures dip to around 13°C (55°F).

How much sun does New Brunswick, Canada get in September?

Most cities enjoy a balanced amount of sunshine, with around 173 hours of sunlight anticipated in Moncton. This ensures the days are neither too dim nor excessively sunny.

Interested in more climate information?

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

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