Temperature in Newfoundland and Labrador in September

Daytime highs, nighttime lows and the warmest cities in Newfoundland and Labrador, Canada this September.

Newfoundland and Labrador, Canada, a region in Canada, experiences maximum daytime temperatures in September ranging from 12°C (54°F) in Battle Harbour to 19°C (66°F) in Grand Falls -Windsor. Nighttime temperatures generally drop to 8°C (46°F) in Grand Falls -Windsor and 7°C (45°F) in Battle Harbour. September is part of the summer season

What is the temperature of the different cities in Newfoundland and Labrador, Canada in September?

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

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Check the conditions for any month of the year.

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

See also: Newfoundland and Labrador weather by month.

Best Places to Visit in Newfoundland and Labrador in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Newfoundland and Labrador.

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 Newfoundland and Labrador

Newfoundland and Labrador temperatures in September: frequently asked questions

How hot does it get in Newfoundland and Labrador, Canada in September?

St. John's averages a daytime high of 17°C (63°F) in September, which is moderate for Newfoundland and Labrador, Canada.

How cold does it get at night in Newfoundland and Labrador, Canada in September?

After dark, St. John's cools to about 10°C (50°F) on an average September night.

What is the warmest city in September in Newfoundland and Labrador, Canada?

Based on our systematic data collection, Grand Falls -Windsor has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 19°C (66°F), while at night it goes down to an approximate temperature of 8°C (46°F).

What is the coldest city in September in Newfoundland and Labrador, Canada?

The coldest city in September in Newfoundland and Labrador, Canada is Battle Harbour when we check our database. The maximum daytime temperatures are around 12°C (54°F) and minimum nighttime temperatures fall around 7°C (45°F).

How much sun does Newfoundland and Labrador, Canada get in September?

St. John's usually sees around 170 hours of sunlight, indicating a moderately sunny period.

Interested in more climate information?

We have much more information about the climate in Newfoundland and Labrador.

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

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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