Weather in St. John's in September
St. John's, Canada averages a high of 16.4°C (61.5°F) and low of 10.9°C (51.6°F) in September, with 10 rain days and 7.5 hours of daily sunshine. Travel score: 63.1/100 (Good). The best time to visit St. John's is August.
High
16°C62°F
Low
11°C52°F
🌧️
10
rain days
☀️
7.5
hrs/day sunshine
💧
81%
humidity
63— Good
September in St. John's is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in St. John's?
How much does it rain in St. John's in September?
St. John's receives an average of 96.2mm of rainfall across 10 rainy days in September. The annual total is 1194.5mm.
What should I pack for St. John's in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 16°C
🎉Visiting Canada in September?
Don't miss any public holidays — check before you book!
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How can I plan my trip to St. John's?
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What is the weather like in other months in St. John's?
Data based on 1994–2024 averages · Last updated: 2024-12-31