Yellowknife Weather in September

September in Yellowknife sees daytime temperatures around 12°C (54°F) and lows of 5°C (41°F) at night. Pack a rain jacket because some rainfall is likely.

Rainfall in Yellowknife in September

Analyzing past climate data, one can expect approximately 10 days of rain, averaging 48 mm (1.9 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Yellowknife in September

September in Yellowknife brings moderate temperatures, with highs of 12°C (54°F) and nights around 5°C (41°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Yellowknife in September

The area enjoys a balanced 157 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Should you favor a climate that's both dry and comfortably warm, July typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.