Fort Simpson Weather in September

In Fort Simpson, September brings moderate daytime temperatures around 15°C (59°F), with nights cooling to 4°C (39°F). Some rainfall is to be expected.

Rainfall in Fort Simpson in September

Analyzing past climate data, one can expect approximately 9 days of rain, averaging 41 mm (1.6 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Fort Simpson in September

September in Fort Simpson sees highs of 15°C (59°F) and lows of 4°C (39°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Fort Simpson in September

The month brings about 165 hours of sunlight, offering a comfortable mix of sun and overcast.

Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer 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.