Grou Weather in September

September in Grou sees daytime temperatures around 19°C (66°F) and lows of 12°C (54°F) at night. With around 85 mm (3.3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Grou in September

This month experiences about 17 days of rain according to historical data, averaging 85 mm (3.3 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Grou in September

In September, Grou sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 12°C (54°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Grou in September

The area enjoys a moderate level of sunlight, with around 154 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Grou in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.