Le Grand-Bornand Weather in September

Le Grand-Bornand in September sees moderate daytime temperatures of 18°C (64°F) and nighttime lows of 7°C (45°F). Rainfall is fairly high this month at around 126 mm (5 in), so pack a rain jacket to stay dry.

Rainfall in Le Grand-Bornand in September

Historically, September sees about 13 days of rain, with a monthly average of 126 mm (5 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Le Grand-Bornand in September

Daytime highs in Le Grand-Bornand in September reach 18°C (64°F), with nights around 7°C (45°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Le Grand-Bornand in September

Enjoy a sunny month with about 191 hours of sunshine, the clear skies make Le Grand-Bornand even more beautiful.

If you prefer dry days with pleasant temperatures, 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.