Pontarlier Weather in September

September in Pontarlier averages 19°C (66°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 140 mm (5.5 in) on average. An umbrella is a good idea.

Rainfall in Pontarlier in September

Typically around 13 days of rainfall are expected, averaging 140 mm (5.5 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Pontarlier in September

September in Pontarlier brings pleasant temperatures, with highs of 19°C (66°F) and nights around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Pontarlier in September

The area experiences a moderate amount of sunshine, with approximately 178 hours of sunlight expected. This means a decent mix of sun and overcast.

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.