Annemasse Weather in September

September in Annemasse averages 20°C (68°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 120 mm (4.7 in) on average. An umbrella is a good idea.

Rainfall in Annemasse in September

Records from the past 30 years suggest around 12 days of rain, with 120 mm (4.7 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Annemasse in September

If you're visiting Annemasse in September, expect highs of 20°C (68°F) and overnight lows around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Annemasse in September

The city usually sees around 183 hours of sunlight, indicating a moderately sunny period.

Average water temperature in September

At 20°C (68°F), the water is pleasant for swimming. Most people find this range ideal, cool enough to be refreshing, warm enough to stay in comfortably.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Annemasse.