Rheinfelden Weather in September

Rheinfelden in September averages 21°C (70°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Rheinfelden in September

Climate statistics over the past 30 years suggest around 13 days of rain, with 100 mm (3.9 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Rheinfelden in September

Expect highs of 21°C (70°F) in Rheinfelden in September, with nights dropping to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Rheinfelden in September

The area experiences a moderate amount of sunshine, with approximately 162 hours of sunlight expected. This means a decent mix of sun and overcast.

So this is a great month to visit if you prefer dry days with pleasant temperatures.