Affoltern Weather in September

September in Affoltern brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 116 mm (4.6 in), so pack an umbrella.

Rainfall in Affoltern in September

Analyzing past climate data, one can expect approximately 13 days of rain, averaging 116 mm (4.6 in). 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 Affoltern in September

September in Affoltern brings pleasant temperatures, with highs of 19°C (66°F) and nights around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Affoltern in September

The area enjoys a moderate level of sunlight, with around 176 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Affoltern.