Kalifornien Weather in September

Kalifornien in September sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 70 mm (2.8 in), so pack a rain jacket to stay dry.

Rainfall in Kalifornien in September

You can expect rain on roughly 15 days based on historical data, averaging 70 mm (2.8 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Kalifornien in September

September in Kalifornien sees highs of 19°C (66°F) and lows of 12°C (54°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 12°C (54°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 Kalifornien in September

The month brings about 155 hours of sunlight, offering a comfortable mix of sun and overcast.

If you prefer enjoying temperate temperatures and rain-free days, 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.