Kirkkonummi Weather in September

September in Kirkkonummi typically sees daytime highs of 16°C (61°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Kirkkonummi in September

The climate data from previous years indicates about 19 days of rain, averaging 70 mm (2.8 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Kirkkonummi in September

In September, Kirkkonummi gets moderate temperatures, with highs of 16°C (61°F). Nights cool to around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. 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 Kirkkonummi in September

The month experiences a moderate amount of sunlight, with 151 hours of sunshine. This provides a nice balance between sunshine and clouds.

For Kirkkonummi itself, July and August generally stand out with 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.