Mosterøy Weather in September

September in Mosterøy averages 16°C (61°F) during the day and 11°C (52°F) at night. September is part of the rainy season, with around 218 mm (8.6 in) of rainfall and frequent showers.

Rainfall in Mosterøy in September

Mosterøy is in the rainy season in September, with rain on around 25 days and an average of 218 mm (8.6 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Mosterøy in September

Daytime temperatures in Mosterøy reach 16°C (61°F) in September, dropping to 11°C (52°F) at night. During September, you'll experience the summer season. Conditions are often most pleasant around the middle of the day. With overnight lows of 11°C (52°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 Mosterøy in September

With about 142 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Mosterøy. Our weather planner can help you explore destinations with more pleasant weather conditions.