Sundbyberg Weather in September

Sundbyberg in September averages 17°C (63°F) during the day and 9°C (48°F) at night. Some rainfall is typical for this time of year.

Rainfall in Sundbyberg in September

You can expect rain on roughly 15 days based on historical data, averaging 56 mm (2.2 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Sundbyberg in September

Sundbyberg in September gets highs of 17°C (63°F) during the day and drops to 9°C (48°F) at night. Conditions are often most pleasant around the middle of the day. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Sundbyberg in September

The area enjoys a moderate level of sunlight, with around 171 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Sundbyberg in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in September

The water is 15°C (59°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.