Hjalteyri Weather in September

September in Hjalteyri sees daytime temperatures around 9°C (48°F) and lows of 4°C (39°F) at night. With around 135 mm (5.3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Hjalteyri in September

Historically, the month has about 16 days of rain, averaging 135 mm (5.3 in) in total. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Hjalteyri in September

In September, Hjalteyri gets low temperatures, with highs of 9°C (48°F). Nights cool to around 4°C (39°F). Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Hjalteyri in September

With limited sunshine this month, there are about 85 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

Wind Speed in Hjalteyri in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in September

With water temperatures around 8°C (46°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

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