Annette Island Weather in September

During September, Annette Island experiences moderate daytime temperatures of 14°C (57°F) and cooler nights around 11°C (52°F). September sits within the rainy season, and part of the summer season, so expect regular and often heavy rainfall.

Rainfall in Annette Island in September

Annette Island is in the rainy season in September, with rain on around 18 days and an average of 313 mm (12 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.

Temperature in Annette Island in September

Daytime highs in Annette Island in September reach 14°C (57°F), with nights around 11°C (52°F). During September, the summer season is in full swing. Conditions are often most pleasant around the middle of the day. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Annette Island in September

You can expect a moderate amount of sunlight, with approximately 111 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

Wind Speed in Annette Island in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June and July typically offer the best weather for Annette Island.