St. Lawrence Gap Weather in September

September in St. Lawrence Gap averages 30°C (86°F) during the day and 27°C (81°F) at night. Quite a bit of rainfall is typical this month, with around 150 mm (5.9 in) on average. An umbrella is a good idea.

Rainfall in St. Lawrence Gap in September

Historically, the month has about 16 days of rain, averaging 150 mm (5.9 in) in total. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in St. Lawrence Gap in September

In September, expect high temperatures in St. Lawrence Gap, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.

Sunshine in St. Lawrence Gap in September

There are approximately 233 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in St. Lawrence Gap 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.

Average water temperature in September

The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May and December typically offer the best weather for St. Lawrence Gap.