Allerston Weather in September

During September, Allerston experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 11°C (52°F). As part of the summer season, expect quite a bit of rainfall. Around 71 mm (2.8 in) is typical.

Rainfall in Allerston in September

Past climate data indicates that roughly 15 days will see rain, totalling around 71 mm (2.8 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Allerston in September

September in Allerston brings typical temperatures with highs around 17°C (63°F) and lows of 11°C (52°F). The month of September belongs to the summer season. 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 Allerston in September

The month brings about 140 hours of sunlight, offering a comfortable mix of sun and overcast.

Average water temperature in September

At 14°C (57°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.