Last updated: June 18, 2025
In September, the average temperature in Dunham, Canada is a mild 16°C (60°F). However, temperatures can vary significantly, with a minimum of -3°C (27°F) and a maximum soaring to 30°C (87°F). This month sees an average precipitation of 77 mm (3.0 in), spread across 11 days, contributing to a relatively high average humidity of 78%. Prepare accordingly for a blend of cool and warm days!
In September in Dunham, the average temperature is 16°C (60°F), with maximums reaching 30°C (87°F) and minimums dropping as low as -3°C (27°F). This wide temperature range makes it essential for travelers to pack layers to comfortably enjoy all that Dunham has to offer.
In Dunham in September, the precipitation amount is 77 mm (3.0 in) over the course of 11 days.
In Dunham in September humidity is 78%. With an average temperature of 16°C (60°F), this humidity feels like a damp embrace, making travel a bit uncomfortable as the air clings to your skin and leaves you feeling sticky.
In Dunham in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Dunham.
UV Risk Categories
Weather in Dunham varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Dunham, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -8°C (18°F) | 94 mm (3.7 inches) | 93% | low |
February Weather | -6°C (21°F) | 88 mm (3.5 inches) | 92% | moderate |
March Weather | -2°C (29°F) | 91 mm (3.6 inches) | 86% | moderate |
April Weather | 6°C (43°F) | 119 mm (4.7 inches) | 85% | high |
May Weather | 13°C (56°F) | 106 mm (4.2 inches) | 80% | very high |
June Weather | 18°C (65°F) | 117 mm (4.6 inches) | 74% | very high |
July Weather | 21°C (70°F) | 118 mm (4.7 inches) | 76% | very high |
August Weather | 20°C (68°F) | 117 mm (4.6 inches) | 75% | very high |
September Weather | 16°C (60°F) | 77 mm (3.0 inches) | 78% | high |
October Weather | 10°C (49°F) | 148 mm (5.8 inches) | 86% | moderate |
November Weather | 1°C (34°F) | 128 mm (5.0 inches) | 88% | moderate |
December Weather | -5°C (24°F) | 87 mm (3.4 inches) | 89% | low |