Last updated: June 18, 2025
In Port Rowan, Canada, the average temperature in September hovers around 19°C (67°F). Expect a minimum of 11°C (52°F) and a maximum of 27°C (80°F), providing a pleasant range for outdoor activities. During this month, precipitation totals about 85 mm (3.3 in) over 9 days, contributing to an average humidity level of 81%. Be prepared for a lovely blend of warmth and moisture!
In September in Port Rowan, the average temperature is 19°C (67°F). Maximums can reach 27°C (80°F), and minimums can be as low as 11°C (52°F). This makes it an ideal time for travelers to enjoy a comfortable climate while exploring the area.
In Port Rowan in September, the precipitation amount is 85 mm (3.3 in) over the course of 9 days.
In Port Rowan in September humidity is 81%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket enveloping you, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick, prompting you to seek shade and hydration frequently.
In Port Rowan in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Port Rowan.
UV Risk Categories
Weather in Port Rowan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Port Rowan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (30°F) | 91 mm (3.6 inches) | 90% | low |
| February Weather | -2°C (29°F) | 89 mm (3.5 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 92 mm (3.6 inches) | 87% | moderate |
| April Weather | 4°C (40°F) | 104 mm (4.1 inches) | 87% | very high |
| May Weather | 10°C (51°F) | 106 mm (4.2 inches) | 82% | very high |
| June Weather | 17°C (64°F) | 80 mm (3.2 inches) | 81% | very high |
| July Weather | 22°C (72°F) | 89 mm (3.5 inches) | 79% | very high |
| August Weather | 22°C (72°F) | 87 mm (3.4 inches) | 80% | very high |
| September Weather | 19°C (67°F) | 85 mm (3.3 inches) | 81% | very high |
| October Weather | 14°C (57°F) | 132 mm (5.2 inches) | 84% | high |
| November Weather | 6°C (43°F) | 115 mm (4.5 inches) | 88% | moderate |
| December Weather | 2°C (36°F) | 109 mm (4.3 inches) | 87% | low |