Last updated: June 18, 2025
In Yarmouth, Canada, the average temperature in September is a comfortable 15°C (60°F), with a minimum dipping to 9°C (48°F) and a maximum reaching 20°C (69°F). Expect about 112 mm (4.4 in) of precipitation over approximately 8 days, accompanied by an average humidity of 83%. Enjoy the mild climate!
In September in Yarmouth, the average temperature is 15°C (60°F). Maximums can reach 20°C (69°F), while minimums can be as low as 9°C (48°F). This moderate climate makes it an ideal time for sightseeing and outdoor activities.
In Yarmouth in September, the total precipitation amount is 112 mm (4.4 in) spread over 8 days.
In Yarmouth in September humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.
In Yarmouth 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 Yarmouth.
UV Risk Categories
Weather in Yarmouth varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yarmouth, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (33°F) | 109 mm (4.3 inches) | 85% | low |
February Weather | 0°C (32°F) | 137 mm (5.4 inches) | 86% | moderate |
March Weather | 1°C (34°F) | 128 mm (5.0 inches) | 84% | moderate |
April Weather | 5°C (41°F) | 139 mm (5.5 inches) | 80% | very high |
May Weather | 9°C (48°F) | 126 mm (5.0 inches) | 82% | very high |
June Weather | 12°C (55°F) | 119 mm (4.7 inches) | 89% | very high |
July Weather | 16°C (60°F) | 106 mm (4.2 inches) | 89% | very high |
August Weather | 17°C (63°F) | 105 mm (4.2 inches) | 85% | very high |
September Weather | 15°C (60°F) | 112 mm (4.4 inches) | 83% | very high |
October Weather | 12°C (55°F) | 133 mm (5.3 inches) | 78% | moderate |
November Weather | 7°C (46°F) | 164 mm (6.4 inches) | 80% | moderate |
December Weather | 3°C (37°F) | 171 mm (6.7 inches) | 81% | low |