Last updated: June 18, 2025
In Middleton, Canada, the average temperature in September hovers around 15°C (60°F). Expect a minimum of 5°C (41°F) and a maximum of 23°C (74°F) during this time. Be prepared for some rain, as the area receives about 98 mm (3.8 in) of precipitation across 9 days. With an average humidity of 82%, it’s a month where a light jacket and an umbrella might just come in handy!
In September in Middleton, the average temperature is 15°C (60°F). Maximum temperatures can reach 23°C (74°F), while minimums can drop to as low as 5°C (41°F). This pleasant weather makes it an ideal time for outdoor activities and exploring the local sights.
In Middleton in September, the precipitation amount is 98 mm (3.8 in) occurring over the course of 9 days.
In Middleton in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.
In Middleton 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 Middleton.
UV Risk Categories
Weather in Middleton varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Middleton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 88 mm (3.5 inches) | 83% | low |
| February Weather | -4°C (26°F) | 111 mm (4.4 inches) | 84% | moderate |
| March Weather | -1°C (30°F) | 88 mm (3.5 inches) | 82% | moderate |
| April Weather | 4°C (39°F) | 112 mm (4.4 inches) | 80% | very high |
| May Weather | 9°C (48°F) | 109 mm (4.3 inches) | 78% | very high |
| June Weather | 14°C (57°F) | 99 mm (3.9 inches) | 82% | very high |
| July Weather | 18°C (64°F) | 88 mm (3.5 inches) | 84% | very high |
| August Weather | 18°C (65°F) | 90 mm (3.5 inches) | 82% | very high |
| September Weather | 15°C (60°F) | 98 mm (3.8 inches) | 82% | high |
| October Weather | 11°C (51°F) | 88 mm (3.5 inches) | 82% | moderate |
| November Weather | 4°C (39°F) | 154 mm (6.1 inches) | 84% | moderate |
| December Weather | -1°C (30°F) | 124 mm (4.9 inches) | 82% | low |