Last updated: June 18, 2025
In September, the average temperature in Spirit River, Canada hovers around 10°C (50°F). This month can see a minimum temperature dipping to -9°C (17°F) and a maximum soaring to 28°C (83°F). Expect 46 mm (1.8 in) of precipitation spread over 9 days, coupled with an average humidity of 80%, creating a unique blend of weather conditions to experience.
In September in Spirit River, the average temperature is 10°C (50°F), with maximums reaching 28°C (83°F) and minimums dropping as low as -9°C (17°F). It's advisable to pack layers for your trip to ensure you're comfortable in varying weather conditions.
In Spirit River in September, the precipitation amount is 46 mm (1.8 in) over the course of 9 days.
In Spirit River in September, humidity is 80%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill enveloping you, making traveling somewhat uncomfortable as it seeps into your clothes and clings to your skin, leaving you longing for a cozy indoor refuge.
In Spirit River in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Spirit River, you can refer to this Hourly UV Index in Spirit River.
UV Risk Categories
Weather in Spirit River varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Spirit River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (13°F) | 23 mm (0.9 inches) | 93% | low |
| February Weather | -13°C (9°F) | 27 mm (1.1 inches) | 94% | low |
| March Weather | -6°C (22°F) | 31 mm (1.2 inches) | 89% | moderate |
| April Weather | 1°C (35°F) | 29 mm (1.1 inches) | 85% | high |
| May Weather | 11°C (51°F) | 41 mm (1.6 inches) | 81% | high |
| June Weather | 15°C (59°F) | 76 mm (3.0 inches) | 78% | high |
| July Weather | 16°C (62°F) | 90 mm (3.5 inches) | 84% | high |
| August Weather | 15°C (60°F) | 50 mm (2.0 inches) | 81% | high |
| September Weather | 10°C (50°F) | 46 mm (1.8 inches) | 80% | high |
| October Weather | 3°C (37°F) | 40 mm (1.6 inches) | 86% | moderate |
| November Weather | -6°C (22°F) | 51 mm (2.0 inches) | 91% | low |
| December Weather | -9°C (15°F) | 24 mm (1.0 inches) | 96% | low |