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September Weather in Moosonee, Canada

Last updated: June 18, 2025

In September, the average temperature in Moosonee, Canada hovers around 11°C (53°F), offering a cool climate for visitors. Expect temperatures to range from a chilly -3°C (27°F) to a warm 30°C (86°F). With an average humidity of 87%, the air can feel quite moist. Additionally, be prepared for 104 mm (4.1 in) of precipitation spread over 14 days, making it a good idea to pack an umbrella!

September Temperature in Moosonee

In September in Moosonee, the average temperature is 11°C (53°F). The maximum can reach 30°C (86°F), while the minimum can be as low as -3°C (27°F). Travelers should prepare for a wide range of temperatures when visiting during this time.

September Weather in Moosonee: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Moosonee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Moosonee, September typically has an average temperature of 11°C (53°F), with highs reaching up to 30°C (86°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec221428445464605241238
Data source: Temperature data for Moosonee generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Moosonee

In Moosonee in September, the precipitation amount is 104 mm (4.1 in) distributed over a span of 14 days.

September Precipitation Trends in Moosonee

The chart displays monthly precipitation patterns in Moosonee, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Moosonee, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec2940405459838170104735945
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Moosonee

In Moosonee in September, humidity is 87%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling as it combines the cool air with a sense of heaviness, leaving you yearning for warmth and dryness.

September Average Humidity in Moosonee

This chart illustrates the average monthly humidity levels in Moosonee, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Moosonee is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%95%88%79%78%83%86%88%90%90%97%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Moosonee

In Moosonee 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 Moosonee, you can refer to this Hourly UV Index in Moosonee.

Maximum UV Index Levels in Moosonee for September

The chart shows the monthly maximum UV Index (UVI) for Moosonee in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Moosonee typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec134678776421
Data source: Moosonee September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Moosonee Compares to Other Months

Weather in Moosonee varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Moosonee, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Moosonee, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-17°C (2°F)29 mm (1.2 inches)96%low
February Weather-17°C (2°F)40 mm (1.6 inches)95%moderate
March Weather-10°C (14°F)40 mm (1.6 inches)95%moderate
April Weather-2°C (28°F)54 mm (2.1 inches)88%high
May Weather7°C (44°F)59 mm (2.3 inches)79%high
June Weather12°C (54°F)83 mm (3.3 inches)78%very high
July Weather18°C (64°F)81 mm (3.2 inches)83%high
August Weather16°C (61°F)70 mm (2.7 inches)86%high
September Weather11°C (53°F)104 mm (4.1 inches)87%high
October Weather5°C (41°F)73 mm (2.9 inches)90%moderate
November Weather-5°C (24°F)59 mm (2.3 inches)90%low
December Weather-13°C (8°F)45 mm (1.8 inches)97%low

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