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September Weather in Roberval, Canada

Last updated: June 18, 2025

In September, the average temperature in Roberval, Canada is a mild 14°C (57°F), with potential extremes ranging from a cool 1°C (34°F) to a warm 29°C (84°F). Expect 124 mm (4.9 in) of precipitation, spread over 14 days, resulting in a notably high average humidity of 85%. Prepare for a month that blends cool and warm weather, perfect for a variety of activities!

September Temperature in Roberval

In September, in Roberval, the average temperature is 14°C (57°F). The maximum can reach 29°C (84°F) and the minimum can be as low as 1°C (34°F). This range makes Roberval a great destination for travelers looking to enjoy mild weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Roberval, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roberval, September typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec81021344760686657453015
Data source: Temperature data for Roberval 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 Roberval

In Roberval in September, the precipitation amount is 124 mm (4.9 in) over a span of 14 days.

September Precipitation Trends in Roberval

The chart displays monthly precipitation patterns in Roberval, 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 Roberval, September typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec61597896101831121091241189580
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Roberval

In Roberval in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Roberval

This chart illustrates the average monthly humidity levels in Roberval, 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 Roberval is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%94%91%90%80%73%81%84%85%89%91%97%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Roberval

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

Maximum UV Index Levels in Roberval for September

The chart shows the monthly maximum UV Index (UVI) for Roberval 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 Roberval typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789886421
Data source: Roberval 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 Roberval Compares to Other Months

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

This table compares monthly weather conditions in Roberval, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (9°F)61 mm (2.4 inches)96%low
February Weather-12°C (11°F)59 mm (2.3 inches)94%moderate
March Weather-6°C (21°F)78 mm (3.1 inches)91%moderate
April Weather1°C (34°F)96 mm (3.8 inches)90%high
May Weather9°C (48°F)101 mm (4.0 inches)80%very high
June Weather16°C (60°F)83 mm (3.3 inches)73%very high
July Weather20°C (68°F)112 mm (4.4 inches)81%very high
August Weather19°C (66°F)109 mm (4.3 inches)84%very high
September Weather14°C (57°F)124 mm (4.9 inches)85%high
October Weather7°C (45°F)118 mm (4.6 inches)89%moderate
November Weather-1°C (30°F)95 mm (3.7 inches)91%low
December Weather-9°C (15°F)80 mm (3.1 inches)97%low

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