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September Weather in Rosetown, Canada

Last updated: June 18, 2025

The average temperature in Rosetown, Canada during September is a comfortable 12°C (54°F). However, you can expect a range, with minimums dipping to -3°C (27°F) and maximums soaring up to 34°C (93°F). Be prepared for 37 mm (1.5 in) of precipitation spread over about 5 days, and enjoy an average humidity level of 68% to round out the climate experience!

September Temperature in Rosetown

In September in Rosetown, the average temperature is 12°C (54°F). The maximum can reach 34°C (93°F), and the minimum can be as low as -3°C (27°F). Be sure to pack for a wide range of temperatures and enjoy the diverse weather during your travels!

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

The chart illustrates September temperature patterns in Rosetown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosetown, September typically has an average temperature of 12°C (54°F), with highs reaching up to 34°C (93°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec11724375363676454392314
Data source: Temperature data for Rosetown 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 Rosetown

In Rosetown in September, the precipitation amount is 37 mm (1.5 in) spread over a period of 5 days.

September Precipitation Trends in Rosetown

The chart displays monthly precipitation patterns in Rosetown, 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 Rosetown, September typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec121120183359393137242915
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rosetown

In Rosetown in September, humidity is 68%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that can make exploring the area a bit uncomfortable, often requiring warm layers to stay cozy while sightseeing.

September Average Humidity in Rosetown

This chart illustrates the average monthly humidity levels in Rosetown, 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 Rosetown is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%86%76%72%67%77%75%68%73%83%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rosetown

In Rosetown 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 Rosetown.

Maximum UV Index Levels in Rosetown for September

The chart shows the monthly maximum UV Index (UVI) for Rosetown 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 Rosetown typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678877421
Data source: Rosetown 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 Rosetown Compares to Other Months

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

This table compares monthly weather conditions in Rosetown, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (11°F)12 mm (0.5 inches)90%low
February Weather-14°C (7°F)11 mm (0.4 inches)91%moderate
March Weather-5°C (24°F)20 mm (0.8 inches)86%moderate
April Weather3°C (37°F)18 mm (0.7 inches)76%high
May Weather12°C (53°F)33 mm (1.3 inches)72%high
June Weather17°C (63°F)59 mm (2.3 inches)67%very high
July Weather19°C (67°F)39 mm (1.5 inches)77%very high
August Weather18°C (64°F)31 mm (1.2 inches)75%high
September Weather12°C (54°F)37 mm (1.5 inches)68%high
October Weather4°C (39°F)24 mm (0.9 inches)73%moderate
November Weather-5°C (24°F)29 mm (1.1 inches)83%low
December Weather-10°C (15°F)15 mm (0.6 inches)92%low

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