nomadseason

September Weather in Merritt, Canada

Last updated: June 18, 2025

In September, the average temperature in Merritt, Canada hovers around 11°C (52°F). Expect a minimum chill of -1°C (31°F) and a pleasant maximum reaching 28°C (84°F). The region experiences a moderate precipitation of 50 mm (2.0 in) over approximately 9 days, while the air remains relatively humid with an average humidity level of 76%.

September Temperature in Merritt

In September in Merritt, the average temperature is 11°C (52°F). The maximum can reach 28°C (84°F), and the minimum can be as low as -1°C (31°F). This means travelers should be prepared for a wide range of weather conditions, from warm afternoons to chilly evenings.

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

The chart illustrates September temperature patterns in Merritt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merritt, September typically has an average temperature of 11°C (52°F), with highs reaching up to 28°C (84°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec252132394954616052393225
Data source: Temperature data for Merritt generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Merritt

In Merritt in September, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

September Precipitation Trends in Merritt

The chart displays monthly precipitation patterns in Merritt, 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 Merritt, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7471545041402119507611192
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Merritt

In Merritt in September, humidity is 76%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor exploration feel uncomfortable and heavy, often leaving travelers longing for a warm café to escape the cool, moist air.

September Average Humidity in Merritt

This chart illustrates the average monthly humidity levels in Merritt, 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 Merritt is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%88%86%82%82%85%77%76%88%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Merritt

In Merritt 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 Merritt.

Maximum UV Index Levels in Merritt for September

The chart shows the monthly maximum UV Index (UVI) for Merritt 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 Merritt typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987421
Data source: Merritt 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 Merritt Compares to Other Months

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

This table compares monthly weather conditions in Merritt, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)74 mm (2.9 inches)87%low
February Weather-6°C (22°F)71 mm (2.8 inches)86%moderate
March Weather0°C (32°F)54 mm (2.1 inches)88%moderate
April Weather4°C (39°F)50 mm (2.0 inches)86%high
May Weather9°C (49°F)41 mm (1.6 inches)82%very high
June Weather12°C (55°F)40 mm (1.6 inches)82%very high
July Weather16°C (61°F)21 mm (0.8 inches)85%very high
August Weather16°C (61°F)19 mm (0.8 inches)77%very high
September Weather11°C (52°F)50 mm (2.0 inches)76%high
October Weather4°C (39°F)76 mm (3.0 inches)88%moderate
November Weather0°C (32°F)111 mm (4.4 inches)88%low
December Weather-4°C (25°F)92 mm (3.6 inches)89%low

Compare Merritt's Climate with Cities Worldwide