nomadseason

September Weather in Miramichi, Canada

Last updated: June 18, 2025

In September, the average temperature in Miramichi, Canada hovers around 15°C (58°F). Expect a chilly minimum of -1°C (31°F) and a warm maximum reaching 30°C (86°F). During this period, precipitation amounts average 88 mm (3.5 in) spread over 10 days, with an average humidity of 85%, making it a notably damp month.

September Temperature in Miramichi

In September in Miramichi, the average temperature is 15°C (58°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures, making it essential to pack both warm and light clothing for your trip.

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

The chart illustrates September temperature patterns in Miramichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miramichi, September typically has an average temperature of 15°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec171926385061676758473523
Data source: Temperature data for Miramichi 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 Miramichi

In Miramichi in September, the precipitation amount is 88 mm (3.5 in) spread over a duration of 10 days.

September Precipitation Trends in Miramichi

The chart displays monthly precipitation patterns in Miramichi, 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 Miramichi, September typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1019088102102757770889312999
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Miramichi

In Miramichi in September humidity is 85%. With an average temperature of 15°C (58°F), this humidity feels like an enveloping blanket, making travel feel sticky and heavy, often leading to a sense of discomfort that can drain your energy during outdoor explorations.

September Average Humidity in Miramichi

This chart illustrates the average monthly humidity levels in Miramichi, 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 Miramichi is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%88%86%83%75%82%84%85%87%86%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Miramichi

In Miramichi 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 Miramichi.

Maximum UV Index Levels in Miramichi for September

The chart shows the monthly maximum UV Index (UVI) for Miramichi 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 Miramichi typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789887432
Data source: Miramichi 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 Miramichi Compares to Other Months

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

This table compares monthly weather conditions in Miramichi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)101 mm (4.0 inches)89%low
February Weather-7°C (19°F)90 mm (3.6 inches)90%moderate
March Weather-3°C (27°F)88 mm (3.5 inches)88%moderate
April Weather3°C (38°F)102 mm (4.0 inches)86%high
May Weather10°C (50°F)102 mm (4.0 inches)83%very high
June Weather16°C (61°F)75 mm (3.0 inches)75%very high
July Weather20°C (68°F)77 mm (3.0 inches)82%very high
August Weather19°C (67°F)70 mm (2.7 inches)84%very high
September Weather15°C (58°F)88 mm (3.5 inches)85%high
October Weather8°C (48°F)93 mm (3.7 inches)87%moderate
November Weather1°C (35°F)129 mm (5.1 inches)86%moderate
December Weather-5°C (23°F)99 mm (3.9 inches)88%low

Compare Miramichi's Climate with Cities Worldwide