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September Weather in Bathurst, Canada

Last updated: June 18, 2025

In September, the average temperature in Bathurst, Canada hovers around 14°C (57°F). During this time, you're likely to experience a diverse climate with minimum temperatures dropping to -2°C (28°F) and maximums soaring up to 30°C (85°F). Expect 106 mm (4.2 in) of precipitation spread over about 11 days, contributing to an average humidity of 85%. Be prepared for a mix of weather as you explore this captivating destination!

September Temperature in Bathurst

In September in Bathurst, the average temperature is 14°C (57°F). The maximum can reach 30°C (85°F), while the minimum can be as low as -2°C (28°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

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

The chart illustrates September temperature patterns in Bathurst, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bathurst, September typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (85°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec151725365060666657453321
Data source: Temperature data for Bathurst 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 Bathurst

In Bathurst in September, the precipitation amount is 106 mm (4.2 in) spread over a duration of 11 days.

September Precipitation Trends in Bathurst

The chart displays monthly precipitation patterns in Bathurst, 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 Bathurst, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9685931089582957410697124100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bathurst

In Bathurst 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 Bathurst

This chart illustrates the average monthly humidity levels in Bathurst, 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 Bathurst 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 Bathurst

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

Maximum UV Index Levels in Bathurst for September

The chart shows the monthly maximum UV Index (UVI) for Bathurst 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 Bathurst typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789886422
Data source: Bathurst 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 Bathurst Compares to Other Months

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

This table compares monthly weather conditions in Bathurst, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)96 mm (3.8 inches)89%low
February Weather-8°C (17°F)85 mm (3.3 inches)90%moderate
March Weather-4°C (25°F)93 mm (3.7 inches)88%moderate
April Weather2°C (36°F)108 mm (4.3 inches)86%high
May Weather10°C (50°F)95 mm (3.7 inches)83%very high
June Weather16°C (61°F)82 mm (3.2 inches)75%very high
July Weather19°C (67°F)95 mm (3.7 inches)82%very high
August Weather19°C (66°F)74 mm (2.9 inches)84%very high
September Weather14°C (57°F)106 mm (4.2 inches)85%high
October Weather7°C (46°F)97 mm (3.8 inches)87%moderate
November Weather0°C (33°F)124 mm (4.9 inches)86%low
December Weather-6°C (21°F)100 mm (3.9 inches)88%low

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