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September Weather in Hartland, Canada

Last updated: June 18, 2025

In Hartland, Canada, the average temperature in September hovers around 14°C (58°F). Expect a spectrum of temperatures, with minima dipping to -3°C (26°F) and maxima soaring to 31°C (89°F). This month also brings about 101 mm (4.0 in) of precipitation over approximately 10 days, coupled with an average humidity level of a humid 85%.

September Temperature in Hartland

In September in Hartland, the average temperature is 14°C (58°F), with maximums reaching 31°C (89°F) and minimums dipping as low as -3°C (26°F). It's advisable to prepare for a wide range of temperatures, making it a great time for varied outdoor activities.

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

The chart illustrates September temperature patterns in Hartland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartland, September typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (89°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec161826395261676658463321
Data source: Temperature data for Hartland 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 Hartland

In Hartland in September, the precipitation amount is 101 mm (4.0 in) spread over the course of 10 days.

September Precipitation Trends in Hartland

The chart displays monthly precipitation patterns in Hartland, 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 Hartland, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec938178105107969885101115120114
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hartland

In Hartland in September, humidity is 85%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making even short walks feel heavy and exhausting for traveling.

September Average Humidity in Hartland

This chart illustrates the average monthly humidity levels in Hartland, 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 Hartland is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hartland

In Hartland 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 Hartland.

Maximum UV Index Levels in Hartland for September

The chart shows the monthly maximum UV Index (UVI) for Hartland 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 Hartland typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Hartland 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 Hartland Compares to Other Months

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

This table compares monthly weather conditions in Hartland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)93 mm (3.7 inches)93%low
February Weather-8°C (19°F)81 mm (3.2 inches)92%moderate
March Weather-3°C (26°F)78 mm (3.1 inches)90%moderate
April Weather4°C (40°F)105 mm (4.1 inches)87%high
May Weather11°C (52°F)107 mm (4.2 inches)82%very high
June Weather16°C (62°F)96 mm (3.8 inches)77%very high
July Weather19°C (67°F)98 mm (3.9 inches)81%very high
August Weather19°C (66°F)85 mm (3.3 inches)83%very high
September Weather14°C (58°F)101 mm (4.0 inches)85%high
October Weather8°C (47°F)115 mm (4.5 inches)87%moderate
November Weather0°C (33°F)120 mm (4.7 inches)87%moderate
December Weather-6°C (22°F)114 mm (4.5 inches)90%low

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