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September Weather in Concord, Canada

Last updated: June 18, 2025

In September, the average temperature in Concord, Canada is a comfortable 17°C (64°F). Expect a variety of conditions, with minimum temperatures dipping to 3°C (38°F) and maximums soaring up to 33°C (91°F). Precipitation is light, averaging 58 mm (2.3 in) over about 8 days, and the air carries a notable average humidity of 76%.

September Temperature in Concord

In September in Concord, the average temperature is 17°C (64°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 3°C (38°F). This makes it a great time for travelers to experience mild weather while exploring the area.

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

The chart illustrates September temperature patterns in Concord, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Concord, September typically has an average temperature of 17°C (64°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec252633435566727063523830
Data source: Temperature data for Concord 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 Concord

In Concord in September, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

September Precipitation Trends in Concord

The chart displays monthly precipitation patterns in Concord, 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 Concord, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec636558989079787858957270
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Concord

In Concord in September, humidity is 76%. With an average temperature of 17°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel sluggish and draining, challenging travelers to stay hydrated and seek respite in shaded areas or air-conditioned spaces.

September Average Humidity in Concord

This chart illustrates the average monthly humidity levels in Concord, 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 Concord is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Concord

In Concord 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 Concord.

Maximum UV Index Levels in Concord for September

The chart shows the monthly maximum UV Index (UVI) for Concord 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 Concord typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Concord 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 Concord Compares to Other Months

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

This table compares monthly weather conditions in Concord, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)62 mm (2.5 inches)91%low
February Weather-3°C (26°F)65 mm (2.6 inches)91%moderate
March Weather0°C (33°F)58 mm (2.3 inches)88%moderate
April Weather6°C (43°F)98 mm (3.9 inches)88%very high
May Weather13°C (55°F)90 mm (3.6 inches)82%very high
June Weather19°C (66°F)79 mm (3.1 inches)79%very high
July Weather22°C (72°F)78 mm (3.1 inches)77%very high
August Weather21°C (71°F)78 mm (3.1 inches)72%very high
September Weather17°C (64°F)58 mm (2.3 inches)76%high
October Weather11°C (52°F)95 mm (3.7 inches)83%moderate
November Weather3°C (38°F)72 mm (2.8 inches)88%moderate
December Weather-1°C (31°F)70 mm (2.8 inches)87%low

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