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September Weather in Waterford, Canada

Last updated: June 18, 2025

In September, the average temperature in Waterford, Canada hovers around 18°C (64°F), offering a pleasant climate for outdoor activities. However, temperatures can vary significantly, with a minimum of 3°C (37°F) and a maximum of 32°C (90°F). Be prepared for a touch of rain, as the area receives about 74 mm (2.9 in) of precipitation over 9 days. The air remains quite humid, with an average humidity of 81%, creating a distinctive atmosphere that’s both refreshing and invigorating.

September Temperature in Waterford

In September in Waterford, the average temperature is 18°C (64°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 3°C (37°F). This diverse temperature range makes it a great time for travelers to prepare for both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Waterford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waterford, September typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec262734445767737164533932
Data source: Temperature data for Waterford 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 Waterford

In Waterford in September, the precipitation amount is 74 mm (2.9 in), which occurs over a span of 9 days.

September Precipitation Trends in Waterford

The chart displays monthly precipitation patterns in Waterford, 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 Waterford, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec697470100102969791741047773
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Waterford

In Waterford in September, humidity is 81%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel both refreshing and slightly stifling at the same time.

September Average Humidity in Waterford

This chart illustrates the average monthly humidity levels in Waterford, 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 Waterford is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%88%87%83%81%79%80%81%84%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Waterford

In Waterford 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 Waterford.

Maximum UV Index Levels in Waterford for September

The chart shows the monthly maximum UV Index (UVI) for Waterford 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 Waterford typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997542
Data source: Waterford 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 Waterford Compares to Other Months

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

This table compares monthly weather conditions in Waterford, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)69 mm (2.7 inches)90%low
February Weather-3°C (27°F)74 mm (2.9 inches)90%moderate
March Weather1°C (34°F)70 mm (2.7 inches)87%moderate
April Weather7°C (44°F)100 mm (3.9 inches)87%very high
May Weather14°C (57°F)102 mm (4.0 inches)82%very high
June Weather20°C (68°F)96 mm (3.8 inches)81%very high
July Weather23°C (73°F)97 mm (3.8 inches)79%very high
August Weather22°C (71°F)91 mm (3.6 inches)80%very high
September Weather18°C (64°F)74 mm (2.9 inches)81%high
October Weather12°C (53°F)104 mm (4.1 inches)84%moderate
November Weather4°C (39°F)77 mm (3.0 inches)88%moderate
December Weather0°C (32°F)73 mm (2.9 inches)87%low

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