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September Weather in Athens, Canada

Last updated: June 18, 2025

In September, the average temperature in Athens, Canada is a pleasant 17°C (62°F). However, temperatures can vary widely, dipping to a minimum of 2°C (36°F) and soaring to a maximum of 30°C (87°F). During this month, expect about 59 mm (2.3 in) of precipitation spread over 9 days, with an average humidity of 72%. Whether you're planning outdoor activities or cozy indoor retreats, be prepared for a mix of weather!

September Temperature in Athens

In September in Athens, the average temperature is 17°C (62°F). Maximum temperatures can reach 30°C (87°F), while minimums can drop as low as 2°C (36°F). It's a great time to explore the outdoor attractions, so pack accordingly!

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

The chart illustrates September temperature patterns in Athens, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Athens, September typically has an average temperature of 17°C (62°F), with highs reaching up to 30°C (87°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec202230425463716962513727
Data source: Temperature data for Athens 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 Athens

In Athens in September, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

September Precipitation Trends in Athens

The chart displays monthly precipitation patterns in Athens, 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 Athens, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec767677120998311595591349783
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Athens

In Athens in September humidity is 72%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls but potentially heavy on the skin, prompting travelers to seek shade during midday excursions.

September Average Humidity in Athens

This chart illustrates the average monthly humidity levels in Athens, 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 Athens is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Athens

In Athens 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 Athens.

Maximum UV Index Levels in Athens for September

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

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

This table compares monthly weather conditions in Athens, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)76 mm (3.0 inches)93%low
February Weather-6°C (22°F)75 mm (3.0 inches)93%moderate
March Weather-1°C (30°F)77 mm (3.0 inches)86%moderate
April Weather6°C (42°F)120 mm (4.7 inches)82%very high
May Weather12°C (54°F)99 mm (3.9 inches)75%very high
June Weather17°C (63°F)83 mm (3.3 inches)68%very high
July Weather21°C (71°F)115 mm (4.5 inches)69%very high
August Weather21°C (70°F)95 mm (3.7 inches)67%very high
September Weather17°C (62°F)59 mm (2.3 inches)72%high
October Weather10°C (51°F)134 mm (5.3 inches)83%moderate
November Weather3°C (37°F)97 mm (3.8 inches)88%moderate
December Weather-3°C (27°F)83 mm (3.3 inches)89%low

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