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September Weather in Danville, Canada

Last updated: June 18, 2025

In September, the average temperature in Danville, Canada hovers around 15°C (59°F). The weather can be quite variable, with minimum temperatures dipping to -4°C (26°F) and peaks reaching 30°C (87°F). Expect an average precipitation amount of 82 mm (3.2 in) over about 10 days, contributing to an overall average humidity of 77%. Be prepared for a mix of conditions!

September Temperature in Danville

In September in Danville, the average temperature is 15°C (59°F). Maximums can reach 30°C (87°F) and minimums can be as low as -4°C (26°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cool conditions.

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

The chart illustrates September temperature patterns in Danville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Danville, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec161927415463686658483322
Data source: Temperature data for Danville 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 Danville

In Danville in September, the total precipitation amount is 82 mm (3.2 in) observed over a span of 10 days.

September Precipitation Trends in Danville

The chart displays monthly precipitation patterns in Danville, 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 Danville, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9087871211111431271358214112189
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Danville

In Danville in September, humidity is 77%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it essential to stay hydrated and choose light, breathable clothing for comfortable travel.

September Average Humidity in Danville

This chart illustrates the average monthly humidity levels in Danville, 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 Danville is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Danville

In Danville 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 Danville.

Maximum UV Index Levels in Danville for September

The chart shows the monthly maximum UV Index (UVI) for Danville 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 Danville typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799887532
Data source: Danville 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 Danville Compares to Other Months

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

This table compares monthly weather conditions in Danville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)90 mm (3.5 inches)91%low
February Weather-7°C (19°F)87 mm (3.4 inches)89%moderate
March Weather-3°C (27°F)87 mm (3.4 inches)85%moderate
April Weather5°C (41°F)121 mm (4.8 inches)84%high
May Weather12°C (54°F)111 mm (4.4 inches)78%very high
June Weather17°C (63°F)143 mm (5.6 inches)72%very high
July Weather20°C (68°F)127 mm (5.0 inches)75%very high
August Weather19°C (67°F)135 mm (5.3 inches)74%very high
September Weather15°C (59°F)82 mm (3.2 inches)77%high
October Weather9°C (48°F)141 mm (5.5 inches)85%moderate
November Weather0°C (33°F)120 mm (4.7 inches)86%moderate
December Weather-6°C (22°F)89 mm (3.5 inches)85%low

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