nomadseason

September Weather in Clinton, Canada

Last updated: June 18, 2025

In Clinton, Canada, the average temperature in September hovers around 10°C (50°F). However, temperatures can swing between a minimum of -3°C (27°F) and a maximum of 27°C (80°F). Expect precipitation totaling 59 mm (2.3 in) over approximately 12 days, contributing to an average humidity of 83%.

September Temperature in Clinton

In September in Clinton, the average temperature is 10°C (50°F). Maximum temperatures can reach 27°C (80°F), while minimums can dip as low as -3°C (27°F). This variation makes it essential for travelers to prepare for both warm days and chilly evenings.

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

The chart illustrates September temperature patterns in Clinton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clinton, September typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (80°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec191728374955616050372919
Data source: Temperature data for Clinton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Clinton

In Clinton in September, the precipitation amount is 59 mm (2.3 in) occurring over the course of 12 days.

September Precipitation Trends in Clinton

The chart displays monthly precipitation patterns in Clinton, 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 Clinton, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec434935444964624559667358
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Clinton

In Clinton in September, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

September Average Humidity in Clinton

This chart illustrates the average monthly humidity levels in Clinton, 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 Clinton is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%91%89%85%83%86%82%83%89%93%97%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Clinton

In Clinton 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 Clinton.

Maximum UV Index Levels in Clinton for September

The chart shows the monthly maximum UV Index (UVI) for Clinton 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 Clinton typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987421
Data source: Clinton 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 Clinton Compares to Other Months

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

This table compares monthly weather conditions in Clinton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)43 mm (1.7 inches)93%low
February Weather-9°C (17°F)49 mm (1.9 inches)91%moderate
March Weather-2°C (29°F)35 mm (1.4 inches)91%moderate
April Weather3°C (37°F)44 mm (1.7 inches)89%high
May Weather9°C (49°F)49 mm (1.9 inches)85%very high
June Weather13°C (55°F)64 mm (2.5 inches)83%very high
July Weather16°C (61°F)62 mm (2.4 inches)86%very high
August Weather15°C (60°F)45 mm (1.8 inches)82%very high
September Weather10°C (50°F)59 mm (2.3 inches)83%high
October Weather3°C (37°F)66 mm (2.6 inches)89%moderate
November Weather-2°C (29°F)73 mm (2.9 inches)93%low
December Weather-7°C (19°F)58 mm (2.3 inches)97%low

Compare Clinton's Climate with Cities Worldwide