nomadseason

September Weather in Blackfalds, Canada

Last updated: June 18, 2025

In September, the average temperature in Blackfalds, Canada is a moderate 10°C (51°F), with temperatures ranging from a chilly -4°C (25°F) to a warm 30°C (87°F). Expect around 57 mm (2.3 in) of precipitation over 10 days, contributing to an average humidity of 73%. Prepare for a month of fluctuating weather!

September Temperature in Blackfalds

In September in Blackfalds, the average temperature is 10°C (51°F). Maximum temperatures can reach up to 30°C (87°F), while minimums can drop as low as -4°C (25°F). Be prepared for a wide range of temperatures, so pack accordingly for your travels!

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

The chart illustrates September temperature patterns in Blackfalds, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blackfalds, September typically has an average temperature of 10°C (51°F), with highs reaching up to 30°C (87°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec151125365158626050372517
Data source: Temperature data for Blackfalds 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 Blackfalds

In Blackfalds in September, the precipitation amount is 57 mm (2.3 in) over the course of 10 days.

September Precipitation Trends in Blackfalds

The chart displays monthly precipitation patterns in Blackfalds, 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 Blackfalds, September typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec132130326897895457283323
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Blackfalds

In Blackfalds in September, humidity is 73%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that can make outdoor activities uncomfortable, causing your clothes to cling to your skin and a persistent coolness that seeps into your bones, which might deter long excursions without proper layering.

September Average Humidity in Blackfalds

This chart illustrates the average monthly humidity levels in Blackfalds, 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 Blackfalds is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%87%81%77%77%81%78%73%78%82%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Blackfalds

In Blackfalds in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Blackfalds, you can refer to this Hourly UV Index in Blackfalds.

Maximum UV Index Levels in Blackfalds for September

The chart shows the monthly maximum UV Index (UVI) for Blackfalds 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 Blackfalds typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678876421
Data source: Blackfalds 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 Blackfalds Compares to Other Months

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

This table compares monthly weather conditions in Blackfalds, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)13 mm (0.5 inches)90%low
February Weather-12°C (11°F)21 mm (0.8 inches)92%moderate
March Weather-4°C (25°F)30 mm (1.2 inches)87%moderate
April Weather2°C (36°F)32 mm (1.3 inches)81%high
May Weather10°C (51°F)68 mm (2.7 inches)77%high
June Weather15°C (59°F)97 mm (3.8 inches)77%very high
July Weather17°C (62°F)89 mm (3.5 inches)81%very high
August Weather16°C (60°F)54 mm (2.1 inches)78%high
September Weather10°C (51°F)57 mm (2.3 inches)73%high
October Weather3°C (37°F)28 mm (1.1 inches)78%moderate
November Weather-4°C (25°F)33 mm (1.3 inches)82%low
December Weather-8°C (17°F)23 mm (0.9 inches)91%low

Compare Blackfalds's Climate with Cities Worldwide