nomadseason

September Weather in Agassiz, Canada

Last updated: June 18, 2025

In Agassiz, Canada, the average temperature in September hovers around 13°C (55°F). You can expect minimum temperatures to drop to 3°C (38°F), while maximums can reach a warm 31°C (88°F). This month also brings about 180 mm (7.1 in) of precipitation over approximately 16 days, ensuring a high average humidity of 76%.

September Temperature in Agassiz

In September in Agassiz, the average temperature is 13°C (55°F). The maximum can reach 31°C (88°F), while the minimum can drop as low as 3°C (38°F). This variation makes it essential for travelers to pack both light and warm clothing to stay comfortable during their visit.

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

The chart illustrates September temperature patterns in Agassiz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Agassiz, September typically has an average temperature of 13°C (55°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec312836425156616255443731
Data source: Temperature data for Agassiz 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 Agassiz

In Agassiz in September, the precipitation amount is 180 mm (7.1 in) over the course of 16 days.

September Precipitation Trends in Agassiz

The chart displays monthly precipitation patterns in Agassiz, 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 Agassiz, September typically receives around 180 mm (7.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec2692472151701041036145180258381313
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Agassiz

In Agassiz in September humidity is 76%. With an average temperature of 13°C (55°F), this humidity feels like a damp, heavy blanket enveloping you, making it feel cooler than it actually is, which can be quite refreshing for short excursions but may also lead to discomfort during prolonged outdoor activities.

September Average Humidity in Agassiz

This chart illustrates the average monthly humidity levels in Agassiz, 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 Agassiz is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%88%86%82%82%85%77%76%88%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Agassiz

In Agassiz 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 Agassiz.

Maximum UV Index Levels in Agassiz for September

The chart shows the monthly maximum UV Index (UVI) for Agassiz 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 Agassiz typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799987521
Data source: Agassiz 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 Agassiz Compares to Other Months

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

This table compares monthly weather conditions in Agassiz, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)269 mm (10.6 inches)87%low
February Weather-2°C (28°F)247 mm (9.7 inches)86%moderate
March Weather2°C (36°F)215 mm (8.5 inches)88%moderate
April Weather5°C (42°F)170 mm (6.7 inches)86%high
May Weather11°C (51°F)104 mm (4.1 inches)82%very high
June Weather13°C (56°F)103 mm (4.1 inches)82%very high
July Weather16°C (61°F)61 mm (2.4 inches)85%very high
August Weather17°C (62°F)45 mm (1.8 inches)77%very high
September Weather13°C (55°F)180 mm (7.1 inches)76%high
October Weather7°C (44°F)258 mm (10.2 inches)88%moderate
November Weather3°C (38°F)380 mm (15.0 inches)88%low
December Weather-1°C (31°F)313 mm (12.3 inches)89%low

Compare Agassiz's Climate with Cities Worldwide