September Weather in Unity, Canada

Last updated: June 18, 2025

The average temperature in Unity, Canada during September hovers around 11°C (52°F). You can experience a diverse range of temperatures, with a minimum of -3°C (27°F) and a maximum reaching 33°C (91°F). Expect approximately 36 mm (1.4 in) of precipitation spread over 7 days, coupled with an average humidity of 75%.

September Temperature in Unity

In September in Unity, the average temperature is 11°C (52°F). Maximums can reach 33°C (91°F) and minimums can be as low as -3°C (27°F). Be prepared for a wide range of temperatures when traveling to Unity this month.

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

The chart illustrates September temperature patterns in Unity, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unity, September typically has an average temperature of 11°C (52°F), with highs reaching up to 33°C (91°F) and lows dropping to around -3°C (27°F).

Data source: Temperature data for Unity generated using information from the Copernicus Climate Change Service.

September Precipitation in Unity

In Unity in September, the total precipitation amount is 36 mm (1.4 in) over a span of 7 days.

September Precipitation Trends in Unity

The chart displays monthly precipitation patterns in Unity, 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 Unity, September typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Unity

In Unity in September, humidity is 75%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a little less inviting and prompting the need for warm layers.

September Average Humidity in Unity

This chart illustrates the average monthly humidity levels in Unity, 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 Unity is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Unity

In Unity 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 Unity, you can refer to this Hourly UV Index in Unity.

Maximum UV Index Levels in Unity for September

The chart shows the monthly maximum UV Index (UVI) for Unity 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 Unity typically reaches 6, which falls under the high exposure category.

Data source: Unity 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 Unity Compares to Other Months

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

This table compares monthly weather conditions in Unity, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (9°F)	18 mm (0.7 inches)	91%	low
February Weather	-15°C (5°F)	14 mm (0.6 inches)	93%	moderate
March Weather	-6°C (22°F)	21 mm (0.8 inches)	90%	moderate
April Weather	2°C (35°F)	23 mm (0.9 inches)	81%	high
May Weather	11°C (52°F)	44 mm (1.7 inches)	71%	high
June Weather	16°C (61°F)	71 mm (2.8 inches)	67%	very high
July Weather	18°C (65°F)	76 mm (3.0 inches)	80%	very high
August Weather	17°C (62°F)	40 mm (1.6 inches)	79%	high
September Weather	11°C (52°F)	36 mm (1.4 inches)	75%	high
October Weather	3°C (37°F)	23 mm (0.9 inches)	80%	moderate
November Weather	-6°C (22°F)	30 mm (1.2 inches)	86%	low
December Weather	-11°C (13°F)	15 mm (0.6 inches)	94%	low