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September Weather in Mannville, Canada

Last updated: June 18, 2025

In Mannville, Canada, the average temperature for September hovers around 10°C (51°F). Visitors can expect a minimum chill of -3°C (27°F) and a maximum warmth of 30°C (86°F). During this time, the region receives about 37 mm (1.5 in) of precipitation over 8 days, accompanied by an average humidity level of 73%.

September Temperature in Mannville

In September in Mannville, the average temperature is 10°C (51°F). The maximum can reach 30°C (86°F) and the minimum can be as low as -3°C (27°F). This variation makes Mannville a destination where travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates September temperature patterns in Mannville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mannville, September typically has an average temperature of 10°C (51°F), with highs reaching up to 30°C (86°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec10621345259636151372214
Data source: Temperature data for Mannville 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 Mannville

In Mannville in September, the total precipitation amount is 37 mm (1.5 in) over a span of 8 days.

September Precipitation Trends in Mannville

The chart displays monthly precipitation patterns in Mannville, 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 Mannville, September typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1717232753100876737302916
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mannville

In Mannville 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 Mannville

This chart illustrates the average monthly humidity levels in Mannville, 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 Mannville is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%92%88%80%73%71%80%78%73%78%82%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mannville

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

Maximum UV Index Levels in Mannville for September

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

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

This table compares monthly weather conditions in Mannville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (10°F)17 mm (0.7 inches)89%low
February Weather-15°C (6°F)17 mm (0.7 inches)92%moderate
March Weather-6°C (21°F)23 mm (0.9 inches)88%moderate
April Weather1°C (34°F)27 mm (1.0 inches)80%high
May Weather11°C (52°F)53 mm (2.1 inches)73%high
June Weather15°C (60°F)100 mm (3.9 inches)71%very high
July Weather17°C (63°F)87 mm (3.4 inches)80%very high
August Weather16°C (61°F)66 mm (2.6 inches)78%high
September Weather10°C (51°F)37 mm (1.5 inches)73%high
October Weather3°C (37°F)30 mm (1.2 inches)78%moderate
November Weather-6°C (22°F)29 mm (1.1 inches)82%low
December Weather-10°C (14°F)16 mm (0.6 inches)92%low

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