nomadseason

September Weather in Grand Bank, Canada

Last updated: June 18, 2025

In September, the average temperature in Grand Bank, Canada hovers around 14°C (58°F), with a minimum of 6°C (43°F) and a maximum reaching 21°C (70°F). Expect some rainy days, as 119 mm (4.7 in) of precipitation typically falls over 11 days. With an average humidity level of 88%, be ready for a pleasantly moist atmosphere!

September Temperature in Grand Bank

In September, in Grand Bank, the average temperature is 14°C (58°F). The maximum can reach 21°C (70°F), while the minimum can be as low as 6°C (43°F). This mild climate makes Grand Bank an inviting destination for travelers looking to enjoy comfortable weather.

September Weather in Grand Bank: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Grand Bank, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand Bank, September typically has an average temperature of 14°C (58°F), with highs reaching up to 21°C (70°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec302830364149576358494235
Data source: Temperature data for Grand Bank 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 Grand Bank

In Grand Bank in September, the total precipitation amount is 119 mm (4.7 in), which occurs over the course of 11 days.

September Precipitation Trends in Grand Bank

The chart displays monthly precipitation patterns in Grand Bank, 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 Grand Bank, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1171241381199710413891119117147169
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Grand Bank

In Grand Bank in September humidity is 88%. With an average temperature of 14°C (58°F), this humidity feels like a warm, damp embrace, making travel a bit uncomfortable as you may find yourself constantly sticky and in need of refreshing breaks.

September Average Humidity in Grand Bank

This chart illustrates the average monthly humidity levels in Grand Bank, 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 Grand Bank is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%85%86%88%91%93%92%88%84%82%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Grand Bank

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

Maximum UV Index Levels in Grand Bank for September

The chart shows the monthly maximum UV Index (UVI) for Grand Bank 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 Grand Bank typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689886431
Data source: Grand Bank 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 Grand Bank Compares to Other Months

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

This table compares monthly weather conditions in Grand Bank, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)117 mm (4.6 inches)83%low
February Weather-2°C (28°F)124 mm (4.9 inches)84%moderate
March Weather-1°C (31°F)138 mm (5.4 inches)85%moderate
April Weather2°C (37°F)118 mm (4.7 inches)86%high
May Weather5°C (41°F)97 mm (3.8 inches)88%very high
June Weather9°C (49°F)104 mm (4.1 inches)91%very high
July Weather14°C (57°F)138 mm (5.4 inches)93%very high
August Weather17°C (63°F)90 mm (3.6 inches)92%very high
September Weather14°C (58°F)119 mm (4.7 inches)88%high
October Weather10°C (50°F)117 mm (4.6 inches)84%moderate
November Weather6°C (42°F)147 mm (5.8 inches)82%moderate
December Weather2°C (35°F)169 mm (6.6 inches)81%low

Compare Grand Bank's Climate with Cities Worldwide