September Weather in Conception Bay South, Canada

Last updated: June 18, 2025

The average temperature in Conception Bay South, Canada during September hovers around 13°C (56°F), with a pleasant maximum of 21°C (71°F) and a cooler minimum of 6°C (43°F). Expect some rain, as 122 mm (4.8 in) of precipitation typically falls over 11 days. Be prepared for a damp atmosphere, as the average humidity sits at a high 90%.

September Temperature in Conception Bay South

In September in Conception Bay South, the average temperature is 13°C (56°F). Maximums can reach 21°C (71°F), while minimums can drop to as low as 6°C (43°F). Travelers should be prepared for mild days and cool nights, making it ideal for outdoor activities.

September Weather in Conception Bay South: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Conception Bay South, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Conception Bay South, September typically has an average temperature of 13°C (56°F), with highs reaching up to 21°C (71°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec282629354049576156484133
Data source: Temperature data for Conception Bay South 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 Conception Bay South

In Conception Bay South in September, the total precipitation amount is 122 mm (4.8 in) over a span of 11 days.

September Precipitation Trends in Conception Bay South

The chart displays monthly precipitation patterns in Conception Bay South, 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 Conception Bay South, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1181131131199110010877122111124148
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Conception Bay South

In Conception Bay South in September, humidity is 90%. With an average temperature of 13°C (56°F), this humidity feels like a moist blanket enveloping you, making every step sticky and muggy, and forcing you to take frequent breaks in the shade as you explore the scenery.

September Average Humidity in Conception Bay South

This chart illustrates the average monthly humidity levels in Conception Bay South, 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 Conception Bay South is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%85%88%91%91%94%93%90%87%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Conception Bay South

In Conception Bay South 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 Conception Bay South.

Maximum UV Index Levels in Conception Bay South for September

The chart shows the monthly maximum UV Index (UVI) for Conception Bay South 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 Conception Bay South typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810987421
Data source: Conception Bay South 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 Conception Bay South Compares to Other Months

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

This table compares monthly weather conditions in Conception Bay South, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)118 mm (4.7 inches)83%low
February Weather-3°C (26°F)113 mm (4.4 inches)84%moderate
March Weather-2°C (29°F)112 mm (4.4 inches)85%moderate
April Weather2°C (35°F)119 mm (4.7 inches)88%high
May Weather5°C (40°F)91 mm (3.6 inches)90%very high
June Weather9°C (49°F)100 mm (3.9 inches)91%very high
July Weather14°C (57°F)108 mm (4.3 inches)94%very high
August Weather16°C (62°F)77 mm (3.0 inches)93%very high
September Weather13°C (56°F)122 mm (4.8 inches)90%high
October Weather9°C (48°F)111 mm (4.4 inches)87%moderate
November Weather5°C (41°F)124 mm (4.9 inches)84%low
December Weather1°C (33°F)148 mm (5.8 inches)83%low

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