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September Weather in Sechelt, Canada

Last updated: June 18, 2025

In September, the average temperature in Sechelt, Canada is a pleasant 15°C (59°F), with temperatures ranging from a cool 8°C (46°F) to a balmy 27°C (80°F). Expect about 202 mm (7.9 in) of precipitation over 15 days, coupled with an average humidity of 76%, making it a month of refreshing breezes and occasional showers.

September Temperature in Sechelt

In September in Sechelt, the average temperature is 15°C (59°F). The maximum can reach 27°C (80°F) and the minimum can be as low as 8°C (46°F). This mild weather makes Sechelt an ideal destination for travelers seeking comfortable temperatures and enjoyable outdoor activities.

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

The chart illustrates September temperature patterns in Sechelt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sechelt, September typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (80°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec383741455358636459494439
Data source: Temperature data for Sechelt 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 Sechelt

In Sechelt in September, the precipitation amount is 202 mm (7.9 in) and occurs over the course of 15 days.

September Precipitation Trends in Sechelt

The chart displays monthly precipitation patterns in Sechelt, 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 Sechelt, September typically receives around 202 mm (7.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec30117018615783855062202266375305
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sechelt

In Sechelt in September humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

September Average Humidity in Sechelt

This chart illustrates the average monthly humidity levels in Sechelt, 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 Sechelt is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%86%86%81%83%84%77%76%88%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sechelt

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

Maximum UV Index Levels in Sechelt for September

The chart shows the monthly maximum UV Index (UVI) for Sechelt 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 Sechelt typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Sechelt 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 Sechelt Compares to Other Months

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

This table compares monthly weather conditions in Sechelt, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)301 mm (11.9 inches)86%low
February Weather3°C (37°F)170 mm (6.7 inches)85%moderate
March Weather5°C (41°F)185 mm (7.3 inches)86%moderate
April Weather7°C (46°F)157 mm (6.2 inches)86%high
May Weather12°C (53°F)83 mm (3.3 inches)81%very high
June Weather15°C (58°F)85 mm (3.3 inches)83%very high
July Weather17°C (64°F)50 mm (2.0 inches)84%very high
August Weather18°C (65°F)62 mm (2.4 inches)77%very high
September Weather15°C (59°F)202 mm (7.9 inches)76%high
October Weather10°C (50°F)266 mm (10.5 inches)88%moderate
November Weather6°C (44°F)375 mm (14.8 inches)87%low
December Weather4°C (39°F)305 mm (12.0 inches)87%low

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