nomadseason

September Weather in Chetwynd, Canada

Last updated: June 18, 2025

In September, the average temperature in Chetwynd, Canada hovers around 9°C (48°F). Expect a chilly minimum of -9°C (16°F) and a warm maximum reaching up to 29°C (84°F). With an average precipitation of 66 mm (2.6 in) over 11 days, and a humidity level of 83%, be prepared for a mix of damp and dynamic weather!

September Temperature in Chetwynd

In September in Chetwynd, the average temperature is 9°C (48°F), with maximums potentially reaching 29°C (84°F) and minimums dipping as low as -9°C (16°F). This makes it essential for travelers to pack layers to accommodate the wide range of temperatures.

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

The chart illustrates September temperature patterns in Chetwynd, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chetwynd, September typically has an average temperature of 9°C (48°F), with highs reaching up to 29°C (84°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec141022344956595748362317
Data source: Temperature data for Chetwynd 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 Chetwynd

In Chetwynd in September, the precipitation amount is 66 mm (2.6 in) spread over 11 days.

September Precipitation Trends in Chetwynd

The chart displays monthly precipitation patterns in Chetwynd, 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 Chetwynd, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec3836484265911136666567837
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Chetwynd

In Chetwynd in September humidity is 83%. With an average temperature of 9°C (48°F), this humidity feels like an enveloping blanket, making outdoor activities quite uncomfortable and encouraging travelers to seek shelter or shade frequently.

September Average Humidity in Chetwynd

This chart illustrates the average monthly humidity levels in Chetwynd, 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 Chetwynd is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%90%88%83%80%84%83%83%89%94%97%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chetwynd

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

Maximum UV Index Levels in Chetwynd for September

The chart shows the monthly maximum UV Index (UVI) for Chetwynd 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 Chetwynd typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124577776311
Data source: Chetwynd 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 Chetwynd Compares to Other Months

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

This table compares monthly weather conditions in Chetwynd, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)38 mm (1.5 inches)95%low
February Weather-12°C (11°F)36 mm (1.4 inches)94%low
March Weather-5°C (23°F)48 mm (1.9 inches)90%moderate
April Weather1°C (34°F)42 mm (1.6 inches)88%moderate
May Weather9°C (49°F)65 mm (2.6 inches)83%high
June Weather13°C (56°F)91 mm (3.6 inches)80%high
July Weather15°C (59°F)113 mm (4.4 inches)84%high
August Weather14°C (57°F)66 mm (2.6 inches)82%high
September Weather9°C (48°F)66 mm (2.6 inches)83%high
October Weather2°C (36°F)56 mm (2.2 inches)89%moderate
November Weather-5°C (24°F)78 mm (3.1 inches)94%low
December Weather-9°C (17°F)37 mm (1.5 inches)97%low

Compare Chetwynd's Climate with Cities Worldwide