nomadseason

September Weather in Kamloops, Canada

Last updated: June 18, 2025

In September, the average temperature in Kamloops, Canada hovers around 13°C (55°F). Expect a minimum of 1°C (34°F) and a peak of 31°C (88°F) during the month. With 45 mm (1.8 in) of precipitation spread over 9 days, remember your umbrella! The average humidity is a comfortable 83%, creating a pleasant atmosphere throughout the month.

September Temperature in Kamloops

In September in Kamloops, the average temperature is 13°C (55°F), with a maximum that can reach 31°C (88°F) and a minimum that can drop to as low as 1°C (34°F). This range suggests that travelers should be prepared for both warm days and cool evenings, making layering a smart choice for your visit.

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

The chart illustrates September temperature patterns in Kamloops, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kamloops, September typically has an average temperature of 13°C (55°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec242334425460666555413327
Data source: Temperature data for Kamloops 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 Kamloops

In Kamloops in September, the precipitation amount is 45 mm (1.8 in) spread over 9 days.

September Precipitation Trends in Kamloops

The chart displays monthly precipitation patterns in Kamloops, 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 Kamloops, September typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec434435413944292945627259
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Kamloops

In Kamloops in September humidity is 83%. With an average temperature of 13°C (55°F), this humidity feels like a damp embrace, often leaving travelers feeling slightly sticky and in need of frequent breaks in the shade.

September Average Humidity in Kamloops

This chart illustrates the average monthly humidity levels in Kamloops, 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 Kamloops is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%91%89%85%83%86%82%83%89%93%97%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kamloops

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

Maximum UV Index Levels in Kamloops for September

The chart shows the monthly maximum UV Index (UVI) for Kamloops 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 Kamloops typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235679986421
Data source: Kamloops 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 Kamloops Compares to Other Months

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

This table compares monthly weather conditions in Kamloops, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)43 mm (1.7 inches)93%low
February Weather-5°C (23°F)44 mm (1.7 inches)91%moderate
March Weather1°C (35°F)35 mm (1.4 inches)91%moderate
April Weather6°C (42°F)41 mm (1.6 inches)89%high
May Weather12°C (54°F)39 mm (1.5 inches)85%high
June Weather15°C (60°F)44 mm (1.7 inches)83%very high
July Weather19°C (66°F)29 mm (1.1 inches)86%very high
August Weather18°C (65°F)29 mm (1.1 inches)82%very high
September Weather13°C (55°F)45 mm (1.8 inches)83%high
October Weather5°C (41°F)62 mm (2.4 inches)89%moderate
November Weather1°C (34°F)72 mm (2.8 inches)93%low
December Weather-3°C (27°F)59 mm (2.3 inches)97%low

Compare Kamloops's Climate with Cities Worldwide