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September Weather in Churchill, United States

Last updated: June 24, 2025

In September, the average temperature in Churchill, United States hovers around 19°C (67°F). Expect a range with minimums dropping to 4°C (40°F) and maximums soaring up to 34°C (93°F). Be prepared for some rain, as 124 mm (4.9 in) of precipitation is likely over about 10 days, contributing to an average humidity of 67%.

September Temperature in Churchill

In September in Churchill, the average temperature is 19°C (67°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 4°C (40°F). Travelers should prepare for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Churchill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Churchill, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec313541516270757367574236
Data source: Temperature data for Churchill 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 Churchill

In Churchill in September, the precipitation amount is 124 mm (4.9 in) spread over a duration of 10 days.

September Precipitation Trends in Churchill

The chart displays monthly precipitation patterns in Churchill, 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 Churchill, September typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec951271091301561531488812412495103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Churchill

In Churchill in September, humidity is 67%. With an average temperature of 19°C (67°F), this humidity feels like walking through a warm, soft blanket, making sightseeing and outdoor activities a bit more challenging but still enjoyable for those prepared with light clothing and plenty of hydration.

September Average Humidity in Churchill

This chart illustrates the average monthly humidity levels in Churchill, 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 Churchill is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Churchill

In Churchill in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Churchill.

Maximum UV Index Levels in Churchill for September

The chart shows the monthly maximum UV Index (UVI) for Churchill 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 Churchill typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098642
Data source: Churchill 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 Churchill Compares to Other Months

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

This table compares monthly weather conditions in Churchill, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)95 mm (3.7 inches)89%moderate
February Weather2°C (35°F)127 mm (5.0 inches)90%moderate
March Weather5°C (41°F)109 mm (4.3 inches)89%high
April Weather11°C (51°F)130 mm (5.1 inches)88%very high
May Weather17°C (62°F)156 mm (6.1 inches)80%very high
June Weather21°C (70°F)153 mm (6.0 inches)79%very high
July Weather24°C (75°F)148 mm (5.8 inches)74%very high
August Weather23°C (73°F)88 mm (3.5 inches)64%very high
September Weather19°C (67°F)124 mm (4.9 inches)67%very high
October Weather14°C (57°F)124 mm (4.9 inches)81%high
November Weather5°C (42°F)95 mm (3.7 inches)89%moderate
December Weather2°C (36°F)103 mm (4.1 inches)88%low

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