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September Weather in Churchill, Australia

Last updated: August 22, 2025

In Churchill, Australia, the average temperature in September hovers around 10°C (51°F), with extremes that can dip to a brisk -2°C (29°F) and peak at a warm 28°C (83°F). Expect 78 mm (3.1 in) of precipitation spread over 13 days, contributing to a notably humid atmosphere with an average humidity of 77%.

September Temperature in Churchill

In September in Churchill, the average temperature is 10°C (51°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as -2°C (29°F). Be prepared for a wide range of weather conditions when traveling during this time!

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 10°C (51°F), with highs reaching up to 28°C (83°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec666462575147474751555962
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 78 mm (3.1 in) spread over 13 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 78 mm (3.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec445245566252558478878079
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 77%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor activities somewhat uncomfortable, causing clothes to cling to your skin and breathing to feel heavier, which may deter longer sightseeing adventures.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%65%70%75%79%81%82%80%77%71%71%67%
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 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 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121174334791113
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 Weather19°C (66°F)44 mm (1.7 inches)64%extreme
February Weather18°C (64°F)52 mm (2.0 inches)65%extreme
March Weather17°C (63°F)45 mm (1.8 inches)70%extreme
April Weather14°C (57°F)56 mm (2.2 inches)75%high
May Weather11°C (51°F)62 mm (2.5 inches)79%moderate
June Weather8°C (47°F)52 mm (2.0 inches)81%moderate
July Weather8°C (47°F)55 mm (2.2 inches)82%moderate
August Weather9°C (48°F)84 mm (3.3 inches)80%moderate
September Weather10°C (51°F)78 mm (3.1 inches)77%high
October Weather13°C (55°F)87 mm (3.4 inches)71%very high
November Weather15°C (59°F)80 mm (3.2 inches)71%extreme
December Weather17°C (62°F)79 mm (3.1 inches)67%extreme

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