Last updated: August 22, 2025
In Boyup Brook, Australia, the average temperature in September is a mild 12°C (53°F). Expect a minimum of -1°C (31°F) and a pleasant maximum of 28°C (82°F). The region sees about 47 mm (1.9 in) of precipitation spread over 7 days, with an average humidity level of 71%. Enjoy the diverse weather conditions this month offers!
In September in Boyup Brook, the average temperature is 12°C (53°F). The maximum can reach 28°C (82°F), while the minimum can drop to as low as -1°C (31°F). This temperature variation makes it a great time for travelers to experience a range of outdoor activities, from warm sunny days to cool, crisp evenings.
In Boyup Brook in September, the total precipitation amount is 47 mm (1.9 in) recorded over a span of 7 days.
In Boyup Brook in September humidity is 71%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, often leaving you feeling clammy and requiring a light jacket to stay warm.
In Boyup Brook 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 Boyup Brook.
UV Risk Categories
Weather in Boyup Brook varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Boyup Brook, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 21°C (70°F) | 9 mm (0.4 inches) | 52% | extreme |
| February Weather | 20°C (69°F) | 43 mm (1.7 inches) | 55% | extreme |
| March Weather | 19°C (67°F) | 28 mm (1.1 inches) | 59% | extreme |
| April Weather | 16°C (61°F) | 23 mm (0.9 inches) | 70% | very high |
| May Weather | 13°C (55°F) | 46 mm (1.8 inches) | 72% | moderate |
| June Weather | 11°C (52°F) | 57 mm (2.2 inches) | 77% | moderate |
| July Weather | 10°C (51°F) | 71 mm (2.8 inches) | 77% | moderate |
| August Weather | 10°C (51°F) | 69 mm (2.7 inches) | 75% | high |
| September Weather | 12°C (53°F) | 47 mm (1.9 inches) | 71% | very high |
| October Weather | 14°C (57°F) | 31 mm (1.2 inches) | 63% | very high |
| November Weather | 16°C (62°F) | 21 mm (0.8 inches) | 56% | extreme |
| December Weather | 20°C (68°F) | 12 mm (0.5 inches) | 53% | extreme |