Last updated: June 24, 2025
In Berkley, United States, the average temperature in September typically hovers around 19°C (67°F). Visitors can expect a minimum of 7°C (45°F) and a maximum of 32°C (90°F), creating a diverse range of weather experiences. During this month, the area encounters approximately 98 mm (3.8 in) of precipitation over 10 days, alongside an average humidity level of 75%. Whether you're planning outdoor activities or cozy indoor retreats, there's something for everyone in this intriguing climate!
In September in Berkley, the average temperature is 19°C (67°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 7°C (45°F). This varied climate makes it an ideal time for travelers to enjoy both warm days and cool evenings.
In Berkley in September, the precipitation amount is 98 mm (3.8 in) spread over a period of 10 days.
In Berkley in September humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.
In Berkley 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 Berkley.
UV Risk Categories
Weather in Berkley varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Berkley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 78 mm (3.1 inches) | 84% | moderate |
| February Weather | 2°C (35°F) | 94 mm (3.7 inches) | 84% | moderate |
| March Weather | 4°C (39°F) | 104 mm (4.1 inches) | 82% | high |
| April Weather | 9°C (49°F) | 122 mm (4.8 inches) | 79% | very high |
| May Weather | 14°C (58°F) | 99 mm (3.9 inches) | 75% | very high |
| June Weather | 20°C (68°F) | 94 mm (3.7 inches) | 78% | very high |
| July Weather | 23°C (74°F) | 113 mm (4.5 inches) | 76% | very high |
| August Weather | 23°C (74°F) | 86 mm (3.4 inches) | 76% | very high |
| September Weather | 19°C (67°F) | 98 mm (3.8 inches) | 75% | very high |
| October Weather | 14°C (58°F) | 138 mm (5.4 inches) | 75% | high |
| November Weather | 7°C (45°F) | 96 mm (3.8 inches) | 80% | moderate |
| December Weather | 2°C (37°F) | 116 mm (4.6 inches) | 80% | low |