Last updated: June 24, 2025
In Buellton, United States, the average temperature in September is a pleasant 18°C (64°F). Expect a minimum of 13°C (55°F) and a comfortable maximum of 28°C (82°F). With only 1 mm (0.1 in) of precipitation over the month, rain is rare, making it a great time to explore the area. Additionally, the average humidity sits at a moderate 70%, ensuring a refreshing atmosphere.
In September in Buellton, the average temperature is 18°C (64°F). Maximums can reach 28°C (82°F), and minimums can be as low as 13°C (55°F). This pleasant climate makes it an ideal destination for travelers seeking comfortable weather and outdoor activities.
In Buellton in September, the precipitation amount is 1 mm (0.1 in) during 0 days, indicating a very dry period.
In Buellton in September humidity is 70%. With an average temperature of 18°C (64°F), this humidity feels like a sticky embrace, making outdoor excursions a bit more cumbersome and requiring frequent breaks to stay refreshed and hydrated.
In Buellton in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Buellton.
UV Risk Categories
Weather in Buellton varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Buellton, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 13°C (56°F) | 95 mm (3.8 inches) | 80% | moderate |
February Weather | 13°C (55°F) | 78 mm (3.1 inches) | 83% | high |
March Weather | 13°C (55°F) | 86 mm (3.4 inches) | 80% | very high |
April Weather | 13°C (56°F) | 17 mm (0.7 inches) | 76% | very high |
May Weather | 14°C (57°F) | 10 mm (0.4 inches) | 75% | extreme |
June Weather | 15°C (60°F) | 1 mm (0.1 inches) | 74% | extreme |
July Weather | 17°C (63°F) | 1 mm (0.0 inches) | 75% | extreme |
August Weather | 18°C (64°F) | 1 mm (0.0 inches) | 72% | extreme |
September Weather | 18°C (64°F) | 1 mm (0.1 inches) | 70% | very high |
October Weather | 18°C (64°F) | 9 mm (0.4 inches) | 70% | high |
November Weather | 16°C (61°F) | 25 mm (1.0 inches) | 74% | moderate |
December Weather | 14°C (57°F) | 69 mm (2.7 inches) | 76% | moderate |