Last updated: June 24, 2025
In September, the average temperature in Lakeside, United States is a mild 14°C (57°F). Visitors can expect a temperature range from a chilly -1°C (30°F) to a warm 32°C (90°F). Rainfall averages about 46 mm (1.8 in) spread over 8 days, and the average humidity hovers around 67%, making for a pleasantly temperate climate.
In September in Lakeside, the average temperature is 14°C (57°F). The maximum can reach 32°C (90°F) and the minimum can be as low as -1°C (30°F). This wide range of temperatures means travelers should be prepared for both warm days and cool evenings.
In Lakeside in September, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.
In Lakeside in September, humidity is 67%. With an average temperature of 14°C (57°F), this humidity feels like a cool, refreshing mist that invigorates your senses, making it quite pleasant for traveling, though a light jacket is recommended as the moisture in the air can create a brisk atmosphere.
In Lakeside 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 Lakeside.
UV Risk Categories
Weather in Lakeside varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lakeside, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -3°C (26°F) | 53 mm (2.1 inches) | 93% | low |
February Weather | -6°C (22°F) | 83 mm (3.3 inches) | 92% | moderate |
March Weather | 1°C (33°F) | 54 mm (2.1 inches) | 89% | high |
April Weather | 4°C (40°F) | 80 mm (3.1 inches) | 85% | high |
May Weather | 11°C (51°F) | 70 mm (2.8 inches) | 80% | very high |
June Weather | 15°C (59°F) | 60 mm (2.3 inches) | 78% | very high |
July Weather | 20°C (68°F) | 20 mm (0.8 inches) | 77% | very high |
August Weather | 20°C (67°F) | 26 mm (1.0 inches) | 66% | very high |
September Weather | 14°C (57°F) | 46 mm (1.8 inches) | 67% | high |
October Weather | 6°C (43°F) | 71 mm (2.8 inches) | 77% | moderate |
November Weather | 2°C (35°F) | 75 mm (3.0 inches) | 89% | moderate |
December Weather | -1°C (30°F) | 73 mm (2.9 inches) | 95% | low |