Last updated: June 24, 2025
In September, the average temperature in Lake Nacimiento, United States is a comfortable 21°C (70°F), perfect for outdoor activities. However, temperatures can fluctuate, with minimums dipping to 9°C (49°F) and maximums soaring up to 39°C (103°F). Fortunately, you can expect dry conditions this month, as precipitation amounts to 0 mm (0.0 in) over 0 days, coupled with an average humidity of 70%.
In September in Lake Nacimiento, the average temperature is 21°C (70°F). Maximums can reach 39°C (103°F), while minimums can drop as low as 9°C (49°F). Be prepared for a diverse range of temperatures if you're planning to travel during this time.
In Lake Nacimiento in September, the precipitation amount is 0 mm (0.0 in) during 0 days.
In Lake Nacimiento in September, humidity is 70%. With an average temperature of 21°C (70°F), this humidity feels like a warm, muggy embrace, making travel slightly uncomfortable, as the air clings to your skin and can leave you feeling sticky and in need of frequent breaks to cool down.
In Lake Nacimiento in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Lake Nacimiento.
UV Risk Categories
Weather in Lake Nacimiento varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lake Nacimiento, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 11°C (52°F) | 114 mm (4.5 inches) | 80% | moderate |
February Weather | 11°C (52°F) | 78 mm (3.1 inches) | 83% | moderate |
March Weather | 12°C (54°F) | 86 mm (3.4 inches) | 80% | very high |
April Weather | 15°C (59°F) | 24 mm (0.9 inches) | 76% | very high |
May Weather | 17°C (63°F) | 11 mm (0.4 inches) | 75% | extreme |
June Weather | 20°C (68°F) | 0 mm (0.0 inches) | 74% | extreme |
July Weather | 21°C (71°F) | 0 mm (0.0 inches) | 75% | extreme |
August Weather | 22°C (71°F) | 0 mm (0.0 inches) | 72% | extreme |
September Weather | 21°C (70°F) | 0 mm (0.0 inches) | 70% | very high |
October Weather | 18°C (65°F) | 10 mm (0.4 inches) | 70% | high |
November Weather | 14°C (58°F) | 29 mm (1.2 inches) | 74% | moderate |
December Weather | 11°C (52°F) | 72 mm (2.8 inches) | 76% | moderate |