Last updated: June 24, 2025
In September, the average temperature in Spring Valley Lake, United States is a pleasant 25°C (76°F). However, temperatures can range from a cool 9°C (48°F) to a scorching 42°C (107°F). Expect minimal rainfall, with an average precipitation of just 2 mm (0.1 in) over 0 days. The average humidity sits comfortably at 41%, making for ideal conditions throughout the month.
In September in Spring Valley Lake, the average temperature is 25°C (76°F), with maximums reaching 42°C (107°F) and minimums dropping as low as 9°C (48°F). Be prepared for a wide range of temperatures when traveling during this month.
In Spring Valley Lake in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Spring Valley Lake in September, humidity is 41%. With an average temperature of 25°C (76°F), this humidity feels like a refreshing embrace, making it comfortable for traveling as you explore the sights with ease.
In Spring Valley Lake 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 Spring Valley Lake.
UV Risk Categories
Weather in Spring Valley Lake varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Spring Valley Lake, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 9°C (48°F) | 35 mm (1.4 inches) | 76% | moderate |
February Weather | 10°C (49°F) | 40 mm (1.6 inches) | 80% | high |
March Weather | 12°C (53°F) | 40 mm (1.6 inches) | 69% | very high |
April Weather | 16°C (61°F) | 17 mm (0.7 inches) | 57% | extreme |
May Weather | 19°C (67°F) | 7 mm (0.3 inches) | 45% | extreme |
June Weather | 25°C (77°F) | 2 mm (0.1 inches) | 34% | extreme |
July Weather | 28°C (83°F) | 6 mm (0.2 inches) | 29% | extreme |
August Weather | 28°C (82°F) | 6 mm (0.2 inches) | 28% | extreme |
September Weather | 25°C (76°F) | 2 mm (0.1 inches) | 41% | very high |
October Weather | 18°C (65°F) | 5 mm (0.2 inches) | 54% | very high |
November Weather | 13°C (56°F) | 13 mm (0.5 inches) | 68% | moderate |
December Weather | 8°C (47°F) | 44 mm (1.7 inches) | 75% | moderate |