Last updated: June 24, 2025
In Hillcrest, United States, the average temperature in September hovers around 27°C (80°F). However, it can swing from a cool 14°C (57°F) to a warm 36°C (96°F). Expect some rain during your stay, with a total precipitation of 204 mm (8.1 in) over 17 days. Be ready for a touch of humidity, as the average levels reach 73%. Enjoy your adventure!
In September in Hillcrest, the average temperature is 27°C (80°F). Maximums can reach 36°C (96°F), while minimums can dip as low as 14°C (57°F). This pleasant range makes it an ideal time for outdoor adventures and sightseeing.
In Hillcrest, in September, the precipitation amount is 204 mm (8.1 in) over a span of 17 days.
In Hillcrest in September humidity is 73%. With an average temperature of 27°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling feel sticky and slightly uncomfortable, prompting frequent breaks in the shade and plenty of hydration.
In Hillcrest 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 Hillcrest.
UV Risk Categories
Weather in Hillcrest varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hillcrest, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 13°C (56°F) | 84 mm (3.3 inches) | 78% | moderate |
February Weather | 15°C (59°F) | 85 mm (3.3 inches) | 81% | very high |
March Weather | 19°C (66°F) | 72 mm (2.8 inches) | 76% | very high |
April Weather | 21°C (70°F) | 91 mm (3.6 inches) | 79% | extreme |
May Weather | 25°C (77°F) | 171 mm (6.7 inches) | 79% | extreme |
June Weather | 28°C (82°F) | 168 mm (6.6 inches) | 74% | extreme |
July Weather | 28°C (84°F) | 153 mm (6.0 inches) | 71% | extreme |
August Weather | 29°C (84°F) | 199 mm (7.9 inches) | 68% | extreme |
September Weather | 27°C (80°F) | 204 mm (8.1 inches) | 73% | very high |
October Weather | 23°C (73°F) | 105 mm (4.1 inches) | 75% | very high |
November Weather | 17°C (63°F) | 79 mm (3.1 inches) | 78% | high |
December Weather | 15°C (59°F) | 104 mm (4.1 inches) | 84% | moderate |