Last updated: June 24, 2025
In Belmont, United States during September, the average temperature hovers around 24°C (75°F). Expect minimums to dip to 8°C (47°F) and maximums to soar up to 36°C (96°F). This month brings about 115 mm (4.5 in) of precipitation over approximately 8 days, and you'll find the average humidity sitting at a comfortable 75%.
In September in Belmont, the average temperature is 24°C (75°F). The maximum can reach 36°C (96°F), while the minimum can drop to as low as 8°C (47°F). Pack accordingly for a mix of warm days and cooler nights during your travels.
In Belmont in September, the precipitation amount is 115 mm (4.5 in) over the course of 8 days.
In Belmont in September humidity is 75%. With average temperature 24°C (75°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel especially stifling and leaving you yearning for cool breezes and refreshingly cold drinks.
In Belmont 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 Belmont.
UV Risk Categories
Weather in Belmont varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Belmont, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 6°C (44°F) | 88 mm (3.5 inches) | 86% | moderate |
February Weather | 10°C (49°F) | 112 mm (4.4 inches) | 85% | high |
March Weather | 12°C (54°F) | 81 mm (3.2 inches) | 84% | very high |
April Weather | 17°C (63°F) | 101 mm (4.0 inches) | 82% | very high |
May Weather | 22°C (72°F) | 103 mm (4.1 inches) | 83% | very high |
June Weather | 25°C (78°F) | 67 mm (2.6 inches) | 82% | extreme |
July Weather | 27°C (82°F) | 88 mm (3.5 inches) | 80% | extreme |
August Weather | 26°C (79°F) | 85 mm (3.3 inches) | 74% | very high |
September Weather | 24°C (75°F) | 115 mm (4.5 inches) | 75% | very high |
October Weather | 18°C (65°F) | 91 mm (3.6 inches) | 79% | very high |
November Weather | 11°C (51°F) | 88 mm (3.5 inches) | 87% | moderate |
December Weather | 8°C (47°F) | 118 mm (4.7 inches) | 87% | moderate |