Last updated: June 24, 2025
In September, the average temperature in Le Grand, United States hovers around 20°C (68°F), offering a comfortable climate. However, temperatures can range from a chilly 3°C (38°F) to a warm 33°C (92°F). Visitors can expect 114 mm (4.5 in) of precipitation spread across 9 days, contributing to an average humidity level of 73%.
In September, in Le Grand, the average temperature is 20°C (68°F). Maximum temperatures can reach up to 33°C (92°F), while minimums can drop to as low as 3°C (38°F). This makes Le Grand an ideal destination for travelers seeking pleasant weather and a chance to experience both warm days and cool nights.
In Le Grand in September, the precipitation amount is 114 mm (4.5 in) over the course of 9 days.
In Le Grand in September, humidity is 73%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky, yet the atmosphere remains pleasant for leisurely strolls and sightseeing.
In Le Grand in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Le Grand.
UV Risk Categories
Weather in Le Grand varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Le Grand, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 41 mm (1.6 inches) | 78% | moderate |
| February Weather | -5°C (22°F) | 47 mm (1.9 inches) | 80% | moderate |
| March Weather | 3°C (38°F) | 72 mm (2.8 inches) | 77% | high |
| April Weather | 9°C (48°F) | 83 mm (3.3 inches) | 77% | very high |
| May Weather | 16°C (62°F) | 157 mm (6.2 inches) | 77% | very high |
| June Weather | 23°C (73°F) | 132 mm (5.2 inches) | 81% | extreme |
| July Weather | 24°C (76°F) | 88 mm (3.5 inches) | 81% | very high |
| August Weather | 22°C (73°F) | 61 mm (2.4 inches) | 77% | very high |
| September Weather | 20°C (68°F) | 114 mm (4.5 inches) | 73% | very high |
| October Weather | 11°C (52°F) | 141 mm (5.5 inches) | 75% | high |
| November Weather | 3°C (38°F) | 46 mm (1.8 inches) | 85% | moderate |
| December Weather | -1°C (30°F) | 37 mm (1.4 inches) | 83% | moderate |