Last updated: August 23, 2025
In September, the average temperature in Morsang-sur-Orge, France is a comfortable 17°C (62°F). Expect some variability, with lows of 4°C (40°F) and highs reaching up to 34°C (93°F). This month typically sees 49 mm (1.9 in) of precipitation spread across 8 days, while the average humidity hovers around 76%, creating a pleasantly mild atmosphere for outdoor activities.
In September in Morsang-sur-Orge, the average temperature is 17°C (62°F), with maximums reaching 34°C (93°F) and minimums dropping to 4°C (40°F). It's advisable to pack layers to comfortably adapt to the varying temperatures during your travels.
In Morsang-sur-Orge in September, the precipitation amount is 49 mm (1.9 in) spread over 8 days.
In Morsang-sur-Orge in September, humidity is 76%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping embrace, making travel feel slightly more challenging as it can lead to a sticky discomfort, especially during outdoor excursions.
In Morsang-sur-Orge in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Morsang-sur-Orge, you can refer to this Hourly UV Index in Morsang-sur-Orge.
UV Risk Categories
Weather in Morsang-sur-Orge varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Morsang-sur-Orge, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 57 mm (2.2 inches) | 91% | low |
| February Weather | 6°C (43°F) | 67 mm (2.6 inches) | 89% | moderate |
| March Weather | 8°C (47°F) | 74 mm (2.9 inches) | 85% | moderate |
| April Weather | 11°C (52°F) | 33 mm (1.3 inches) | 84% | high |
| May Weather | 14°C (58°F) | 75 mm (3.0 inches) | 82% | very high |
| June Weather | 19°C (66°F) | 74 mm (2.9 inches) | 80% | very high |
| July Weather | 20°C (69°F) | 51 mm (2.0 inches) | 73% | very high |
| August Weather | 20°C (68°F) | 60 mm (2.3 inches) | 68% | very high |
| September Weather | 17°C (62°F) | 49 mm (1.9 inches) | 76% | high |
| October Weather | 13°C (55°F) | 79 mm (3.1 inches) | 88% | moderate |
| November Weather | 8°C (46°F) | 65 mm (2.6 inches) | 92% | low |
| December Weather | 6°C (43°F) | 102 mm (4.0 inches) | 93% | low |