Last updated: August 23, 2025
In September, the average temperature in Seine-Port, France hovers around 17°C (63°F), with a minimum dipping to 5°C (40°F) and a maximum soaring to 35°C (95°F). Expect approximately 54 mm (2.1 in) of precipitation spread over 8 days, and enjoy an average humidity level of 76%.
In September in Seine-Port, the average temperature is 17°C (63°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 5°C (40°F). This variation in temperature makes it essential for travelers to pack accordingly, ensuring a comfortable experience regardless of the weather fluctuations.
In Seine-Port in September, the total precipitation amount reaches 54 mm (2.1 in) over a span of 8 days.
In Seine-Port in September humidity is 76%. With an average temperature of 17°C (63°F), this humidity feels like traveling through a warm, enveloping blanket, making every outdoor adventure feel sticky and heavy, yet pleasantly refreshing when you find a cool breeze.
In Seine-Port 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 Seine-Port, you can refer to this Hourly UV Index in Seine-Port.
UV Risk Categories
Weather in Seine-Port varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Seine-Port, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 4°C (40°F) | 59 mm (2.3 inches) | 91% | low |
February Weather | 6°C (43°F) | 66 mm (2.6 inches) | 89% | moderate |
March Weather | 8°C (47°F) | 72 mm (2.8 inches) | 85% | moderate |
April Weather | 11°C (52°F) | 30 mm (1.2 inches) | 84% | high |
May Weather | 15°C (58°F) | 74 mm (2.9 inches) | 82% | very high |
June Weather | 19°C (66°F) | 66 mm (2.6 inches) | 80% | very high |
July Weather | 21°C (70°F) | 46 mm (1.8 inches) | 73% | very high |
August Weather | 20°C (69°F) | 52 mm (2.0 inches) | 68% | very high |
September Weather | 17°C (63°F) | 54 mm (2.1 inches) | 76% | high |
October Weather | 13°C (55°F) | 79 mm (3.1 inches) | 88% | moderate |
November Weather | 8°C (46°F) | 65 mm (2.5 inches) | 92% | low |
December Weather | 6°C (43°F) | 102 mm (4.0 inches) | 93% | low |