Last updated: June 24, 2025
In September, the average temperature in Amsterdam, United States hovers around 17°C (63°F). Expect a range from a chilly 2°C (35°F) to a warm 32°C (90°F). With 90 mm (3.5 in) of precipitation spread over 9 days, you'll want to be prepared for some rain. Humidity levels are typically around 72%, adding to the overall climate experience.
In September in Amsterdam, the average temperature is 17°C (63°F). Maximums can reach 32°C (90°F) and minimums can be as low as 2°C (35°F). This makes it a great time for travelers to experience a comfortable climate while enjoying the various outdoor activities that Amsterdam has to offer.
In Amsterdam in September, the precipitation amount is 90 mm (3.5 in) over the course of 9 days.
In Amsterdam in September, humidity is 72%. With an average temperature of 17°C (63°F), this humidity feels like a muggy embrace, making outdoor activities a bit sticky and requiring plenty of hydration for a comfortable travel experience.
In Amsterdam in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Amsterdam.
UV Risk Categories
Weather in Amsterdam varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Amsterdam, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -5°C (24°F) | 85 mm (3.3 inches) | 89% | moderate |
February Weather | -3°C (26°F) | 101 mm (4.0 inches) | 88% | moderate |
March Weather | 0°C (33°F) | 84 mm (3.3 inches) | 86% | high |
April Weather | 7°C (45°F) | 129 mm (5.1 inches) | 84% | very high |
May Weather | 14°C (58°F) | 108 mm (4.2 inches) | 76% | very high |
June Weather | 19°C (66°F) | 98 mm (3.9 inches) | 72% | very high |
July Weather | 22°C (72°F) | 121 mm (4.7 inches) | 66% | very high |
August Weather | 21°C (70°F) | 100 mm (3.9 inches) | 64% | very high |
September Weather | 17°C (63°F) | 90 mm (3.5 inches) | 72% | high |
October Weather | 11°C (52°F) | 158 mm (6.2 inches) | 81% | high |
November Weather | 3°C (38°F) | 105 mm (4.1 inches) | 87% | moderate |
December Weather | -2°C (29°F) | 108 mm (4.2 inches) | 84% | low |