Last updated: August 27, 2025
In September, the average temperature in Helden, Netherlands is a pleasant 15°C (60°F). However, be prepared for a range of temperatures, as it can dip to a chilly 3°C (37°F) at night or soar up to a warm 34°C (93°F) during the day. Expect some rainfall too, with an average precipitation of 59 mm (2.3 in) across about 11 days. The air is quite humid as well, boasting an average moisture level of 81%.
In September in Helden, the average temperature is 15°C (60°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 3°C (37°F). This temperature range makes it an ideal time for travelers to enjoy a comfortable climate while exploring the region.
In Helden in September, the precipitation amount is 59 mm (2.3 in) over the course of 11 days.
In Helden in September, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.
In Helden in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Helden.
UV Risk Categories
Weather in Helden varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Helden, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 65 mm (2.6 inches) | 91% | low |
| February Weather | 5°C (42°F) | 71 mm (2.8 inches) | 90% | low |
| March Weather | 7°C (45°F) | 70 mm (2.8 inches) | 87% | moderate |
| April Weather | 10°C (51°F) | 34 mm (1.3 inches) | 84% | moderate |
| May Weather | 14°C (58°F) | 64 mm (2.5 inches) | 77% | high |
| June Weather | 19°C (66°F) | 70 mm (2.8 inches) | 74% | very high |
| July Weather | 19°C (67°F) | 86 mm (3.4 inches) | 72% | very high |
| August Weather | 19°C (67°F) | 74 mm (2.9 inches) | 71% | high |
| September Weather | 15°C (60°F) | 59 mm (2.3 inches) | 81% | moderate |
| October Weather | 12°C (54°F) | 89 mm (3.5 inches) | 88% | moderate |
| November Weather | 7°C (45°F) | 54 mm (2.1 inches) | 91% | low |
| December Weather | 5°C (42°F) | 91 mm (3.6 inches) | 92% | low |