Last updated: August 27, 2025
In Spijkenisse, Netherlands, the average temperature in September hovers around 15°C (60°F). Expect a range from a chilly 4°C (39°F) to a warm 31°C (88°F). During this month, you'll experience approximately 65 mm (2.6 in) of precipitation spread over 11 days, contributing to an average humidity level of 82%. Be prepared for a mix of weather!
In September in Spijkenisse, the average temperature is 15°C (60°F), with maximums reaching as high as 31°C (88°F) and minimums dropping down to 4°C (39°F). This variation in temperature makes it advisable to pack layers to ensure comfort during your travels.
In Spijkenisse in September, the precipitation amount is 65 mm (2.6 in) over a span of 11 days.
In Spijkenisse in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.
In Spijkenisse 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 Spijkenisse.
UV Risk Categories
Weather in Spijkenisse varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Spijkenisse, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 58 mm (2.3 inches) | 91% | low |
| February Weather | 5°C (42°F) | 62 mm (2.4 inches) | 89% | low |
| March Weather | 7°C (45°F) | 68 mm (2.7 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 42 mm (1.6 inches) | 85% | moderate |
| May Weather | 13°C (56°F) | 62 mm (2.4 inches) | 82% | high |
| June Weather | 18°C (64°F) | 67 mm (2.7 inches) | 82% | very high |
| July Weather | 18°C (65°F) | 75 mm (3.0 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 85 mm (3.4 inches) | 76% | high |
| September Weather | 15°C (60°F) | 65 mm (2.6 inches) | 82% | moderate |
| October Weather | 13°C (55°F) | 91 mm (3.6 inches) | 89% | moderate |
| November Weather | 8°C (47°F) | 57 mm (2.2 inches) | 92% | low |
| December Weather | 6°C (43°F) | 95 mm (3.7 inches) | 92% | low |