Last updated: August 27, 2025
In September, the average temperature in Sint Jansklooster, Netherlands hovers around 15°C (59°F). Expect a range where temperatures dip to a cool 4°C (40°F) and occasionally rise to a warm 30°C (86°F). Be prepared for 69 mm (2.7 in) of precipitation spread over 11 days, contributing to an average humidity of 83%. Enjoy your stay in a place where the weather brings both charm and variety!
In September in Sint Jansklooster, the average temperature is 15°C (59°F). Maximum temperatures can reach 30°C (86°F), while minimum temperatures can drop as low as 4°C (40°F). It's a great time to visit, so pack accordingly for both warm and cooler days!
In Sint Jansklooster in September, the total precipitation amount is 69 mm (2.7 in) spread across 11 days.
In Sint Jansklooster in September humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.
In Sint Jansklooster 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 Sint Jansklooster.
UV Risk Categories
Weather in Sint Jansklooster varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sint Jansklooster, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 58 mm (2.3 inches) | 88% | low |
| February Weather | 5°C (40°F) | 66 mm (2.6 inches) | 88% | low |
| March Weather | 6°C (44°F) | 72 mm (2.8 inches) | 86% | moderate |
| April Weather | 9°C (49°F) | 40 mm (1.6 inches) | 84% | moderate |
| May Weather | 13°C (56°F) | 59 mm (2.3 inches) | 80% | high |
| June Weather | 17°C (64°F) | 74 mm (2.9 inches) | 75% | very high |
| July Weather | 18°C (65°F) | 90 mm (3.6 inches) | 75% | very high |
| August Weather | 18°C (65°F) | 88 mm (3.5 inches) | 75% | high |
| September Weather | 15°C (59°F) | 69 mm (2.7 inches) | 83% | moderate |
| October Weather | 12°C (54°F) | 86 mm (3.4 inches) | 86% | moderate |
| November Weather | 7°C (46°F) | 49 mm (1.9 inches) | 87% | low |
| December Weather | 5°C (42°F) | 81 mm (3.2 inches) | 86% | low |