Last updated: August 22, 2025
In September, the average temperature in Deutsch Jahrndorf, Austria hovers around 17°C (63°F). Temperatures can range from a cool 3°C (38°F) at their lowest to a warm 32°C (90°F) at their peak. Expect 86 mm (3.4 in) of precipitation spread over about 9 days, with an average humidity of 65%. Whether you're enjoying the sunshine or dodging the occasional drizzle, it's a month full of surprises!
In September in Deutsch Jahrndorf, the average temperature is 17°C (63°F), with maximums reaching 32°C (90°F) and minimums dipping as low as 3°C (38°F). This diverse temperature range makes it essential for travelers to pack layers to enjoy both warm days and cooler evenings.
In Deutsch Jahrndorf in September, the precipitation amount is 86 mm (3.4 in), falling over the course of 9 days.
In Deutsch Jahrndorf in September humidity is 65%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making it a comfortable yet slightly muggy experience for traveling, where you might find yourself seeking shade or a refreshing drink to stay cool and refreshed.
In Deutsch Jahrndorf 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 Deutsch Jahrndorf, you can refer to this Hourly UV Index in Deutsch Jahrndorf.
UV Risk Categories
Weather in Deutsch Jahrndorf varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Deutsch Jahrndorf, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 32 mm (1.3 inches) | 90% | low |
| February Weather | 4°C (39°F) | 32 mm (1.2 inches) | 84% | moderate |
| March Weather | 7°C (44°F) | 33 mm (1.3 inches) | 78% | moderate |
| April Weather | 12°C (53°F) | 33 mm (1.3 inches) | 73% | high |
| May Weather | 16°C (61°F) | 74 mm (2.9 inches) | 71% | very high |
| June Weather | 22°C (71°F) | 64 mm (2.5 inches) | 73% | very high |
| July Weather | 22°C (73°F) | 63 mm (2.5 inches) | 70% | very high |
| August Weather | 23°C (73°F) | 68 mm (2.7 inches) | 60% | very high |
| September Weather | 17°C (63°F) | 86 mm (3.4 inches) | 65% | high |
| October Weather | 12°C (54°F) | 45 mm (1.8 inches) | 84% | moderate |
| November Weather | 7°C (45°F) | 50 mm (2.0 inches) | 89% | low |
| December Weather | 3°C (38°F) | 58 mm (2.3 inches) | 89% | low |