Last updated: June 24, 2025
In September, the average temperature in Weimar, United States is a warm 27°C (81°F), with a range that can see lows of 12°C (53°F) to highs of 38°C (101°F). Expect 121 mm (4.8 in) of precipitation over about 13 days, accompanied by an average humidity level of 73%.
In September, in Weimar, the average temperature is 27°C (81°F). Maximums can reach 38°C (101°F), and minimums can drop as low as 12°C (53°F). This makes Weimar an ideal destination for travelers seeking warm weather, while also being prepared for cooler evenings.
In Weimar in September, the total precipitation amount is 121 mm (4.8 in) over the course of 13 days.
In Weimar in September, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.
In Weimar in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Weimar.
UV Risk Categories
Weather in Weimar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Weimar, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 12°C (54°F) | 66 mm (2.6 inches) | 78% | moderate |
February Weather | 13°C (56°F) | 78 mm (3.1 inches) | 81% | very high |
March Weather | 19°C (66°F) | 71 mm (2.8 inches) | 76% | very high |
April Weather | 21°C (70°F) | 98 mm (3.9 inches) | 79% | extreme |
May Weather | 25°C (78°F) | 139 mm (5.5 inches) | 79% | extreme |
June Weather | 28°C (83°F) | 120 mm (4.7 inches) | 74% | extreme |
July Weather | 29°C (85°F) | 100 mm (3.9 inches) | 71% | extreme |
August Weather | 30°C (86°F) | 147 mm (5.8 inches) | 68% | extreme |
September Weather | 27°C (81°F) | 121 mm (4.8 inches) | 73% | extreme |
October Weather | 22°C (72°F) | 85 mm (3.4 inches) | 75% | very high |
November Weather | 17°C (62°F) | 66 mm (2.6 inches) | 78% | high |
December Weather | 14°C (57°F) | 84 mm (3.3 inches) | 84% | moderate |