Last updated: June 24, 2025
The average temperature in Waupaca, United States during September hovers around 17°C (63°F). Expect temperature fluctuations from a chilly 1°C (34°F) at night to a warm 33°C (91°F) during the day. Be prepared for some rain, with total precipitation reaching 92 mm (3.6 in) over approximately 11 days. Don't forget that the average humidity sits at a comfortable 78%, making it a uniquely vibrant time of year!
In September in Waupaca, the average temperature is 17°C (63°F). Maximums can reach 33°C (91°F) and minimums can be as low as 1°C (34°F). Be sure to pack layers to accommodate the wide temperature range while exploring.
In Waupaca in September, the precipitation amount is 92 mm (3.6 in) spread over 11 days.
In Waupaca in September, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.
In Waupaca in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Waupaca.
UV Risk Categories
Weather in Waupaca varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Waupaca, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -7°C (20°F) | 42 mm (1.6 inches) | 89% | low |
February Weather | -7°C (20°F) | 50 mm (2.0 inches) | 90% | moderate |
March Weather | 1°C (33°F) | 62 mm (2.4 inches) | 87% | moderate |
April Weather | 6°C (44°F) | 99 mm (3.9 inches) | 84% | very high |
May Weather | 14°C (58°F) | 106 mm (4.2 inches) | 77% | very high |
June Weather | 21°C (69°F) | 108 mm (4.2 inches) | 75% | very high |
July Weather | 23°C (73°F) | 120 mm (4.7 inches) | 74% | very high |
August Weather | 21°C (70°F) | 120 mm (4.7 inches) | 73% | very high |
September Weather | 17°C (63°F) | 92 mm (3.6 inches) | 78% | high |
October Weather | 10°C (50°F) | 104 mm (4.1 inches) | 84% | moderate |
November Weather | 1°C (35°F) | 50 mm (2.0 inches) | 89% | moderate |
December Weather | -3°C (26°F) | 54 mm (2.1 inches) | 87% | low |