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September Weather in Cresco, United States

Last updated: June 24, 2025

In September, the average temperature in Cresco, United States is a pleasant 18°C (64°F). During this time, temperatures can swing from a chilly 1°C (35°F) to a warm 32°C (91°F). Expect some rainfall, with 115 mm (4.5 in) of precipitation spread over 9 days. The air tends to be quite humid, with an average humidity level of 74%.

September Temperature in Cresco

In September in Cresco, the average temperature is 18°C (64°F). Maximum temperatures can reach 32°C (91°F), while minimums can drop as low as 1°C (35°F). Overall, it's a great time to visit Cresco, as you can experience a pleasant mix of warm and cooler days perfect for exploring.

September Weather in Cresco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cresco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cresco, September typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (91°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec191935455971737064493427
Data source: Temperature data for Cresco generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Cresco

In Cresco in September, the precipitation amount is 115 mm (4.5 in) over the course of 9 days, indicating a relatively wet period for the region.

September Precipitation Trends in Cresco

The chart displays monthly precipitation patterns in Cresco, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Cresco, September typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec374963831491311061041151295440
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cresco

In Cresco in September humidity is 74%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but potentially uncomfortable for extended outdoor activities.

September Average Humidity in Cresco

This chart illustrates the average monthly humidity levels in Cresco, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Cresco is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%84%83%75%79%75%69%74%79%88%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cresco

In Cresco in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Cresco.

Maximum UV Index Levels in Cresco for September

The chart shows the monthly maximum UV Index (UVI) for Cresco in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Cresco typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589101098532
Data source: Cresco September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Cresco Compares to Other Months

Weather in Cresco varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cresco, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Cresco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)37 mm (1.4 inches)84%moderate
February Weather-7°C (20°F)49 mm (1.9 inches)85%moderate
March Weather1°C (35°F)63 mm (2.5 inches)84%moderate
April Weather7°C (45°F)83 mm (3.3 inches)83%very high
May Weather15°C (59°F)149 mm (5.9 inches)75%very high
June Weather21°C (71°F)131 mm (5.2 inches)79%very high
July Weather23°C (74°F)106 mm (4.2 inches)75%very high
August Weather21°C (70°F)104 mm (4.1 inches)69%very high
September Weather18°C (64°F)115 mm (4.5 inches)74%very high
October Weather9°C (49°F)129 mm (5.1 inches)79%moderate
November Weather1°C (34°F)54 mm (2.1 inches)88%moderate
December Weather-3°C (27°F)40 mm (1.6 inches)82%low

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