September Weather in Shullsburg, United States

Last updated: June 24, 2025

The average temperature in Shullsburg, United States during September hovers around 19°C (66°F). Expect temperatures to range from a cool 2°C (37°F) to a warm 33°C (91°F). Be prepared for some rain, as precipitation typically totals around 110 mm (4.3 in) over the course of 9 days. With an average humidity of 74%, it's a good idea to stay hydrated and ready for various weather conditions!

September Temperature in Shullsburg

In September in Shullsburg, the average temperature is 19°C (66°F). The maximum can reach 33°C (91°F) and the minimum can be as low as 2°C (37°F). This varying climate makes Shullsburg a versatile destination for travelers seeking both warm and cool experiences.

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

The chart illustrates September temperature patterns in Shullsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shullsburg, September typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (91°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec222337476072757166523730
Data source: Temperature data for Shullsburg 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 Shullsburg

In Shullsburg in September, the precipitation amount is 110 mm (4.3 in) over the course of 9 days.

September Precipitation Trends in Shullsburg

The chart displays monthly precipitation patterns in Shullsburg, 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 Shullsburg, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec53596589144133861021101144544
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Shullsburg

In Shullsburg in September humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

September Average Humidity in Shullsburg

This chart illustrates the average monthly humidity levels in Shullsburg, 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 Shullsburg 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 Shullsburg

In Shullsburg 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 Shullsburg.

Maximum UV Index Levels in Shullsburg for September

The chart shows the monthly maximum UV Index (UVI) for Shullsburg 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 Shullsburg typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Shullsburg 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 Shullsburg Compares to Other Months

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

This table compares monthly weather conditions in Shullsburg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)53 mm (2.1 inches)84%moderate
February Weather-5°C (24°F)59 mm (2.3 inches)85%moderate
March Weather3°C (38°F)65 mm (2.6 inches)84%high
April Weather8°C (47°F)89 mm (3.5 inches)83%very high
May Weather16°C (61°F)144 mm (5.7 inches)75%very high
June Weather22°C (72°F)133 mm (5.2 inches)79%very high
July Weather24°C (75°F)86 mm (3.4 inches)75%very high
August Weather22°C (72°F)102 mm (4.0 inches)69%very high
September Weather19°C (66°F)110 mm (4.3 inches)74%very high
October Weather11°C (52°F)114 mm (4.5 inches)79%moderate
November Weather3°C (37°F)45 mm (1.8 inches)88%moderate
December Weather-1°C (30°F)44 mm (1.7 inches)82%low

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