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September Weather in Wall Lake, United States

Last updated: June 24, 2025

In September, the average temperature in Wall Lake, United States is a pleasant 20°C (67°F). However, as the weather can be quite variable, you might experience a minimum of 4°C (39°F) and a scorching maximum of 36°C (96°F). Expect approximately 102 mm (4.0 in) of precipitation over 9 days, with an average humidity level of 75%. Be prepared for a mix of sunny days and occasional showers!

September Temperature in Wall Lake

In September in Wall Lake, the average temperature is 20°C (67°F), with maximums reaching as high as 36°C (96°F) and minimums dropping to as low as 4°C (39°F). This diverse range of temperatures makes it essential for travelers to pack accordingly for both warm days and cooler evenings.

September Weather in Wall Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Wall Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wall Lake, September typically has an average temperature of 20°C (67°F), with highs reaching up to 36°C (96°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec222238486174767267513729
Data source: Temperature data for Wall Lake 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 Wall Lake

In Wall Lake in September, the total precipitation amount is 102 mm (4.0 in) over a span of 9 days.

September Precipitation Trends in Wall Lake

The chart displays monthly precipitation patterns in Wall Lake, 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 Wall Lake, September typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec27417868152113641101021123439
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wall Lake

In Wall Lake in September humidity is 75%. With an average temperature of 20°C (67°F), this humidity feels like a warm, enveloping blanket that makes outdoor activities more strenuous, causing travelers to feel sticky and fatigued faster.

September Average Humidity in Wall Lake

This chart illustrates the average monthly humidity levels in Wall Lake, 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 Wall Lake is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%75%79%74%81%82%80%75%77%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wall Lake

In Wall Lake 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 Wall Lake.

Maximum UV Index Levels in Wall Lake for September

The chart shows the monthly maximum UV Index (UVI) for Wall Lake 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 Wall Lake typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589111098632
Data source: Wall Lake 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 Wall Lake Compares to Other Months

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

This table compares monthly weather conditions in Wall Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)27 mm (1.1 inches)80%moderate
February Weather-5°C (22°F)41 mm (1.6 inches)84%moderate
March Weather3°C (38°F)78 mm (3.1 inches)75%moderate
April Weather9°C (48°F)67 mm (2.7 inches)79%very high
May Weather16°C (61°F)152 mm (6.0 inches)74%very high
June Weather23°C (74°F)113 mm (4.4 inches)81%extreme
July Weather24°C (76°F)64 mm (2.5 inches)82%very high
August Weather22°C (73°F)110 mm (4.3 inches)80%very high
September Weather20°C (67°F)102 mm (4.0 inches)75%very high
October Weather10°C (51°F)112 mm (4.4 inches)77%high
November Weather3°C (37°F)34 mm (1.3 inches)85%moderate
December Weather-2°C (29°F)39 mm (1.5 inches)83%low

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