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September Weather in Wallace, United States

Last updated: June 24, 2025

In Wallace, United States, the average temperature in September hovers around 13°C (56°F). However, temperatures can swing widely, with minimums dipping to -2°C (28°F) and maximums soaring to 33°C (92°F). Expect 51 mm (2.0 in) of precipitation over about 7 days, accompanied by an average humidity of 62%.

September Temperature in Wallace

In September in Wallace, the average temperature is 13°C (56°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures during your visit.

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

The chart illustrates September temperature patterns in Wallace, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wallace, September typically has an average temperature of 13°C (56°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec272433405259686756423428
Data source: Temperature data for Wallace 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 Wallace

In Wallace in September, the precipitation amount is 51 mm (2.0 in) over a period of 7 days.

September Precipitation Trends in Wallace

The chart displays monthly precipitation patterns in Wallace, 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 Wallace, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1201551041079055112451110146142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wallace

In Wallace in September, humidity is 62%. With an average temperature of 13°C (56°F), this humidity feels like a chill in the air that adds a touch of dampness to your travels, making it essential to dress in layers for comfort while exploring the sights.

September Average Humidity in Wallace

This chart illustrates the average monthly humidity levels in Wallace, 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 Wallace is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wallace

In Wallace 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 Wallace.

Maximum UV Index Levels in Wallace for September

The chart shows the monthly maximum UV Index (UVI) for Wallace 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 Wallace typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
Data source: Wallace 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 Wallace Compares to Other Months

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

This table compares monthly weather conditions in Wallace, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)120 mm (4.7 inches)89%low
February Weather-4°C (25°F)155 mm (6.1 inches)89%moderate
March Weather1°C (34°F)104 mm (4.1 inches)87%high
April Weather5°C (41°F)107 mm (4.2 inches)84%high
May Weather11°C (52°F)90 mm (3.5 inches)77%very high
June Weather15°C (59°F)55 mm (2.2 inches)78%very high
July Weather20°C (69°F)11 mm (0.4 inches)77%very high
August Weather19°C (67°F)23 mm (0.9 inches)64%very high
September Weather13°C (56°F)51 mm (2.0 inches)62%high
October Weather6°C (42°F)110 mm (4.3 inches)79%moderate
November Weather1°C (34°F)146 mm (5.7 inches)87%moderate
December Weather-2°C (28°F)142 mm (5.6 inches)90%low

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