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September Weather in Smiths Grove, United States

Last updated: June 24, 2025

In September, the average temperature in Smiths Grove, United States hovers around 23°C (73°F), but be prepared for variations! Temperatures can dip as low as 8°C (47°F) or soar to a sizzling 37°C (98°F). Expect a moderate precipitation of 132 mm (5.2 in) over about 8 days, accompanied by an average humidity level of 71%. Stay comfortable and enjoy your time in this vibrant locale!

September Temperature in Smiths Grove

In September in Smiths Grove, the average temperature is 23°C (73°F). Maximums can reach 37°C (98°F) and minimums can be as low as 8°C (47°F). This makes Smiths Grove a delightful destination for travelers looking to enjoy warm weather, while also being prepared for cooler evenings.

September Weather in Smiths Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Smiths Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smiths Grove, September typically has an average temperature of 23°C (73°F), with highs reaching up to 37°C (98°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec394351586976807873624743
Data source: Temperature data for Smiths Grove 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 Smiths Grove

In Smiths Grove in September, the total precipitation amount is 132 mm (5.2 in), which occurs over the span of 8 days.

September Precipitation Trends in Smiths Grove

The chart displays monthly precipitation patterns in Smiths Grove, 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 Smiths Grove, September typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9718014015812115912013413213187137
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Smiths Grove

In Smiths Grove in September humidity is 71%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor exploration slightly uncomfortable but still manageable if you stay hydrated and plan for breaks in shaded areas.

September Average Humidity in Smiths Grove

This chart illustrates the average monthly humidity levels in Smiths Grove, 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 Smiths Grove is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Smiths Grove

In Smiths Grove in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Smiths Grove.

Maximum UV Index Levels in Smiths Grove for September

The chart shows the monthly maximum UV Index (UVI) for Smiths Grove 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 Smiths Grove typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Smiths Grove 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 Smiths Grove Compares to Other Months

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

This table compares monthly weather conditions in Smiths Grove, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)97 mm (3.8 inches)87%moderate
February Weather6°C (43°F)180 mm (7.1 inches)86%high
March Weather10°C (51°F)140 mm (5.5 inches)86%high
April Weather14°C (58°F)158 mm (6.2 inches)82%very high
May Weather21°C (70°F)121 mm (4.8 inches)82%very high
June Weather24°C (76°F)159 mm (6.3 inches)83%extreme
July Weather27°C (80°F)120 mm (4.7 inches)80%extreme
August Weather25°C (78°F)134 mm (5.3 inches)74%very high
September Weather23°C (73°F)132 mm (5.2 inches)71%very high
October Weather17°C (62°F)131 mm (5.2 inches)78%high
November Weather8°C (47°F)87 mm (3.4 inches)88%moderate
December Weather6°C (44°F)137 mm (5.4 inches)88%moderate

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