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September Weather in Midvale, United States

Last updated: June 24, 2025

In September, the average temperature in Midvale, United States is a pleasant 20°C (68°F). However, temperatures can fluctuate, with minimums dipping to 4°C (39°F) and reaching highs of 34°C (93°F). Expect 110 mm (4.3 in) of precipitation over approximately 10 days, coupled with an average humidity of 77%.

September Temperature in Midvale

In September in Midvale, the average temperature is 20°C (68°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 4°C (39°F). Overall, this month offers a pleasant variety of temperatures, making it an excellent time for travelers to explore the region.

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

The chart illustrates September temperature patterns in Midvale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Midvale, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec303441516270757368574236
Data source: Temperature data for Midvale 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 Midvale

In Midvale in September, the precipitation amount is 110 mm (4.3 in) over a period of 10 days.

September Precipitation Trends in Midvale

The chart displays monthly precipitation patterns in Midvale, 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 Midvale, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec921101021341211321261001101169696
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Midvale

In Midvale in September, humidity is 77%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace, making it essential for travelers to stay hydrated and take breaks in shaded areas to avoid feeling sluggish in the heat.

September Average Humidity in Midvale

This chart illustrates the average monthly humidity levels in Midvale, 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 Midvale is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Midvale

In Midvale 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 Midvale.

Maximum UV Index Levels in Midvale for September

The chart shows the monthly maximum UV Index (UVI) for Midvale 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 Midvale typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Midvale 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 Midvale Compares to Other Months

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

This table compares monthly weather conditions in Midvale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)92 mm (3.6 inches)88%moderate
February Weather1°C (34°F)110 mm (4.3 inches)88%moderate
March Weather5°C (41°F)102 mm (4.0 inches)87%high
April Weather11°C (51°F)134 mm (5.3 inches)87%very high
May Weather17°C (63°F)121 mm (4.8 inches)81%very high
June Weather21°C (71°F)132 mm (5.2 inches)83%very high
July Weather24°C (75°F)126 mm (5.0 inches)82%very high
August Weather23°C (73°F)100 mm (4.0 inches)76%very high
September Weather20°C (68°F)110 mm (4.3 inches)77%very high
October Weather14°C (57°F)115 mm (4.5 inches)82%high
November Weather5°C (42°F)96 mm (3.8 inches)89%moderate
December Weather2°C (36°F)96 mm (3.8 inches)86%low

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