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September Weather in Miller, United States

Last updated: June 24, 2025

In September, the average temperature in Miller, United States is a pleasant 23°C (73°F). Expect a minimum of 7°C (45°F) and a maximum of 35°C (95°F), making for some delightful swings throughout the day. The region experiences 63 mm (2.5 in) of precipitation over 6 days, ensuring the landscape remains vibrant. With an average humidity level of 64%, the air holds just the right amount of moisture for a comfortable climate.

September Temperature in Miller

In September in Miller, the average temperature is 23°C (73°F), with maximums reaching 35°C (95°F) and minimums dipping as low as 7°C (45°F). It's advisable to pack both light clothing for the warmth and warmer layers for the cooler evenings during your travels.

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

The chart illustrates September temperature patterns in Miller, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miller, September typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec353849566676797773594641
Data source: Temperature data for Miller 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 Miller

In Miller in September, the precipitation amount is 63 mm (2.5 in) spread over a duration of 6 days.

September Precipitation Trends in Miller

The chart displays monthly precipitation patterns in Miller, 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 Miller, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec82771441471799088130631426549
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Miller

In Miller in September, humidity is 64%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel quite comfortable yet slightly sticky, urging travelers to enjoy leisurely activities early in the day or seek shade during peak hours.

September Average Humidity in Miller

This chart illustrates the average monthly humidity levels in Miller, 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 Miller is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Miller

In Miller 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 Miller.

Maximum UV Index Levels in Miller for September

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

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

This table compares monthly weather conditions in Miller, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)82 mm (3.2 inches)81%moderate
February Weather3°C (38°F)77 mm (3.0 inches)78%high
March Weather10°C (50°F)144 mm (5.7 inches)76%high
April Weather13°C (56°F)147 mm (5.8 inches)78%very high
May Weather19°C (67°F)179 mm (7.0 inches)83%very high
June Weather25°C (76°F)90 mm (3.5 inches)83%extreme
July Weather26°C (80°F)88 mm (3.5 inches)78%extreme
August Weather25°C (77°F)130 mm (5.1 inches)68%very high
September Weather23°C (73°F)63 mm (2.5 inches)64%very high
October Weather15°C (59°F)142 mm (5.6 inches)70%high
November Weather8°C (47°F)64 mm (2.5 inches)83%moderate
December Weather5°C (42°F)49 mm (1.9 inches)87%moderate

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