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September Weather in Montezuma, United States

Last updated: June 24, 2025

In September, the average temperature in Montezuma, United States hovers around 22°C (72°F), but can vary significantly, with lows of 3°C (38°F) and highs reaching up to 39°C (103°F). Expect around 38 mm (1.5 in) of rainfall spread over 7 days, accompanied by an average humidity of 79%. Stay prepared for a mix of warm days and cooler nights!

September Temperature in Montezuma

In September in Montezuma, the average temperature is 22°C (72°F). Maximums can reach 39°C (103°F), while minimums can be as low as 3°C (38°F). Be prepared for a wide range of temperatures when traveling to Montezuma this month.

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

The chart illustrates September temperature patterns in Montezuma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montezuma, September typically has an average temperature of 22°C (72°F), with highs reaching up to 39°C (103°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec333447546476797772564537
Data source: Temperature data for Montezuma 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 Montezuma

In Montezuma in September, the precipitation amount is 38 mm (1.5 in) over the course of 7 days.

September Precipitation Trends in Montezuma

The chart displays monthly precipitation patterns in Montezuma, 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 Montezuma, September typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1915624312662466638541324
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Montezuma

In Montezuma in September humidity is 79%. With an average temperature of 22°C (72°F), this humidity feels like you are enveloped in a warm, heavy blanket, making it feel considerably hotter and adding a layer of stickiness to your skin as you navigate through the streets.

September Average Humidity in Montezuma

This chart illustrates the average monthly humidity levels in Montezuma, 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 Montezuma is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%65%67%81%82%82%84%79%75%79%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Montezuma

In Montezuma 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 Montezuma.

Maximum UV Index Levels in Montezuma for September

The chart shows the monthly maximum UV Index (UVI) for Montezuma 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 Montezuma typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111211119753
Data source: Montezuma 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 Montezuma Compares to Other Months

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

This table compares monthly weather conditions in Montezuma, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)19 mm (0.7 inches)74%moderate
February Weather1°C (34°F)15 mm (0.6 inches)77%high
March Weather8°C (47°F)62 mm (2.5 inches)65%very high
April Weather12°C (54°F)43 mm (1.7 inches)67%very high
May Weather18°C (64°F)126 mm (5.0 inches)81%extreme
June Weather24°C (76°F)62 mm (2.4 inches)82%extreme
July Weather26°C (80°F)46 mm (1.8 inches)82%extreme
August Weather25°C (77°F)66 mm (2.6 inches)84%extreme
September Weather22°C (72°F)38 mm (1.5 inches)79%very high
October Weather13°C (56°F)54 mm (2.1 inches)75%high
November Weather7°C (45°F)13 mm (0.5 inches)79%moderate
December Weather3°C (37°F)24 mm (0.9 inches)83%moderate

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