September Weather in Montezuma, United States

Last updated: June 24, 2025

In September, the average temperature in Montezuma, United States reaches a pleasant 26°C (79°F). Expect a temperature range from a cool 13°C (55°F) at night to a sizzling 38°C (100°F) during the day. Be prepared for some rain, as the area sees about 103 mm (4.1 in) of precipitation over 9 days. With an average humidity of 82%, it's wise to stay hydrated and cool during your visit!

September Temperature in Montezuma

In September in Montezuma, the average temperature is 26°C (79°F), with maximums reaching 38°C (100°F) and minimums dropping to as low as 13°C (55°F). This diverse weather makes Montezuma an ideal destination for travelers who enjoy a mix of warm days and cooler evenings.

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 26°C (79°F), with highs reaching up to 38°C (100°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec505661667580828279705752
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 103 mm (4.1 in) distributed over 9 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 103 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9511488105829210410910310365122
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 82%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket that envelops you, making outdoor activities feel more taxing and requiring frequent breaks to stay hydrated.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
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 Weather10°C (50°F)95 mm (3.7 inches)86%moderate
February Weather13°C (56°F)114 mm (4.5 inches)84%high
March Weather16°C (61°F)88 mm (3.5 inches)83%very high
April Weather19°C (66°F)105 mm (4.1 inches)81%very high
May Weather24°C (75°F)82 mm (3.2 inches)81%extreme
June Weather27°C (80°F)92 mm (3.6 inches)81%extreme
July Weather28°C (83°F)103 mm (4.1 inches)83%extreme
August Weather28°C (82°F)109 mm (4.3 inches)81%extreme
September Weather26°C (79°F)103 mm (4.1 inches)82%very high
October Weather21°C (71°F)103 mm (4.1 inches)78%very high
November Weather14°C (57°F)65 mm (2.6 inches)86%high
December Weather11°C (53°F)122 mm (4.8 inches)89%moderate

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