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September Weather in Marana, United States

Last updated: June 24, 2025

In September, the average temperature in Marana, United States reaches a warm 29°C (85°F). Expect some fluctuations, with minimum temperatures dipping to 13°C (56°F) and maximums soaring up to 43°C (109°F). Over this period, the region receives about 26 mm (1.0 in) of precipitation across 3 days, while the average humidity sits comfortably at 64%.

September Temperature in Marana

In September in Marana, the average temperature is 29°C (85°F). Maximums can reach 43°C (109°F), while minimums can drop as low as 13°C (56°F). Travelers should be prepared for warm days and cool nights, making it ideal to pack layers for comfort.

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

The chart illustrates September temperature patterns in Marana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marana, September typically has an average temperature of 29°C (85°F), with highs reaching up to 43°C (109°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec535663727989909085746554
Data source: Temperature data for Marana 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 Marana

In Marana in September, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

September Precipitation Trends in Marana

The chart displays monthly precipitation patterns in Marana, 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 Marana, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec263116227523926101726
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Marana

In Marana in September humidity is 64%. With an average temperature of 29°C (85°F), this humidity feels like a warm embrace, making travel both invigorating and slightly stifling, as the heat wraps around you and the air feels thick, urging you to seek shade and refreshing drinks.

September Average Humidity in Marana

This chart illustrates the average monthly humidity levels in Marana, 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 Marana is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Marana

In Marana in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Marana.

Maximum UV Index Levels in Marana for September

The chart shows the monthly maximum UV Index (UVI) for Marana 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 Marana typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121111864
Data source: Marana 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 Marana Compares to Other Months

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

This table compares monthly weather conditions in Marana, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)26 mm (1.0 inches)76%moderate
February Weather13°C (56°F)31 mm (1.2 inches)79%high
March Weather17°C (63°F)16 mm (0.6 inches)67%very high
April Weather22°C (73°F)2 mm (0.1 inches)55%extreme
May Weather26°C (79°F)2 mm (0.1 inches)40%extreme
June Weather32°C (89°F)7 mm (0.3 inches)33%extreme
July Weather32°C (90°F)52 mm (2.0 inches)34%extreme
August Weather32°C (90°F)39 mm (1.5 inches)48%extreme
September Weather29°C (85°F)26 mm (1.0 inches)64%extreme
October Weather23°C (74°F)9 mm (0.4 inches)67%very high
November Weather18°C (65°F)17 mm (0.7 inches)77%high
December Weather12°C (55°F)26 mm (1.0 inches)82%moderate

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