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September Weather in Montgomery, United States

Last updated: June 24, 2025

In Montgomery, United States, the average temperature in September is a warm 26°C (80°F). Expect minimums dipping to 12°C (53°F) and soaring highs of 38°C (101°F). During this month, the area experiences 131 mm (5.2 in) of precipitation spread over 14 days, contributing to an average humidity of 69%.

September Temperature in Montgomery

In September in Montgomery, the average temperature is 26°C (80°F), with maximums reaching 38°C (101°F) and minimums dropping as low as 12°C (53°F). It's advisable to pack for warm days and cooler evenings while planning your trip.

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

The chart illustrates September temperature patterns in Montgomery, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montgomery, September typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec525564687681848480716056
Data source: Temperature data for Montgomery 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 Montgomery

In Montgomery in September, the precipitation amount is 131 mm (5.2 in) spread over the course of 14 days.

September Precipitation Trends in Montgomery

The chart displays monthly precipitation patterns in Montgomery, 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 Montgomery, September typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec80101751031951369913813110179117
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Montgomery

In Montgomery in September, humidity is 69%. With an average temperature of 26°C (80°F), this humidity feels like a warm, steamy embrace, making outdoor activities slightly sweaty and requiring frequent breaks for hydration but still inviting for leisurely strolls or exploring local attractions.

September Average Humidity in Montgomery

This chart illustrates the average monthly humidity levels in Montgomery, 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 Montgomery is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Montgomery

In Montgomery 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 Montgomery.

Maximum UV Index Levels in Montgomery for September

The chart shows the monthly maximum UV Index (UVI) for Montgomery 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 Montgomery typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110865
Data source: Montgomery 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 Montgomery Compares to Other Months

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

This table compares monthly weather conditions in Montgomery, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)80 mm (3.1 inches)79%moderate
February Weather13°C (55°F)101 mm (4.0 inches)80%very high
March Weather18°C (64°F)75 mm (2.9 inches)78%very high
April Weather20°C (68°F)103 mm (4.1 inches)79%extreme
May Weather25°C (77°F)195 mm (7.7 inches)81%extreme
June Weather27°C (82°F)135 mm (5.3 inches)77%extreme
July Weather29°C (84°F)99 mm (3.9 inches)71%extreme
August Weather29°C (84°F)138 mm (5.4 inches)67%extreme
September Weather26°C (80°F)131 mm (5.2 inches)69%very high
October Weather22°C (71°F)101 mm (4.0 inches)73%very high
November Weather16°C (61°F)79 mm (3.1 inches)82%high
December Weather13°C (56°F)117 mm (4.6 inches)87%moderate

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