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September Weather in Montague, United States

Last updated: June 24, 2025

In Montague, United States, the average temperature in September hovers around 18°C (64°F). Expect a range where the minimum dips to 1°C (33°F), while the maximum can soar to 37°C (98°F). Rainfall is moderate, with an average precipitation amount of 16 mm (0.6 in) spread over three days. Additionally, you'll experience an average humidity level of 62%, creating a generally comfortable atmosphere.

September Temperature in Montague

In September in Montague, the average temperature is 18°C (64°F), with maximums reaching up to 37°C (98°F) and minimums dipping as low as 1°C (33°F). It's advisable to pack for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Montague, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montague, September typically has an average temperature of 18°C (64°F), with highs reaching up to 37°C (98°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec373843495766747364524236
Data source: Temperature data for Montague 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 Montague

In Montague in September, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 days.

September Precipitation Trends in Montague

The chart displays monthly precipitation patterns in Montague, 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 Montague, September typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec109109905945163316416885
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Montague

In Montague in September humidity is 62%. With an average temperature of 18°C (64°F), this humidity feels like a warm yet refreshing embrace, making it quite pleasant for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Montague

This chart illustrates the average monthly humidity levels in Montague, 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 Montague is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%82%81%79%70%60%62%72%87%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Montague

In Montague 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 Montague.

Maximum UV Index Levels in Montague for September

The chart shows the monthly maximum UV Index (UVI) for Montague 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 Montague typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3479111111109643
Data source: Montague 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 Montague Compares to Other Months

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

This table compares monthly weather conditions in Montague, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)109 mm (4.3 inches)86%moderate
February Weather3°C (39°F)109 mm (4.3 inches)85%moderate
March Weather6°C (43°F)90 mm (3.6 inches)85%high
April Weather10°C (49°F)59 mm (2.3 inches)82%very high
May Weather14°C (57°F)45 mm (1.8 inches)81%extreme
June Weather19°C (66°F)16 mm (0.6 inches)79%extreme
July Weather23°C (74°F)3 mm (0.1 inches)70%extreme
August Weather23°C (73°F)3 mm (0.1 inches)60%very high
September Weather18°C (64°F)16 mm (0.6 inches)62%very high
October Weather11°C (52°F)41 mm (1.6 inches)72%high
November Weather6°C (42°F)68 mm (2.7 inches)87%moderate
December Weather2°C (36°F)85 mm (3.4 inches)86%moderate

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