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September Weather in Montague, United States

Last updated: June 24, 2025

In September, the average temperature in Montague, United States hovers around 25°C (78°F). Daily highs can climb to a sweltering 38°C (101°F), while the mercury can dip as low as 9°C (49°F). Expect about 90 mm (3.5 in) of precipitation over 6 days, contributing to an average humidity of 64%. Stay prepared for a mix of warmth and moisture!

September Temperature in Montague

In September in Montague, the average temperature is 25°C (78°F). The maximum can reach 38°C (101°F), and the minimum can be as low as 9°C (49°F). This diverse temperature range makes Montague a perfect destination for travelers seeking both warm days and cooler evenings.

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 25°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec444658647381858478665449
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 total precipitation amount reaches 90 mm (3.5 in) over the course of 6 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 90 mm (3.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec43667778115642975901004348
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 64%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket wrapping around you, making it feel much warmer than the actual temperature, which can be a bit stifling for traveling but also adds a lush, tropical feel to the atmosphere.

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 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
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 Weather7°C (44°F)43 mm (1.7 inches)77%moderate
February Weather8°C (46°F)66 mm (2.6 inches)76%high
March Weather14°C (58°F)77 mm (3.0 inches)74%very high
April Weather18°C (64°F)78 mm (3.1 inches)75%very high
May Weather23°C (74°F)115 mm (4.5 inches)80%extreme
June Weather27°C (81°F)64 mm (2.5 inches)80%extreme
July Weather30°C (85°F)29 mm (1.2 inches)75%extreme
August Weather29°C (85°F)75 mm (2.9 inches)67%extreme
September Weather25°C (78°F)90 mm (3.5 inches)64%very high
October Weather19°C (66°F)100 mm (3.9 inches)70%very high
November Weather12°C (55°F)43 mm (1.7 inches)82%high
December Weather9°C (49°F)48 mm (1.9 inches)85%moderate

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