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September Weather in Melrose, United States

Last updated: June 24, 2025

In September, the average temperature in Melrose, United States is a pleasant 22°C (71°F). Temperatures can vary significantly, with a minimum of 2°C (36°F) and peaking at 36°C (98°F). The region experiences an average precipitation of 32 mm (1.3 in) over 5 days, contributing to an average humidity of 76%.

September Temperature in Melrose

In September, in Melrose, the average temperature is 22°C (71°F). Maximums can reach 36°C (98°F), and minimums can be as low as 2°C (36°F). It's advisable to pack for both warm days and cooler nights while traveling during this time.

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

The chart illustrates September temperature patterns in Melrose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Melrose, September typically has an average temperature of 22°C (71°F), with highs reaching up to 36°C (98°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec394352596977797771584841
Data source: Temperature data for Melrose 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 Melrose

In Melrose in September, the precipitation amount is 32 mm (1.3 in) over the course of 5 days.

September Precipitation Trends in Melrose

The chart displays monthly precipitation patterns in Melrose, 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 Melrose, September typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec15112820324626453258127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Melrose

In Melrose in September, humidity is 76%. With an average temperature of 22°C (71°F), this humidity feels like traveling through a warm, dense mist that clings to your skin, making every step feel heavier and the air seem thicker, which can be quite draining for outdoor activities.

September Average Humidity in Melrose

This chart illustrates the average monthly humidity levels in Melrose, 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 Melrose is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%61%62%69%74%75%78%76%76%80%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Melrose

In Melrose 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 Melrose.

Maximum UV Index Levels in Melrose for September

The chart shows the monthly maximum UV Index (UVI) for Melrose 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 Melrose typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121210864
Data source: Melrose 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 Melrose Compares to Other Months

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

This table compares monthly weather conditions in Melrose, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)15 mm (0.6 inches)74%moderate
February Weather6°C (43°F)11 mm (0.4 inches)75%high
March Weather11°C (52°F)28 mm (1.1 inches)61%very high
April Weather15°C (59°F)20 mm (0.8 inches)61%extreme
May Weather20°C (69°F)32 mm (1.2 inches)69%extreme
June Weather25°C (77°F)46 mm (1.8 inches)74%extreme
July Weather26°C (80°F)26 mm (1.0 inches)75%extreme
August Weather25°C (78°F)45 mm (1.8 inches)78%extreme
September Weather22°C (71°F)32 mm (1.3 inches)76%very high
October Weather14°C (58°F)58 mm (2.3 inches)76%very high
November Weather9°C (49°F)12 mm (0.5 inches)80%high
December Weather5°C (42°F)7 mm (0.3 inches)77%moderate

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