September Weather in Melrose, United States

Last updated: June 24, 2025

In September, the average temperature in Melrose, United States hovers around 17°C (62°F). Expect a wide range, with minimums dipping to 0°C (33°F) and maximums soaring to 32°C (89°F). During this time, precipitation averages 113 mm (4.4 in) over 9 days, contributing to an average humidity of 81%.

September Temperature in Melrose

In September in Melrose, the average temperature is 17°C (62°F). Maximums can reach 32°C (89°F), while minimums can drop as low as 0°C (33°F). This diverse range of temperatures makes Melrose an exciting destination for travelers looking to experience varied weather conditions.

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 17°C (62°F), with highs reaching up to 32°C (89°F) and lows dropping to around 0°C (33°F).

Data source: Temperature data for Melrose generated using information from the Copernicus Climate Change Service.

September Precipitation in Melrose

In Melrose in September, the precipitation amount is 113 mm (4.4 in) over a period of 9 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 113 mm (4.4 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Melrose

In Melrose in September, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.

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 81%, offering insight into how humid the weather typically is during this month.

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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. 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 7, which falls under the high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	19 mm (0.8 inches)	87%	low
February Weather	-10°C (14°F)	22 mm (0.8 inches)	90%	moderate
March Weather	-1°C (31°F)	44 mm (1.7 inches)	85%	moderate
April Weather	5°C (41°F)	73 mm (2.9 inches)	84%	high
May Weather	14°C (57°F)	88 mm (3.5 inches)	78%	very high
June Weather	21°C (70°F)	75 mm (2.9 inches)	80%	very high
July Weather	23°C (73°F)	100 mm (3.9 inches)	81%	very high
August Weather	20°C (69°F)	131 mm (5.2 inches)	81%	very high
September Weather	17°C (62°F)	113 mm (4.4 inches)	81%	high
October Weather	8°C (46°F)	99 mm (3.9 inches)	84%	moderate
November Weather	-1°C (31°F)	28 mm (1.1 inches)	88%	moderate
December Weather	-6°C (21°F)	45 mm (1.8 inches)	84%	low