September Weather in Melrose, United States

Last updated: June 24, 2025

In September, the average temperature in Melrose, United States hovers around 17°C (63°F), creating a pleasant atmosphere. However, be prepared for a broad temperature range, with minimums dipping to 3°C (37°F) and maximums reaching up to 38°C (100°F). During this month, expect about 60 mm (2.4 in) of precipitation spread over 6 days, and enjoy an average humidity of 66%, adding to the season's distinctive charm.

September Temperature in Melrose

In September in Melrose, the average temperature is 17°C (63°F). Maximums can reach 38°C (100°F), and minimums can be as low as 3°C (37°F). This wide range of temperatures makes Melrose a great destination for travelers seeking both warm and cooler weather experiences.

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 (63°F), with highs reaching up to 38°C (100°F) and lows dropping to around 3°C (37°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 total precipitation amount is 60 mm (2.4 in) spread over 6 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 60 mm (2.4 inches) of precipitation spread over approximately 6 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 66%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel refreshing yet slightly muggy, perfect for leisurely strolls or picturesque outdoor explorations, but travelers should be prepared for occasional discomfort as they navigate the vibrant sights.

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 66%, 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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very 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	5°C (42°F)	150 mm (5.9 inches)	84%	moderate
February Weather	5°C (42°F)	187 mm (7.4 inches)	85%	moderate
March Weather	7°C (45°F)	130 mm (5.1 inches)	86%	high
April Weather	10°C (50°F)	116 mm (4.6 inches)	83%	very high
May Weather	13°C (56°F)	63 mm (2.5 inches)	83%	very high
June Weather	17°C (62°F)	35 mm (1.4 inches)	83%	very high
July Weather	19°C (67°F)	2 mm (0.1 inches)	78%	very high
August Weather	20°C (67°F)	7 mm (0.3 inches)	67%	very high
September Weather	17°C (63°F)	60 mm (2.4 inches)	66%	very high
October Weather	12°C (53°F)	73 mm (2.9 inches)	77%	high
November Weather	8°C (46°F)	121 mm (4.8 inches)	87%	moderate
December Weather	5°C (41°F)	167 mm (6.6 inches)	87%	low