September Weather in Macy, United States

Last updated: June 24, 2025

In September, the average temperature in Macy, United States hovers around 20°C (69°F). However, be prepared for a diverse range, as temperatures can dip to a chilly 4°C (40°F) or soar up to a scorching 36°C (96°F). Expect 85 mm (3.3 in) of precipitation spread over 9 days, contributing to an average humidity of 75%.

September Temperature in Macy

In September in Macy, the average temperature is 20°C (69°F). The maximum can reach 36°C (96°F) and the minimum can be as low as 4°C (40°F). It's advisable to pack both light clothing for the warm days and warmer layers for cooler evenings.

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

The chart illustrates September temperature patterns in Macy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macy, September typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (96°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Macy

In Macy in September, the precipitation amount is 85 mm (3.3 in) over the course of 9 days.

September Precipitation Trends in Macy

The chart displays monthly precipitation patterns in Macy, 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 Macy, September typically receives around 85 mm (3.3 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 Macy

In Macy in September, humidity is 75%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel a bit muggy and requiring frequent hydration breaks to stay comfortable while exploring.

September Average Humidity in Macy

This chart illustrates the average monthly humidity levels in Macy, 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 Macy is approximately 75%, 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 Macy

In Macy 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 Macy.

Maximum UV Index Levels in Macy for September

The chart shows the monthly maximum UV Index (UVI) for Macy 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 Macy typically reaches 8, which falls under the very high exposure category.

Data source: Macy 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 Macy Compares to Other Months

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

This table compares monthly weather conditions in Macy, 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 (24°F)	28 mm (1.1 inches)	76%	moderate
February Weather	-5°C (24°F)	31 mm (1.2 inches)	80%	moderate
March Weather	4°C (40°F)	85 mm (3.4 inches)	73%	high
April Weather	9°C (49°F)	72 mm (2.8 inches)	74%	very high
May Weather	16°C (62°F)	143 mm (5.6 inches)	78%	very high
June Weather	24°C (75°F)	116 mm (4.6 inches)	82%	very high
July Weather	25°C (77°F)	67 mm (2.6 inches)	83%	very high
August Weather	23°C (74°F)	111 mm (4.4 inches)	80%	very high
September Weather	20°C (69°F)	85 mm (3.3 inches)	75%	very high
October Weather	11°C (52°F)	90 mm (3.5 inches)	75%	high
November Weather	4°C (39°F)	28 mm (1.1 inches)	82%	moderate
December Weather	-1°C (30°F)	42 mm (1.6 inches)	83%	low