September Weather in Staples, United States

Last updated: June 24, 2025

In Staples, United States, the average temperature in September hovers around 16°C (61°F). During this time, temperatures can range from a chilly -1°C (31°F) to a warm 31°C (88°F). You'll experience about 107 mm (4.2 in) of precipitation spread over 10 days, with an average humidity level of 77%.

September Temperature in Staples

In September in Staples, the average temperature is 16°C (61°F), with maximums reaching 31°C (88°F) and minimums dropping as low as -1°C (31°F). It's a great time for travelers to enjoy a mix of warm days and cool nights while exploring the beauty of Staples.

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

The chart illustrates September temperature patterns in Staples, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Staples, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Staples

In Staples in September, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

September Precipitation Trends in Staples

The chart displays monthly precipitation patterns in Staples, 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 Staples, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 10 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 Staples

In Staples in September humidity is 77%. With an average temperature of 16°C (61°F), this humidity feels like a slight heaviness in the air, making every step feel a touch more effortful while traveling. The dampness clings to your skin, adding a layer of discomfort, yet the mild temperature invites you to explore the surroundings, blending the challenge of the humidity with an opportunity for a refreshing adventure.

September Average Humidity in Staples

This chart illustrates the average monthly humidity levels in Staples, 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 Staples is approximately 77%, 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 Staples

In Staples 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 Staples.

Maximum UV Index Levels in Staples for September

The chart shows the monthly maximum UV Index (UVI) for Staples 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 Staples typically reaches 7, which falls under the high exposure category.

Data source: Staples 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 Staples Compares to Other Months

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

This table compares monthly weather conditions in Staples, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-11°C (12°F)	19 mm (0.8 inches)	92%	low
February Weather	-11°C (12°F)	23 mm (0.9 inches)	93%	moderate
March Weather	-2°C (29°F)	38 mm (1.5 inches)	88%	moderate
April Weather	4°C (40°F)	61 mm (2.4 inches)	83%	high
May Weather	13°C (56°F)	78 mm (3.1 inches)	76%	very high
June Weather	20°C (69°F)	79 mm (3.1 inches)	76%	very high
July Weather	22°C (72°F)	88 mm (3.5 inches)	76%	very high
August Weather	20°C (68°F)	101 mm (4.0 inches)	77%	very high
September Weather	16°C (61°F)	107 mm (4.2 inches)	77%	high
October Weather	7°C (45°F)	96 mm (3.8 inches)	82%	moderate
November Weather	-1°C (30°F)	26 mm (1.0 inches)	87%	moderate
December Weather	-7°C (19°F)	49 mm (1.9 inches)	89%	low