September Weather in Sandy, United States

Last updated: June 24, 2025

In September, the average temperature in Sandy, United States is a comfortable 20°C (68°F). However, be prepared for a range of temperatures, as it can dip to a chilly 1°C (34°F) or soar to a sizzling 37°C (99°F). Expect 31 mm (1.2 in) of precipitation spread over about 4 days, with an average humidity of 46%. Enjoy the diverse climate while exploring this vibrant destination!

September Temperature in Sandy

In September, in Sandy, the average temperature is 20°C (68°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 1°C (34°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates September temperature patterns in Sandy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandy, September typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (34°F).

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

September Precipitation in Sandy

In Sandy in September, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.

September Precipitation Trends in Sandy

The chart displays monthly precipitation patterns in Sandy, 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 Sandy, September typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 4 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Sandy

In Sandy in September, humidity is 46%. With an average temperature of 20°C (68°F), this humidity feels like a comfortable embrace, making it perfect for exploring the sights without feeling overly sticky or weighed down.

September Average Humidity in Sandy

This chart illustrates the average monthly humidity levels in Sandy, 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 Sandy is approximately 46%, 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 Sandy

In Sandy in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sandy.

Maximum UV Index Levels in Sandy for September

The chart shows the monthly maximum UV Index (UVI) for Sandy 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 Sandy typically reaches 9, which falls under the very high exposure category.

Data source: Sandy 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 Sandy Compares to Other Months

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

This table compares monthly weather conditions in Sandy, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	50 mm (2.0 inches)	91%	moderate
February Weather	0°C (32°F)	58 mm (2.3 inches)	92%	high
March Weather	5°C (41°F)	64 mm (2.5 inches)	84%	high
April Weather	9°C (49°F)	60 mm (2.3 inches)	74%	very high
May Weather	15°C (59°F)	44 mm (1.7 inches)	62%	extreme
June Weather	22°C (73°F)	12 mm (0.5 inches)	56%	extreme
July Weather	27°C (81°F)	10 mm (0.4 inches)	44%	extreme
August Weather	26°C (78°F)	18 mm (0.7 inches)	37%	extreme
September Weather	20°C (68°F)	31 mm (1.2 inches)	46%	very high
October Weather	10°C (51°F)	36 mm (1.4 inches)	67%	high
November Weather	5°C (41°F)	30 mm (1.2 inches)	84%	moderate
December Weather	-2°C (29°F)	43 mm (1.7 inches)	88%	moderate