September Weather in Sanford, United States

Last updated: June 24, 2025

In Sanford, United States, the average temperature in September is a comfortable 15°C (58°F). However, temperatures can swing from a chilly -3°C (26°F) at the lowest to a warm 31°C (88°F) at the highest. Expect an average precipitation of 34 mm (1.3 in) over 5 days, with humidity levels sitting around 70%.

September Temperature in Sanford

In September in Sanford, the average temperature is 15°C (58°F). Maximums can reach 31°C (88°F) and minimums can drop as low as -3°C (26°F). Be prepared for a wide range of temperatures when traveling to Sanford this month.

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

The chart illustrates September temperature patterns in Sanford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanford, September typically has an average temperature of 15°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around -3°C (26°F).

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

September Precipitation in Sanford

In Sanford in September, the precipitation amount is 34 mm (1.3 in) over the course of 5 days.

September Precipitation Trends in Sanford

The chart displays monthly precipitation patterns in Sanford, 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 Sanford, September typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 5 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 Sanford

In Sanford in September humidity is 70%. With an average temperature of 15°C (58°F), this humidity feels like you’re walking through a warm, damp embrace, making outdoor activities slightly uncomfortable and ensuring that you stay hydrated while exploring.

September Average Humidity in Sanford

This chart illustrates the average monthly humidity levels in Sanford, 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 Sanford is approximately 70%, 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 Sanford

In Sanford in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Sanford.

Maximum UV Index Levels in Sanford for September

The chart shows the monthly maximum UV Index (UVI) for Sanford 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 Sanford typically reaches 11, which falls under the extreme exposure category.

Data source: Sanford 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 Sanford Compares to Other Months

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

This table compares monthly weather conditions in Sanford, 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)	24 mm (1.0 inches)	84%	moderate
February Weather	-3°C (28°F)	26 mm (1.0 inches)	84%	high
March Weather	2°C (37°F)	35 mm (1.4 inches)	74%	very high
April Weather	7°C (45°F)	25 mm (1.0 inches)	68%	extreme
May Weather	12°C (54°F)	33 mm (1.3 inches)	62%	extreme
June Weather	18°C (64°F)	16 mm (0.6 inches)	55%	extreme
July Weather	20°C (67°F)	44 mm (1.7 inches)	54%	extreme
August Weather	18°C (65°F)	34 mm (1.3 inches)	61%	extreme
September Weather	15°C (58°F)	34 mm (1.3 inches)	70%	extreme
October Weather	8°C (47°F)	20 mm (0.8 inches)	78%	very high
November Weather	3°C (37°F)	17 mm (0.7 inches)	81%	high
December Weather	-3°C (27°F)	23 mm (0.9 inches)	85%	moderate