September Weather in Sebec, United States

Last updated: June 24, 2025

In September, the average temperature in Sebec, United States is a mild 16°C (61°F), though it can swing from a chilly 1°C (34°F) to a warm 33°C (91°F). Expect about 84 mm (3.3 in) of precipitation spread over 8 days, contributing to an average humidity of 77%. Prepare accordingly for a month that beautifully balances warmth and occasional rain!

September Temperature in Sebec

In September, in Sebec, the average temperature is 16°C (61°F). The maximum can reach 33°C (91°F), while the minimum can dip as low as 1°C (34°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Sebec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sebec, September typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (91°F) and lows dropping to around 1°C (34°F).

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

September Precipitation in Sebec

In Sebec in September, the precipitation amount is 84 mm (3.3 in) spread over 8 days.

September Precipitation Trends in Sebec

The chart displays monthly precipitation patterns in Sebec, 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 Sebec, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 8 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 Sebec

In Sebec 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 Sebec

This chart illustrates the average monthly humidity levels in Sebec, 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 Sebec 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 Sebec

In Sebec 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 Sebec.

Maximum UV Index Levels in Sebec for September

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

Data source: Sebec 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 Sebec Compares to Other Months

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

This table compares monthly weather conditions in Sebec, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	92 mm (3.6 inches)	88%	low
February Weather	-6°C (21°F)	85 mm (3.3 inches)	88%	moderate
March Weather	-2°C (29°F)	77 mm (3.0 inches)	85%	moderate
April Weather	5°C (42°F)	132 mm (5.2 inches)	81%	high
May Weather	12°C (54°F)	100 mm (3.9 inches)	76%	very high
June Weather	18°C (64°F)	83 mm (3.3 inches)	74%	very high
July Weather	21°C (69°F)	102 mm (4.0 inches)	74%	very high
August Weather	20°C (68°F)	89 mm (3.5 inches)	74%	very high
September Weather	16°C (61°F)	84 mm (3.3 inches)	77%	high
October Weather	9°C (49°F)	135 mm (5.3 inches)	82%	moderate
November Weather	2°C (35°F)	120 mm (4.7 inches)	85%	moderate
December Weather	-5°C (24°F)	119 mm (4.7 inches)	84%	low