September Weather in Jonesport, United States

Last updated: June 24, 2025

In September, the average temperature in Jonesport, United States hovers around 15°C (59°F). Weather enthusiasts can expect a minimum of 9°C (48°F) and a maximum of 22°C (72°F). With 107 mm (4.2 in) of precipitation over 9 days, bringing an average humidity of 77%, prepare for a mix of mild temperatures and occasional showers!

September Temperature in Jonesport

In September in Jonesport, the average temperature is 15°C (59°F). The maximum can reach 22°C (72°F), and the minimum can be as low as 9°C (48°F). Visitors to Jonesport during this time can expect mild and comfortable weather, making it ideal for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Jonesport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jonesport, September typically has an average temperature of 15°C (59°F), with highs reaching up to 22°C (72°F) and lows dropping to around 9°C (48°F).

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

September Precipitation in Jonesport

In Jonesport in September, the precipitation amount is 107 mm (4.2 in), occurring over a span of 9 days.

September Precipitation Trends in Jonesport

The chart displays monthly precipitation patterns in Jonesport, 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 Jonesport, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 9 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 Jonesport

In Jonesport in September, humidity is 77%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it essential to stay hydrated and choose light, breathable clothing for comfortable travel.

September Average Humidity in Jonesport

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

In Jonesport 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 Jonesport.

Maximum UV Index Levels in Jonesport for September

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

Data source: Jonesport 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 Jonesport Compares to Other Months

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

This table compares monthly weather conditions in Jonesport, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	117 mm (4.6 inches)	88%	low
February Weather	-1°C (30°F)	116 mm (4.6 inches)	88%	moderate
March Weather	1°C (33°F)	92 mm (3.6 inches)	85%	moderate
April Weather	5°C (41°F)	150 mm (5.9 inches)	81%	high
May Weather	8°C (47°F)	128 mm (5.0 inches)	76%	very high
June Weather	12°C (54°F)	119 mm (4.7 inches)	74%	very high
July Weather	15°C (59°F)	87 mm (3.4 inches)	74%	very high
August Weather	16°C (61°F)	87 mm (3.4 inches)	74%	very high
September Weather	15°C (59°F)	107 mm (4.2 inches)	77%	high
October Weather	12°C (53°F)	130 mm (5.1 inches)	82%	moderate
November Weather	6°C (43°F)	159 mm (6.3 inches)	85%	moderate
December Weather	1°C (34°F)	157 mm (6.2 inches)	84%	low