September Weather in Unadilla, United States

Last updated: June 24, 2025

In Unadilla, United States, the average temperature in September hovers around 26°C (80°F), offering a pleasant climate for outdoor activities. Temperatures can vary, dipping to a minimum of 13°C (55°F) and soaring to a maximum of 38°C (101°F). During this month, you can expect approximately 101 mm (4.0 in) of rainfall over 10 days, contributing to an average humidity level of 82%. Enjoy the unique blend of warmth and greenery that characterizes this beautiful locale!

September Temperature in Unadilla

In September in Unadilla, the average temperature is 26°C (80°F), with maximums reaching 38°C (101°F) and minimums dropping as low as 13°C (55°F). Be prepared for warm days and cooler evenings if you're planning to travel during this time.

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

The chart illustrates September temperature patterns in Unadilla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unadilla, September typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in Unadilla

In Unadilla in September, the precipitation amount is 101 mm (4.0 in) spread over the course of 10 days.

September Precipitation Trends in Unadilla

The chart displays monthly precipitation patterns in Unadilla, 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 Unadilla, September typically receives around 101 mm (4.0 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 Unadilla

In Unadilla in September, humidity is 82%. With an average temperature of 26°C (80°F), this humidity feels like a heavy, warm blanket wrapping around you, making outdoor activities feel more exhausting and sweaty, which can be quite challenging for traveling.

September Average Humidity in Unadilla

This chart illustrates the average monthly humidity levels in Unadilla, 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 Unadilla is approximately 82%, 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 Unadilla

In Unadilla in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Unadilla.

Maximum UV Index Levels in Unadilla for September

The chart shows the monthly maximum UV Index (UVI) for Unadilla 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 Unadilla typically reaches 10, which falls under the very high exposure category.

Data source: Unadilla 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 Unadilla Compares to Other Months

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

This table compares monthly weather conditions in Unadilla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	90 mm (3.5 inches)	86%	moderate
February Weather	13°C (56°F)	113 mm (4.5 inches)	84%	high
March Weather	16°C (61°F)	85 mm (3.4 inches)	83%	very high
April Weather	19°C (67°F)	104 mm (4.1 inches)	81%	very high
May Weather	24°C (75°F)	78 mm (3.1 inches)	81%	extreme
June Weather	27°C (81°F)	87 mm (3.4 inches)	81%	extreme
July Weather	28°C (83°F)	105 mm (4.1 inches)	83%	extreme
August Weather	28°C (82°F)	106 mm (4.2 inches)	81%	extreme
September Weather	26°C (80°F)	101 mm (4.0 inches)	82%	very high
October Weather	22°C (71°F)	100 mm (4.0 inches)	78%	very high
November Weather	14°C (57°F)	64 mm (2.5 inches)	86%	high
December Weather	11°C (53°F)	121 mm (4.8 inches)	89%	moderate