September Weather in Fonda, United States

Last updated: June 24, 2025

In September, the average temperature in Fonda, United States hovers around 19°C (67°F), with lows dipping to 4°C (39°F) and highs soaring up to 35°C (95°F). Expect about 105 mm (4.1 in) of precipitation over 9 days, contributing to an average humidity of 75%.

September Temperature in Fonda

In September in Fonda, the average temperature is 19°C (67°F). Maximums can reach 35°C (95°F), and minimums can be as low as 4°C (39°F). This diverse temperature range makes Fonda an ideal destination for travelers looking to enjoy both warm days and cool evenings.

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

The chart illustrates September temperature patterns in Fonda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fonda, September typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Fonda

In Fonda in September, the total precipitation amount reaches 105 mm (4.1 in) over the course of 9 days.

September Precipitation Trends in Fonda

The chart displays monthly precipitation patterns in Fonda, 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 Fonda, September typically receives around 105 mm (4.1 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 Fonda

In Fonda in September humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

September Average Humidity in Fonda

This chart illustrates the average monthly humidity levels in Fonda, 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 Fonda is approximately 75%, 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 Fonda

In Fonda in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Fonda.

Maximum UV Index Levels in Fonda for September

The chart shows the monthly maximum UV Index (UVI) for Fonda 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 Fonda typically reaches 8, which falls under the very high exposure category.

Data source: Fonda 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 Fonda Compares to Other Months

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

This table compares monthly weather conditions in Fonda, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	28 mm (1.1 inches)	82%	moderate
February Weather	-6°C (21°F)	43 mm (1.7 inches)	84%	moderate
March Weather	3°C (38°F)	76 mm (3.0 inches)	80%	moderate
April Weather	8°C (47°F)	72 mm (2.8 inches)	81%	very high
May Weather	16°C (61°F)	152 mm (6.0 inches)	74%	very high
June Weather	23°C (74°F)	118 mm (4.6 inches)	80%	extreme
July Weather	24°C (76°F)	76 mm (3.0 inches)	80%	very high
August Weather	22°C (72°F)	113 mm (4.5 inches)	77%	very high
September Weather	19°C (67°F)	105 mm (4.1 inches)	75%	very high
October Weather	10°C (51°F)	111 mm (4.4 inches)	80%	high
November Weather	3°C (37°F)	36 mm (1.4 inches)	87%	moderate
December Weather	-2°C (29°F)	38 mm (1.5 inches)	83%	moderate