September Weather in Parma, United States

Last updated: June 24, 2025

In Parma, United States, the average temperature in September hovers around 21°C (69°F). However, you can expect a temperature range where the minimum dips to 5°C (41°F) and the maximum soars to 40°C (105°F). During this month, expect 9 mm (0.4 in) of precipitation spread over about 2 days. With an average humidity of 48%, it’s a time to enjoy the mix of warmth and refreshing breezes!

September Temperature in Parma

In September in Parma, the average temperature is 21°C (69°F), making it a pleasant destination for travelers. However, be prepared for maximum temperatures that can reach 40°C (105°F) and minimums that can drop to as low as 5°C (41°F), so pack accordingly for both warm and cool conditions.

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

The chart illustrates September temperature patterns in Parma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Parma, September typically has an average temperature of 21°C (69°F), with highs reaching up to 40°C (105°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Parma

In Parma in September, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

September Precipitation Trends in Parma

The chart displays monthly precipitation patterns in Parma, 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 Parma, September typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 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 Parma

In Parma in September, humidity is 48%. With an average temperature of 21°C (69°F), this humidity feels like a comfortable embrace, making it an inviting time for traveling as you can explore the sights without feeling sticky or overheated.

September Average Humidity in Parma

This chart illustrates the average monthly humidity levels in Parma, 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 Parma is approximately 48%, 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 Parma

In Parma 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 Parma.

Maximum UV Index Levels in Parma for September

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

Data source: Parma 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 Parma Compares to Other Months

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

This table compares monthly weather conditions in Parma, 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 (33°F)	39 mm (1.5 inches)	88%	moderate
February Weather	3°C (37°F)	39 mm (1.5 inches)	89%	moderate
March Weather	8°C (48°F)	29 mm (1.1 inches)	85%	high
April Weather	12°C (54°F)	28 mm (1.1 inches)	79%	very high
May Weather	17°C (63°F)	31 mm (1.2 inches)	71%	very high
June Weather	23°C (73°F)	18 mm (0.7 inches)	71%	extreme
July Weather	28°C (83°F)	2 mm (0.1 inches)	66%	extreme
August Weather	27°C (80°F)	6 mm (0.2 inches)	50%	very high
September Weather	21°C (69°F)	9 mm (0.4 inches)	48%	very high
October Weather	12°C (54°F)	16 mm (0.6 inches)	65%	high
November Weather	6°C (43°F)	26 mm (1.0 inches)	84%	moderate
December Weather	1°C (35°F)	30 mm (1.2 inches)	87%	low