September Weather in Cleveland

Last updated: March 2, 2024

The weather in Cleveland, United States, during September is characterized by an average temperature of 22°C (73°F). Highs can soar to 32°C (90°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Cleveland throughout September hovers around 76%.

12°C (54°F)

Minimum temperature

22°C (73°F)

Average temperature

32°C (90°F)

Maximum temperature

76%

Humidity

Precipitation and Sunshine hours

In September, Cleveland averages 130 mm (5.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 20 minutes of daylight, with the sun shining for approximately 9 hours 33 minutes each day. Additionally, there is a 48% probability of sunny days during this period.

130 mm (5.1 inches)

Precipitation

10 rainy days

Rainy days

9 hours 33 minutes

Sunshine hours

48%

Chance of sun

UV Index

In September, the UV Index in Cleveland reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	0	1	2	4	6	8	9	9	8	5	3	2	1
Exposure	Low			Moderate	High	VeryHigh				Moderate		Low
Time to burn	45 min			30 min	25 min	15 min				30 min		45 min