September Weather in San Juan Petlapa

Last updated: March 2, 2024

The weather in San Juan Petlapa, Mexico, during September is characterized by an average temperature of 24°C (76°F). Highs can soar to 31°C (89°F), while lows may dip to 18°C (66°F). Typically, the humidity level in San Juan Petlapa throughout September hovers around 84%.

18°C (66°F)

Minimum temperature

24°C (76°F)

Average temperature

31°C (89°F)

Maximum temperature

84%

Humidity

Precipitation and Sunshine hours

In September, San Juan Petlapa averages 474 mm (18.7 inches) of rainfall, typically over the course of 26 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 22 minutes each day. Additionally, there is a 15% probability of sunny days during this period.

474 mm (18.7 inches)

Precipitation

26 rainy days

Rainy days

9 hours 22 minutes

Sunshine hours

15%

Chance of sun

UV Index

In September, the UV Index in San Juan Petlapa reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 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	5	9	12	13	13	10	7	4	2	1
Exposure	Low			Moderate	VeryHigh	Extreme			VeryHigh	High	Moderate	Low
Time to burn	45 min			30 min	15 min	10 min			15 min	25 min	30 min	45 min