September weather forecast and climate
Guadalajara, Mexico

Water in front of the Cabanas Cultural Institute in Guadalajara, Mexico
Water in front of the Cabanas Cultural Institute in Guadalajara, Mexico
September, the first month of the autumn, in Guadalajara, is still a warm month, with average temperature ranging between max. 27.1°C (80.8°F) and min. 16.5°C (61.7°F).

Temperature

In Guadalajara, in September, the average high-temperature is 27.1°C (80.8°F), and the average low-temperature is 16.5°C (61.7°F).

Humidity

In Guadalajara, the average relative humidity in September is 71%.

Rainfall

In Guadalajara, Mexico, during September, the rain falls for 15.5 days and regularly aggregates up to 169.5mm (6.7") of precipitation. Throughout the year, there are 90.9 rainfall days, and 1002.4mm (39.5") of precipitation is accumulated.

Daylight

In Guadalajara, the average length of the day is 12.3h.

Sunshine

The average sunshine in September is 6.2h.

UV index

Months with the highest UV index in Guadalajara are March through September, with an average maximum UV index of 12.
A UV Index estimate of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV rays for average individuals. Take all required precautions, as unprotected skin and eyes can burn in minutes.

What is the temperature in September in Guadalajara?

In Guadalajara, Mexico, in September, the average high-temperature is 27.1°C (80.8°F), and the average low-temperature is 16.5°C (61.7°F).

What is the average humidity in September in Guadalajara?

The average relative humidity in September is 71%.

How many days does it rain in September in Guadalajara?

In September, in Guadalajara, the rain falls for 15.5 days. Throughout September, 169.5mm (6.7") of precipitation is accumulated.

What is the average length of the day in September in Guadalajara?

The average length of the day in September in Guadalajara is 12.3h.

How long on average sun shines in September in Guadalajara?

The average sunshine in September is 6.2h.

What is the month with the highest UV index in Guadalajara?

Months with the highest UV index in Guadalajara, Mexico, are March through September, with an average maximum UV index of 12.

What is the UV index reading in September in Guadalajara?

In September, the average daily maximum UV index in Guadalajara, Mexico, is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Guadalajara, Mexico
  • Average high temperature in September: 27.1°C

The warmest month (with the highest average high temperature) is May (32.5°C).
Months with the lowest average high temperature are January and December (24.7°C).

  • Average low temperature in September: 16.5°C

The month with the highest average low temperature is June (17.3°C).
The coldest month (with the lowest average low temperature) is January (9.5°C).

Average humidity in September - Guadalajara, Mexico
  • Average humidity in September: 71%

The month with the highest relative humidity is August (72%).
The month with the lowest relative humidity is April (46%).

Average rainfall in September - Guadalajara, Mexico
  • Average rainfall in September: 169.5mm

The wettest month (with the highest rainfall) is July (272.5mm).
The driest month (with the lowest rainfall) is March (4.7mm).

Average rainfall days in September - Guadalajara, Mexico
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is July (21.6 days).
The month with the lowest number of rainy days is March (0.7 days).

Average daylight in September / Average sunshine in September - Guadalajara, Mexico
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in September: 6.2h

The month with most sunshine is May (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 6.1h).

Average UV index in September - Guadalajara, Mexico
  • Average UV index in September: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).

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