September weather forecast
Guadalajara, Mexico

The Cabanas Cultural Institute in Guadalajara, Mexico
The Cabanas Cultural Institute in Guadalajara, Mexico

Weather in September

September, the first month of the autumn in Guadalajara, is still a warm month, with an average temperature varying between 25.5°C (77.9°F) and 14.5°C (58.1°F).

Temperature

In September, the average high-temperature is essentially the same as in August - a still moderately hot 25.5°C (77.9°F). The average low-temperature, in Guadalajara, Mexico, is 14.5°C (58.1°F).

Humidity

With an average relative humidity of 82%, September is the most humid month in Guadalajara.

Rainfall

In Guadalajara, Mexico, in September, during 26.5 rainfall days, 132mm (5.2") of precipitation is typically accumulated. In Guadalajara, during the entire year, the rain falls for 154.5 days and collects up to 719mm (28.31") of precipitation.

Daylight

The average length of the day in September is 12h and 15min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:09 pm. On the last day of September, in Guadalajara, sunrise is at 6:44 am and sunset at 6:42 pm CST.

Sunshine

In September, the average sunshine in Guadalajara is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Guadalajara?

The average high-temperature, in September, in Guadalajara, Mexico, is 25.5°C (77.9°F), while the average low-temperature is 14.5°C (58.1°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in June is calculated to be 33°C (91.4°F).

What is the most humid month in Guadalajara?

The most humid month in Guadalajara, Mexico, is September, with an average relative humidity of 82%.

What is the average humidity in September in Guadalajara?

In Guadalajara, Mexico, the average relative humidity in September is 82%.

How many days does it rain in September in Guadalajara?

In Guadalajara, Mexico, in September, it is raining for 26.5 days, with typically 132mm (5.2") of accumulated precipitation.

How many hours of daylight does Guadalajara have in September?

The average day length in September in Guadalajara is 12h and 15min.

When is the sunrise / sunset in September in Guadalajara?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:09 pm. On the last day of the month, in Guadalajara, Mexico, sunrise is at 6:44 am and sunset at 6:42 pm CST.

How long on average sun shines in September in Guadalajara?

In September, the average sunshine duration in Guadalajara is 9h.

What is the UV index reading in September in Guadalajara?

In Guadalajara, Mexico, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

Average temperature in September
Guadalajara, Mexico

Average temperature in September - Guadalajara, Mexico
  • Average high temperature in September: 25.5°C

The warmest month (with the highest average high temperature) is May (32.4°C).
The month with the lowest average high temperature is December (23.5°C).

  • Average low temperature in September: 14.5°C

The month with the highest average low temperature is June (17.9°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).

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Average pressure in September
Guadalajara, Mexico

Average pressure in September - Guadalajara, Mexico
  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).

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Average wind speed in September
Guadalajara, Mexico

Average wind speed in September - Guadalajara, Mexico
  • Average wind speed in September: 5.2km/h

The windiest month (with the highest average wind speed) is April (7.8km/h).
The calmest month (with the lowest average wind speed) is July (4.6km/h).

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Average humidity in September
Guadalajara, Mexico

Average humidity in September - Guadalajara, Mexico
  • Average humidity in September: 82%

The month with the highest relative humidity is September (82%).
The month with the lowest relative humidity is April (36%).

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Average rainfall in September
Guadalajara, Mexico

Average rainfall in September - Guadalajara, Mexico
  • Average rainfall in September: 132mm

The wettest month (with the highest rainfall) is July (187mm).
The driest month (with the least rainfall) is April (2mm).

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Average rainfall days in September
Guadalajara, Mexico

Average rainfall days in September - Guadalajara, Mexico
  • Average rainfall days in September: 26.5 days

The month with the highest number of rainy days is July (29.3 days).
The month with the least rainy days is April (2.2 days).

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Average daylight in September /
Average sunshine in September
Guadalajara, Mexico

Average daylight in September / Average sunshine in September - Guadalajara, Mexico
  • Average daylight in September: 12h and 15min

The month with the longest days is June (Average daylight: 13h and 22min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 8h and 42min).

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Average sunshine days in September
Guadalajara, Mexico

Average sunshine days in September - Guadalajara, Mexico
  • Average sunshine days in September: 2 days

The month with the most sunshine days is January (27.3 days).
The month with the least sunshine days is July (0.7 days).

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Average UV index in September
Guadalajara, Mexico

Average UV index in September - Guadalajara, Mexico
  • Average UV index in September: 5

The month with the highest UV index is May (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in September
Guadalajara, Mexico

Average cloud cover in September - Guadalajara, Mexico
  • Average cloud cover in September: 41

The month with the most cloud cover is July (Cloud cover 43).
The months with the least cloud cover are March and April (Cloud cover 9).

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Average visibility in September
Guadalajara, Mexico

Average visibility in September - Guadalajara, Mexico
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August and September (8km).

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