September weather forecast
Guadalajara, Mexico

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

Weather in September

The heavy rains start to subside in September as Guadalajara, Mexico, begins transitioning into the drier part of the year. This month experiences less rain than August, and a marginal decrease in average temperature marks the move towards a cooler season. The upcoming October will have substantially less rainfall. Rainfall in September amounts to approximately 132mm (5.2"), indicating a deduction compared to the preceding month.

Temperature

The initiation of September in Guadalajara, Mexico, sees an average high-temperature of a still moderately hot 25.5°C (77.9°F), showing minor variations from the previous month. Guadalajara, during September nights, observes an average temperature of 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, during September, the rain falls for 26.5 days and regularly aggregates up to 132mm (5.2") of precipitation. Throughout the year, in Guadalajara, Mexico, there are 154.5 rainfall days, and 719mm (28.31") of precipitation is accumulated.

Daylight

In Guadalajara, Mexico, 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 7:08 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:41 pm CST.

Sunshine

The average sunshine in September is 9h.

UV index

The average daily maximum UV index in September in Guadalajara is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the temperature in September in Guadalajara?

The average high-temperature, in September, in Guadalajara, is 25.5°C (77.9°F), while the average low-temperature is 14.5°C (58.1°F). In June, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 33°C (91.4°F).

What is the most humid month in Guadalajara?

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

What is the average humidity in September in Guadalajara?

The average relative humidity in September is 82%.

How much does it rain in Guadalajara in September?

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?

In September, the average day length in Guadalajara, Mexico, is 12h and 15min.

What time are sunrise and sunset in September in Guadalajara?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:08 pm. On the last day of the month, in Guadalajara, Mexico, sunrise is at 6:44 am and sunset at 6:41 pm CST.

How many hours of sunshine does Guadalajara have in September?

The average sunshine duration in September in Guadalajara, Mexico, is 9h.

What is the UV index reading in September in Guadalajara?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 2min

The month with the longest days is June (Average daylight: 13h and 24min).
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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Guadalajara, Mexico

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