September weather forecastGuadalajara, Mexico
September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
Average daylight in September /
Average sunshine in September
Guadalajara, Mexico
- Average daylight in September: 12h and 18min
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).
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).
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).
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).
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).
