September weather forecastEl Grullo, Mexico
September
Weather in September
September, the first month of the autumn in El Grullo, is still a warm month, with temperature in the range of an average low of 17.1°C (62.8°F) and an average high of 26.3°C (79.3°F).Temperature
September's beginning signals an average high-temperature of a still warm 26.3°C (79.3°F), barely different from August's 27°C (80.6°F). During September, the average low-temperature in El Grullo is a refreshing 17.1°C (62.8°F).Humidity
The most humid month in El Grullo is September, with an average relative humidity of 88%.Rainfall
In El Grullo, Mexico, in September, during 26.3 rainfall days, 202mm (7.95") of precipitation is typically accumulated. Throughout the year, in El Grullo, there are 165.7 rainfall days, and 1050mm (41.34") of precipitation is accumulated.Daylight
In El Grullo, Mexico, the average length of the day in September is 12h and 15min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:45 pm CST.
Sunshine
September has the least sunshine of the year, with an average of 8h of sunshine.UV index
The months with the highest UV index are February through July and September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
El Grullo, Mexico
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is May (31.7°C).
The month with the lowest average high temperature is December (25.6°C).
- Average low temperature in September: 17.1°C
The month with the highest average low temperature is June (18.5°C).
The coldest month (with the lowest average low temperature) is January (12.1°C).
Average pressure in September
El Grullo, Mexico
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is January (1014.8mbar).
The month with the lowest atmospheric pressure is June (1011.5mbar).
Average wind speed in September
El Grullo, Mexico
- Average wind speed in September: 4.5km/h
The windiest month (with the highest average wind speed) is April (6.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).
Average humidity in September
El Grullo, Mexico
- Average humidity in September: 88%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (46%).
Average rainfall in September
El Grullo, Mexico
- Average rainfall in September: 202mm
The wettest month (with the highest rainfall) is August (250mm).
The driest month (with the least rainfall) is April (2mm).
Average rainfall days in September
El Grullo, Mexico
- Average rainfall days in September: 26.3 days
The month with the highest number of rainy days is August (29.6 days).
The month with the least rainy days is April (1.6 days).
Average daylight in September /
Average sunshine in September
El Grullo, Mexico
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 8h and 0min
The months with the most sunshine are March, April and May (Average sunshine: 9h and 48min).
The month with the least sunshine is September (Average sunshine: 8h and 0min).
Average sunshine days in September
El Grullo, Mexico
- Average sunshine days in September: 3.4 days
The month with the most sunshine days is April (28.1 days).
The month with the least sunshine days is August (0.9 days).
Average UV index in September
El Grullo, Mexico
- Average UV index in September: 6
The months with the highest UV index are February, March, April, May, June, July and September (UV index 6).
The months with the lowest UV index are January, August, October, November and December (UV index 5).
Average cloud cover in September
El Grullo, Mexico
- Average cloud cover in September: 57
The month with the most cloud cover is September (Cloud cover 57).
The month with the least cloud cover is April (Cloud cover 9).
Average visibility in September
El Grullo, Mexico
- Average visibility in September: 6km
The months with the highest visibility are March, April and May (10km).
The month with the lowest visibility is September (6km).
