September weather forecastMecatlán, Mexico
September
Weather in September
September, the first month of the autumn in Mecatlán, is also an agreeable month, with an average temperature ranging between max 21.5°C (70.7°F) and min 13.7°C (56.7°F).Temperature
September's average high-temperature is a still agreeable 21.5°C (70.7°F), maintaining a close comparison with August's 22.7°C (72.9°F). Mecatlán observes an average nighttime temperature of 13.7°C (56.7°F) during September.Humidity
September is the most humid month in Mecatlán, with an average relative humidity of 88%.Rainfall
In September, in Mecatlán, Mexico, the rain falls for 25.2 days. Throughout September, 120mm (4.72") of precipitation is accumulated. In Mecatlán, during the entire year, the rain falls for 237.7 days and collects up to 963mm (37.91") of precipitation.Snowfall
In Mecatlán, snow does not fall in January through October and December.Daylight
In September, the average length of the day is 12h and 15min.On the first day of September in Mecatlán, sunrise is at 6:15 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:19 pm CST.
Sunshine
The average sunshine in September is 7h.UV index
March through September, with an average maximum UV index of 5, are months with the highest UV index in Mecatlán. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To guard against the harmful effects of the Sun, minimize exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mecatlán, Mexico
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is April (24.7°C).
The month with the lowest average high temperature is January (17.7°C).
- Average low temperature in September: 13.7°C
The month with the highest average low temperature is June (13.9°C).
The coldest month (with the lowest average low temperature) is January (7.9°C).
Average pressure in September
Mecatlán, Mexico
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is May (1013.6mbar).
Average wind speed in September
Mecatlán, Mexico
- Average wind speed in September: 5.8km/h
The windiest month (with the highest average wind speed) is April (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5.8km/h).
Average humidity in September
Mecatlán, 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 (69%).
Average rainfall in September
Mecatlán, Mexico
- Average rainfall in September: 120mm
The wettest month (with the highest rainfall) is June (143mm).
The driest month (with the least rainfall) is December (23mm).
Average rainfall days in September
Mecatlán, Mexico
- Average rainfall days in September: 25.2 days
The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is December (14.2 days).
Average snowfall in September
Mecatlán, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is November (7mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Mecatlán, Mexico
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is November (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Mecatlán, 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: 10h and 54min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
Mecatlán, Mexico
- Average sunshine days in September: 3.8 days
The month with the most sunshine days is January (11.9 days).
The month with the least sunshine days is September (3.8 days).
Average UV index in September
Mecatlán, Mexico
- Average UV index in September: 5
The months with the highest UV index are March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 4).
Average cloud cover in September
Mecatlán, 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 30).
Average visibility in September
Mecatlán, Mexico
- Average visibility in September: 7km
The month with the highest visibility is April (9km).
The month with the lowest visibility is November (6km).
