September weather forecast
San Lorenzo Ometepec, Mexico

September

Weather in September

September, the first month of the autumn in San Lorenzo Ometepec, is also an agreeable month, with an average temperature fluctuating between 11.1°C (52°F) and 20.2°C (68.4°F).

Temperature

In September, San Lorenzo Ometepec notes an average high-temperature of a still pleasant 20.2°C (68.4°F), hardly different from the preceding month. September in San Lorenzo Ometepec generally records an average low-temperature of 11.1°C (52°F).

Humidity

September is the most humid month in San Lorenzo Ometepec, with an average relative humidity of 82%.

Rainfall

In San Lorenzo Ometepec, Mexico, during September, the rain falls for 26.8 days and regularly aggregates up to 173mm (6.81") of precipitation. In San Lorenzo Ometepec, during the entire year, the rain falls for 210.9 days and collects up to 1187mm (46.73") of precipitation.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of the month, sunrise is at 6:16 am and sunset at 6:45 pm. On the last day of September, in San Lorenzo Ometepec, sunrise is at 6:21 am and sunset at 6:20 pm CST.

Sunshine

In San Lorenzo Ometepec, the average sunshine in September is 8.7h.

UV index

January, June, August through December, with an average maximum UV index of 4, are months with the lowest UV index in San Lorenzo Ometepec. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. When the Sun is at its strongest around midday, find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What are September temperatures in San Lorenzo Ometepec?
During September, San Lorenzo Ometepec experiences an average high-temperature of 20.2°C (68.4°F) and a low-temperature of 11.1°C (52°F).
What is the most humid month in San Lorenzo Ometepec?
The most humid month in San Lorenzo Ometepec, Mexico, is September, with an average relative humidity of 82%.
What is the average humidity in September in San Lorenzo Ometepec?
The average relative humidity in September in San Lorenzo Ometepec is 82%.
How much does it rain in San Lorenzo Ometepec in September?
In San Lorenzo Ometepec, in September, during 26.8 rainfall days, 173mm (6.81") of precipitation is typically accumulated.
How many hours of daylight does San Lorenzo Ometepec have in September?
In September, the average day length is 12h and 14min.
When is the sunrise / sunset in September in San Lorenzo Ometepec?
In September, on the first day of the month, sunrise is at 6:16 am and sunset at 6:45 pm. On the last day of the month, in San Lorenzo Ometepec, sunrise is at 6:21 am and sunset at 6:20 pm CST.
How long on average sun shines in September in San Lorenzo Ometepec?
The average sunshine duration in September is 8.7h.
What are the months with the lowest UV index in San Lorenzo Ometepec?
January, June, August through December, with an average maximum UV index of 4, are months with the lowest UV index in San Lorenzo Ometepec.
What is the UV index reading in September in San Lorenzo Ometepec?
In San Lorenzo Ometepec, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - San Lorenzo Ometepec, Mexico
Average temperature in September
San Lorenzo Ometepec, Mexico
  • Average high temperature in September: 20.2°C

The warmest month (with the highest average high temperature) is April (24.3°C).
The month with the lowest average high temperature is January (19°C).

  • Average low temperature in September: 11.1°C

The month with the highest average low temperature is May (13.2°C).
The coldest month (with the lowest average low temperature) is January (7.1°C).

Average pressure in September - San Lorenzo Ometepec, Mexico
Average pressure in September
San Lorenzo Ometepec, Mexico
  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is January (1018.7mbar).
The month with the lowest atmospheric pressure is May (1014.3mbar).

Average wind speed in September - San Lorenzo Ometepec, Mexico
Average wind speed in September
San Lorenzo Ometepec, Mexico
  • Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest months (with the lowest average wind speed) are June, July and September (7.2km/h).

Average humidity in September - San Lorenzo Ometepec, Mexico
Average humidity in September
San Lorenzo Ometepec, 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 (50%).

Average rainfall in September - San Lorenzo Ometepec, Mexico
Average rainfall in September
San Lorenzo Ometepec, Mexico
  • Average rainfall in September: 173mm

The wettest month (with the highest rainfall) is July (202mm).
The driest month (with the least rainfall) is December (6mm).

Average rainfall days in September - San Lorenzo Ometepec, Mexico
Average rainfall days in September
San Lorenzo Ometepec, Mexico
  • Average rainfall days in September: 26.8 days

The month with the highest number of rainy days is August (29.2 days).
The month with the least rainy days is December (4.5 days).

Average daylight in September / Average sunshine in September - San Lorenzo Ometepec, Mexico
Average daylight in September /
Average sunshine in September
San Lorenzo Ometepec, Mexico
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).

Average sunshine days in September - San Lorenzo Ometepec, Mexico
Average sunshine days in September
San Lorenzo Ometepec, Mexico
  • Average sunshine days in September: 2.6 days

The month with the most sunshine days is December (23.8 days).
The month with the least sunshine days is July (0.8 days).

Average UV index in September - San Lorenzo Ometepec, Mexico
Average UV index in September
San Lorenzo Ometepec, Mexico
  • Average UV index in September: 4

The months with the highest UV index are February, March, April, May and July (UV index 5).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 4).

Average cloud cover in September - San Lorenzo Ometepec, Mexico
Average cloud cover in September
San Lorenzo Ometepec, Mexico
  • Average cloud cover in September: 42

The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is December (Cloud cover 11).

Average visibility in September - San Lorenzo Ometepec, Mexico
Average visibility in September
San Lorenzo Ometepec, Mexico
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).

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