September weather forecastSan Bartolo Yautepec, Mexico

September

Weather in September

September, the first month of the autumn in San Bartolo Yautepec, is still a warm month, with an average temperature ranging between min 22.5°C (72.5°F) and max 26.9°C (80.4°F).

Temperature

The coldest period is September, when temperatures fluctuate between an average high of 26.9°C (80.4°F) and a low of 22.5°C (72.5°F).

Humidity

The most humid month is September, with an average relative humidity of 80%.

Rainfall

September is the month with the most rainfall. Rain falls for 29.3 days and accumulates 254mm (10") of precipitation.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 6:10 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:13 pm CST.

Sunshine

In September, the average sunshine in San Bartolo Yautepec is 8.5h.

UV index

January through March, May, June, August through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

September is San Bartolo Yautepec's coldest month, registering average high temperatures of 26.9°C (80.4°F) and lows of 22.5°C (72.5°F).

An average high-temperature, in September, in San Bartolo Yautepec, is 26.9°C (80.4°F) and the average low-temperature is 22.5°C (72.5°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 32°C (89.6°F).

With an average relative humidity of 80%, September is the most humid month in San Bartolo Yautepec, Mexico.

In September, the average relative humidity in San Bartolo Yautepec is 80%.

The month with the most rainfall in San Bartolo Yautepec is September, when the rain falls for 29.3 days and typically aggregates up to 254mm (10") of precipitation.

In San Bartolo Yautepec, in September, during 29.3 rainfall days, 254mm (10") of precipitation is typically accumulated.

In September, the average day length is 12h and 13min.

In September, on the first day of the month, sunrise is at 6:10 am and sunset at 6:36 pm. On the last day of the month, in San Bartolo Yautepec, Mexico, sunrise is at 6:13 am and sunset at 6:13 pm CST.

The average sunshine duration in September in San Bartolo Yautepec, Mexico, is 8.5h.

The months with the lowest UV index in San Bartolo Yautepec, Mexico, are January through March, May, June, August through December, with an average maximum UV index of 6.

In San Bartolo Yautepec, Mexico, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
San Bartolo Yautepec, Mexico

  • Average high temperature in September: 26.9°C

The warmest month (with the highest average high temperature) is April (29.6°C).
The month with the lowest average high temperature is September (26.9°C).

  • Average low temperature in September: 22.5°C

The month with the highest average low temperature is May (23.8°C).
The coldest month (with the lowest average low temperature) is January (20.4°C).

Average pressure in September
San Bartolo Yautepec, Mexico

  • Average pressure in September: 1011.5mbar

The month with the highest atmospheric pressure is January (1014.3mbar).
The month with the lowest atmospheric pressure is May (1011.3mbar).

Average wind speed in September
San Bartolo Yautepec, Mexico

  • Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is April (9.3km/h).
The calmest month (with the lowest average wind speed) is October (7.3km/h).

Average humidity in September
San Bartolo Yautepec, Mexico

  • Average humidity in September: 80%

The month with the highest relative humidity is September (80%).
The months with the lowest relative humidity are January and March (64%).

Average rainfall in September
San Bartolo Yautepec, Mexico

  • Average rainfall in September: 254mm

The wettest month (with the highest rainfall) is September (254mm).
The driest month (with the least rainfall) is January (4mm).

Average rainfall days in September
San Bartolo Yautepec, Mexico

  • Average rainfall days in September: 29.3 days

The month with the highest number of rainy days is August (30.3 days).
The month with the least rainy days is February (3.4 days).

Average daylight in September /
Average sunshine in September
San Bartolo Yautepec, Mexico

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in September: 8h and 30min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).

Average sunshine days in September
San Bartolo Yautepec, Mexico

  • Average sunshine days in September: 0.1 days

The month with the most sunshine days is January (24.8 days).
The months with the least sunshine days are August and September (0.1 days).

Average UV index in September
San Bartolo Yautepec, Mexico

  • Average UV index in September: 6

The months with the highest UV index are April and July (UV index 7).
The months with the lowest UV index are January, February, March, May, June, August, September, October, November and December (UV index 6).

Average cloud cover in September
San Bartolo Yautepec, Mexico

  • Average cloud cover in September: 38

The months with the most cloud cover are June and September (Cloud cover 38).
The month with the least cloud cover is February (Cloud cover 8).

Average visibility in September
San Bartolo Yautepec, Mexico

  • Average visibility in September: 9km

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