September weather forecast
Santiago Tepatlaxco, Mexico

September

Weather in September

September, the first month of the autumn in Santiago Tepatlaxco, is still a comfortable month, with temperature in the range of an average high of 19.7°C (67.5°F) and an average low of 10.3°C (50.5°F).

Temperature

The average high-temperature during September registers at a comfortable 19.7°C (67.5°F), closely corresponding to the preceding month. Throughout the nights in September, Santiago Tepatlaxco experiences an average low-temperature of 10.3°C (50.5°F).

Humidity

With an average relative humidity of 79%, September is the most humid month in Santiago Tepatlaxco.

Rainfall

In Santiago Tepatlaxco, Mexico, in September, during 19.6 rainfall days, 62mm (2.44") of precipitation is typically accumulated. In Santiago Tepatlaxco, Mexico, during the entire year, the rain falls for 134.4 days and collects up to 455mm (17.91") of precipitation.

Snowfall

February through November are months without snowfall in Santiago Tepatlaxco.

Daylight

In September, the average length of the day in Santiago Tepatlaxco, Mexico, is 12h and 14min.
On the first day of September in Santiago Tepatlaxco, sunrise is at 6:22 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 6:26 pm CST.

Sunshine

The average sunshine in September in Santiago Tepatlaxco, Mexico, is 8.9h.

UV index

January, June through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What is the average September temperature in Santiago Tepatlaxco?
During September, Santiago Tepatlaxco experiences an average high-temperature of 19.7°C (67.5°F) and a low-temperature of 10.3°C (50.5°F).
What is the most humid month in Santiago Tepatlaxco?
With an average relative humidity of 79%, September is the most humid month.
What is the average humidity in September in Santiago Tepatlaxco?
The average relative humidity in September in Santiago Tepatlaxco, Mexico, is 79%.
How many days does it rain in September in Santiago Tepatlaxco?
In Santiago Tepatlaxco, in September, during 19.6 rainfall days, 62mm (2.44") of precipitation is typically accumulated.
When it does not snow in Santiago Tepatlaxco?
February through November are months without snowfall in Santiago Tepatlaxco, Mexico.
How many hours of daylight does Santiago Tepatlaxco have in September?
The average day length in September in Santiago Tepatlaxco, Mexico, is 12h and 14min.
When is the sunrise / sunset in September in Santiago Tepatlaxco?
On the first day of September in Santiago Tepatlaxco, Mexico, sunrise is at 6:22 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 6:26 pm CST.
How long on average sun shines in September in Santiago Tepatlaxco?
In September, the average sunshine duration is 8.9h.
What are the months with the lowest UV index in Santiago Tepatlaxco?
The months with the lowest UV index are January, June through December, with an average maximum UV index of 4.
What is the UV index reading in September in Santiago Tepatlaxco?
The average daily maximum UV index in September in Santiago Tepatlaxco 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 snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Santiago Tepatlaxco, Mexico
  • Average high temperature in September: 19.7°C

The warmest months (with the highest average high temperature) are April and May (24.3°C).
The month with the lowest average high temperature is January (18°C).

  • Average low temperature in September: 10.3°C

The month with the highest average low temperature is May (12.3°C).
The coldest month (with the lowest average low temperature) is January (6°C).

Average pressure in September
Santiago Tepatlaxco, Mexico
  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).

Average wind speed in September
Santiago Tepatlaxco, Mexico
  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is July (6.1km/h).

Average humidity in September
Santiago Tepatlaxco, Mexico
  • Average humidity in September: 79%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is April (43%).

Average rainfall in September
Santiago Tepatlaxco, Mexico
  • Average rainfall in September: 62mm

The wettest month (with the highest rainfall) is July (110mm).
The driest month (with the least rainfall) is December (4mm).

Average rainfall days in September
Santiago Tepatlaxco, Mexico
  • Average rainfall days in September: 19.6 days

The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is December (3.1 days).

Average snowfall days in September
Santiago Tepatlaxco, Mexico
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Santiago Tepatlaxco, Mexico
  • Average daylight in September: 12h and 1min

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 5min

The months with the most sunshine are May and June (Average sunshine: 10h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).

Average sunshine days in September
Santiago Tepatlaxco, Mexico
  • Average sunshine days in September: 7.5 days

The month with the most sunshine days is December (23.2 days).
The month with the least sunshine days is July (3.7 days).

Average UV index in September
Santiago Tepatlaxco, Mexico
  • Average UV index in September: 4

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

Average cloud cover in September
Santiago Tepatlaxco, Mexico
  • Average cloud cover in September: 43

The month with the most cloud cover is September (Cloud cover 43).
The months with the least cloud cover are February and March (Cloud cover 12).

Average visibility in September
Santiago Tepatlaxco, Mexico
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are July, August, September and October (8km).

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