September weather forecastTepexpan, Mexico

September

Weather in September

September, the first month of the autumn in Tepexpan, is also an agreeable month, with an average temperature ranging between min 10.6°C (51.1°F) and max 20.7°C (69.3°F).

Temperature

Tepexpan experiences an average high-temperature of a still agreeable 20.7°C (69.3°F) in September, marking an insignificant shift from 21.7°C (71.1°F) in August. During the nights in September, the temperature averages to a cool 10.6°C (51.1°F).

Humidity

September is the most humid month, with an average relative humidity of 77%.

Rainfall

In Tepexpan, during September, the rain falls for 23.5 days and regularly aggregates up to 94mm (3.7") of precipitation. Throughout the year, there are 163.6 rainfall days, and 643mm (25.31") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of September in Tepexpan, Mexico, sunrise is at 6:20 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 6:24 pm CST.

Sunshine

In September, the average sunshine in Tepexpan is 9.1h.

UV index

The months with the lowest UV index are January, June through December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

September temperatures in Tepexpan, Mexico, vary between a high-temperature of 20.7°C (69.3°F) and a low-temperature of 10.6°C (51.1°F).

The most humid month is September, with an average relative humidity of 77%.

In September, the average relative humidity in Tepexpan, Mexico, is 77%.

In Tepexpan, during September, the rain falls for 23.5 days and regularly aggregates up to 94mm (3.7") of precipitation.

The average day length in September is 12h and 14min.

In September, on the first day of the month, sunrise is at 6:20 am and sunset at 6:50 pm. On the last day of the month, in Tepexpan, sunrise is at 6:26 am and sunset at 6:24 pm CST.

The average sunshine duration in September is 9.1h.

January, June through December, with an average maximum UV index of 4, are months with the lowest UV index in Tepexpan, Mexico.

In September, the average daily maximum UV index in Tepexpan is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
Tepexpan, Mexico

  • Average high temperature in September: 20.7°C

The warmest month (with the highest average high temperature) is May (25.3°C).
The month with the lowest average high temperature is January (18.9°C).

  • Average low temperature in September: 10.6°C

The month with the highest average low temperature is May (12.8°C).
The coldest month (with the lowest average low temperature) is January (6.5°C).

Average pressure in September
Tepexpan, Mexico

  • Average pressure in September: 1015.7mbar

The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).

Average wind speed in September
Tepexpan, Mexico

  • Average wind speed in September: 6.8km/h

The windiest months (with the highest average wind speed) are February, March and April (8km/h).
The calmest month (with the lowest average wind speed) is July (6.1km/h).

Average humidity in September
Tepexpan, Mexico

  • Average humidity in September: 77%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (42%).

Average rainfall in September
Tepexpan, Mexico

  • Average rainfall in September: 94mm

The wettest month (with the highest rainfall) is August (125mm).
The driest month (with the least rainfall) is December (4mm).

Average rainfall days in September
Tepexpan, Mexico

  • Average rainfall days in September: 23.5 days

The month with the highest number of rainy days is August (24.4 days).
The month with the least rainy days is December (3.7 days).

Average daylight in September /
Average sunshine in September
Tepexpan, 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: 9h and 6min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).

Average sunshine days in September
Tepexpan, Mexico

  • Average sunshine days in September: 3.2 days

The month with the most sunshine days is December (26.1 days).
The month with the least sunshine days is September (3.2 days).

Average UV index in September
Tepexpan, 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
Tepexpan, Mexico

  • Average cloud cover in September: 37

The month with the most cloud cover is July (Cloud cover 38).
The months with the least cloud cover are February and December (Cloud cover 11).

Average visibility in September
Tepexpan, 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 and September (8km).