September weather forecastUnión de Tula, Mexico

September

Weather in September

The first month of the autumn, September, is still a warm month in Unión de Tula, Mexico, with an average temperature ranging between min 17.1°C (62.8°F) and max 26.3°C (79.3°F).

Temperature

September is marked by an average high-temperature of a still warm 26.3°C (79.3°F), almost identical to the preceding month. During September nights, Unión de Tula witnesses a consistent average temperature of 17.1°C (62.8°F).

Humidity

September is the most humid month in Unión de Tula, with an average relative humidity of 88%.

Rainfall

In Unión de Tula, in September, it is raining for 26.3 days, with typically 202mm (7.95") of accumulated precipitation. In Unión de Tula, during the entire year, the rain falls for 165.7 days and collects up to 1050mm (41.34") of precipitation.

Daylight

In Unión de Tula, the average length of the day in September is 12h and 15min.
On the first day of September, sunrise is at 6:41 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:45 pm CST.

Sunshine

September has the least sunshine of the year, with an average of 8h of sunshine.

UV index

The months with the highest UV index are February through July and September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

An average high-temperature, in September, in Unión de Tula, is 26.3°C (79.3°F) and the average low-temperature is 17.1°C (62.8°F). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 30°C (86°F).

With an average relative humidity of 88%, September is the most humid month.

The average relative humidity in September is 88%.

In Unión de Tula, in September, during 26.3 rainfall days, 202mm (7.95") of precipitation is typically accumulated.

In September, the average day length is 12h and 15min.

On the first day of September, sunrise is at 6:41 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:45 pm CST.

With an average of 8h of sunshine, September has the least sunshine of the year.

The average sunshine duration in September is 8h.

The months with the highest UV index are February through July and September, with an average maximum UV index of 6.

In Unión de Tula, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Unión de Tula, Mexico

  • Average high temperature in September: 26.3°C

The warmest month (with the highest average high temperature) is May (31.7°C).
The month with the lowest average high temperature is December (25.6°C).

  • Average low temperature in September: 17.1°C

The month with the highest average low temperature is June (18.5°C).
The coldest month (with the lowest average low temperature) is January (12.1°C).

Average pressure in September
Unión de Tula, Mexico

  • Average pressure in September: 1011.6mbar

The month with the highest atmospheric pressure is January (1014.8mbar).
The month with the lowest atmospheric pressure is June (1011.5mbar).

Average wind speed in September
Unión de Tula, Mexico

  • Average wind speed in September: 4.5km/h

The windiest month (with the highest average wind speed) is April (6.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).

Average humidity in September
Unión de Tula, 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 (46%).

Average rainfall in September
Unión de Tula, Mexico

  • Average rainfall in September: 202mm

The wettest month (with the highest rainfall) is August (250mm).
The driest month (with the least rainfall) is April (2mm).

Average rainfall days in September
Unión de Tula, Mexico

  • Average rainfall days in September: 26.3 days

The month with the highest number of rainy days is August (29.6 days).
The month with the least rainy days is April (1.6 days).

Average daylight in September /
Average sunshine in September
Unión de Tula, 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: 8h and 0min

The months with the most sunshine are March, April and May (Average sunshine: 9h and 48min).
The month with the least sunshine is September (Average sunshine: 8h and 0min).

Average sunshine days in September
Unión de Tula, Mexico

  • Average sunshine days in September: 3.4 days

The month with the most sunshine days is April (28.1 days).
The month with the least sunshine days is August (0.9 days).

Average UV index in September
Unión de Tula, Mexico

  • Average UV index in September: 6

The months with the highest UV index are February, March, April, May, June, July and September (UV index 6).
The months with the lowest UV index are January, August, October, November and December (UV index 5).

Average cloud cover in September
Unión de Tula, 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 9).

Average visibility in September
Unión de Tula, Mexico

  • Average visibility in September: 6km

The months with the highest visibility are March, April and May (10km).
The month with the lowest visibility is September (6km).