September weather forecastAyotlán, Mexico

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Ayotlán, Mexico, with an average temperature ranging between min 12.8°C (55°F) and max 23.9°C (75°F).

Temperature

Ayotlán, Mexico, records an average high-temperature of a still warm 23.9°C (75°F) in September, closely mirroring the climate of the previous month. Ayotlán encounters a steady low-temperature average of 12.8°C (55°F) throughout the month of September.

Humidity

With an average relative humidity of 81%, September is the most humid month.

Rainfall

In Ayotlán, during September, the rain falls for 25.4 days and regularly aggregates up to 132mm (5.2") of precipitation. Throughout the year, there are 155.8 rainfall days, and 747mm (29.41") of precipitation is accumulated.

Daylight

In Ayotlán, Mexico, the average length of the day in September is 12h and 15min.
On the first day of September in Ayotlán, Mexico, sunrise is at 6:33 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:37 pm CST.

Sunshine

The average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 during September leads to these advisories:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

In Ayotlán, in September, the average high-temperature is 23.9°C (75°F), and the average low-temperature is 12.8°C (55°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in June is evaluated at 29°C (84.2°F).

With an average relative humidity of 81%, September is the most humid month in Ayotlán, Mexico.

In Ayotlán, Mexico, the average relative humidity in September is 81%.

In Ayotlán, Mexico, in September, during 25.4 rainfall days, 132mm (5.2") of precipitation is typically accumulated.

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

On the first day of September, sunrise is at 6:33 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:37 pm CST.

The average sunshine duration in September is 9.1h.

The average daily maximum UV index in September in Ayotlán, Mexico, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Ayotlán, Mexico

  • Average high temperature in September: 23.9°C

The warmest month (with the highest average high temperature) is May (30.3°C).
The months with the lowest average high temperature are January and December (21.7°C).

  • Average low temperature in September: 12.8°C

The month with the highest average low temperature is June (16.5°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).

Average pressure in September
Ayotlán, Mexico

  • Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is May (1013mbar).

Average wind speed in September
Ayotlán, Mexico

  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is April (9.9km/h).
The calmest month (with the lowest average wind speed) is July (5.6km/h).

Average humidity in September
Ayotlán, Mexico

  • Average humidity in September: 81%

The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (33%).

Average rainfall in September
Ayotlán, Mexico

  • Average rainfall in September: 132mm

The wettest month (with the highest rainfall) is July (174mm).
The driest month (with the least rainfall) is April (3mm).

Average rainfall days in September
Ayotlán, Mexico

  • Average rainfall days in September: 25.4 days

The months with the highest number of rainy days are July and August (27.7 days).
The month with the least rainy days is April (3.5 days).

Average daylight in September /
Average sunshine in September
Ayotlán, Mexico

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in September: 9h and 6min

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

Average sunshine days in September
Ayotlán, Mexico

  • Average sunshine days in September: 2.6 days

The month with the most sunshine days is December (26.4 days).
The month with the least sunshine days is July (1.4 days).

Average UV index in September
Ayotlán, Mexico

  • Average UV index in September: 5

The months with the highest UV index are March, April and May (UV index 6).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in September
Ayotlán, Mexico

  • Average cloud cover in September: 38

The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is March (Cloud cover 9).

Average visibility in September
Ayotlán, Mexico

  • Average visibility in September: 8km

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