September weather forecastAcuitlapán, Mexico

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Acuitlapán, Mexico, with an average temperature ranging between max 25.9°C (78.6°F) and min 14.9°C (58.8°F).

Temperature

September commences with an average high-temperature of a still warm 25.9°C (78.6°F), showing little deviation from August's 27.2°C (81°F). Throughout the month of September, the average temperature dips to a mild 14.9°C (58.8°F) at night.

Humidity

The most humid month is September, with an average relative humidity of 81%.

Rainfall

In Acuitlapán, in September, during 27.3 rainfall days, 210mm (8.27") of precipitation is typically accumulated. In Acuitlapán, during the entire year, the rain falls for 187.6 days and collects up to 1136mm (44.72") of precipitation.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of the month, sunrise is at 6:23 am and sunset at 6:52 pm. On the last day of September, sunrise is at 6:28 am and sunset at 6:27 pm CST.

Sunshine

The average sunshine in September is 9h.

UV index

The months with the lowest UV index in Acuitlapán, Mexico, are January, June, August through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - Avoiding sunburn is suggested. Avoiding the Sun during its peak radiation time around midday is a healthy practice. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

An average high-temperature, in September, in Acuitlapán, is 25.9°C (78.6°F) and the average low-temperature is 14.9°C (58.8°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 30°C (86°F).

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

The average relative humidity in September is 81%.

In Acuitlapán, in September, it is raining for 27.3 days, with typically 210mm (8.27") of accumulated precipitation.

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

On the first day of September, sunrise is at 6:23 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 6:27 pm CST.

The average sunshine duration in September is 9h.

The months with the lowest UV index are January, June, August through December, with an average maximum UV index of 5.

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate 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
Acuitlapán, Mexico

  • Average high temperature in September: 25.9°C

The warmest month (with the highest average high temperature) is April (32.1°C).
The month with the lowest average high temperature is December (24.8°C).

  • Average low temperature in September: 14.9°C

The month with the highest average low temperature is May (18.3°C).
The coldest month (with the lowest average low temperature) is January (11.6°C).

Average pressure in September
Acuitlapán, Mexico

  • Average pressure in September: 1014.3mbar

The month with the highest atmospheric pressure is January (1016.5mbar).
The month with the lowest atmospheric pressure is May (1013.2mbar).

Average wind speed in September
Acuitlapán, Mexico

  • Average wind speed in September: 4.6km/h

The windiest month (with the highest average wind speed) is April (6km/h).
The calmest months (with the lowest average wind speed) are August and September (4.6km/h).

Average humidity in September
Acuitlapán, 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 (36%).

Average rainfall in September
Acuitlapán, Mexico

  • Average rainfall in September: 210mm

The wettest month (with the highest rainfall) is June (212mm).
The driest month (with the least rainfall) is December (6mm).

Average rainfall days in September
Acuitlapán, Mexico

  • Average rainfall days in September: 27.3 days

The month with the highest number of rainy days is August (29 days).
The month with the least rainy days is January (4.2 days).

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

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in September: 9h and 0min

The months with the most sunshine are January, February, April, May and December (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 8h and 36min).

Average sunshine days in September
Acuitlapán, Mexico

  • Average sunshine days in September: 1.4 days

The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is August (0.8 days).

Average UV index in September
Acuitlapán, Mexico

  • Average UV index in September: 5

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

Average cloud cover in September
Acuitlapán, Mexico

  • Average cloud cover in September: 38

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

Average visibility in September
Acuitlapán, Mexico

  • Average visibility in September: 8km

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