September weather forecastChilcuautla, Mexico

September

Weather in September

September, the first month of the autumn in Chilcuautla, is also an agreeable month, with an average temperature fluctuating between 13.5°C (56.3°F) and 21°C (69.8°F).

Temperature

September's commencement is accompanied by an average high-temperature of a still agreeable 21°C (69.8°F), diverging marginally from August's 22.3°C (72.1°F). During the month of September, an average temperature of 13.5°C (56.3°F) is noted during the nights.

Humidity

The most humid month in Chilcuautla is September, with an average relative humidity of 83%.

Rainfall

In Chilcuautla, during September, the rain falls for 25 days and regularly aggregates up to 80mm (3.15") of precipitation. Throughout the year, there are 185.4 rainfall days, and 547mm (21.54") of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

In Chilcuautla, the average length of the day in September is 12h and 15min.
On the first day of the month, sunrise is at 6:21 am and sunset at 6:52 pm. On the last day of September, sunrise is at 6:27 am and sunset at 6:25 pm CST.

Sunshine

In September, the average sunshine is 8.1h.

UV index

The months with the highest UV index in Chilcuautla are February through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

September temperatures in Chilcuautla, Mexico, vary between a high-temperature of 21°C (69.8°F) and a low-temperature of 13.5°C (56.3°F).

September is the most humid month in Chilcuautla, Mexico, with an average relative humidity of 83%.

The average relative humidity in September in Chilcuautla is 83%.

In September, the rain falls for 25 days. Throughout September, 80mm (3.15") of precipitation is accumulated.

In Chilcuautla, snow does not fall in February through December.

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

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 6:52 pm. On the last day of the month, in Chilcuautla, Mexico, sunrise is at 6:27 am and sunset at 6:25 pm CST.

In Chilcuautla, the average sunshine duration in September is 8.1h.

February through September, with an average maximum UV index of 5, are months with the highest UV index in Chilcuautla, Mexico.

In Chilcuautla, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents 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 snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Chilcuautla, Mexico

  • Average high temperature in September: 21°C

The warmest month (with the highest average high temperature) is April (25.9°C).
The month with the lowest average high temperature is January (18.8°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is May (14.2°C).
The coldest month (with the lowest average low temperature) is January (7.7°C).

Average pressure in September
Chilcuautla, Mexico

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is January (1019mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).

Average wind speed in September
Chilcuautla, Mexico

  • Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is March (9.8km/h).
The calmest months (with the lowest average wind speed) are November and December (7.9km/h).

Average humidity in September
Chilcuautla, Mexico

  • Average humidity in September: 83%

The month with the highest relative humidity is September (83%).
The month with the lowest relative humidity is April (53%).

Average rainfall in September
Chilcuautla, Mexico

  • Average rainfall in September: 80mm

The wettest month (with the highest rainfall) is July (123mm).
The driest month (with the least rainfall) is December (3mm).

Average rainfall days in September
Chilcuautla, Mexico

  • Average rainfall days in September: 25 days

The month with the highest number of rainy days is July (28 days).
The month with the least rainy days is December (3.2 days).

Average snowfall days in September
Chilcuautla, Mexico

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Chilcuautla, 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 6min

The month with the most sunshine is May (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 7h and 18min).

Average sunshine days in September
Chilcuautla, Mexico

  • Average sunshine days in September: 2.9 days

The month with the most sunshine days is December (26.2 days).
The month with the least sunshine days is July (1.1 days).

Average UV index in September
Chilcuautla, Mexico

  • Average UV index in September: 5

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

Average cloud cover in September
Chilcuautla, Mexico

  • Average cloud cover in September: 56

The month with the most cloud cover is September (Cloud cover 56).
The month with the least cloud cover is April (Cloud cover 19).

Average visibility in September
Chilcuautla, Mexico

  • Average visibility in September: 7km

The months with the highest visibility are January, February, March and April (10km).
The month with the lowest visibility is September (7km).