September weather forecastJuchitlán, Mexico

September

Weather in September

September, the first month of the autumn in Juchitlán, is also a moderately hot month, with an average temperature ranging between min 17.2°C (63°F) and max 26.3°C (79.3°F).

Temperature

The arrival of September marks a slight shift to an average high-temperature of a still moderately hot 26.3°C (79.3°F) from August's 27°C (80.6°F). Throughout September nights, Juchitlán experiences a consistent temperature average of 17.2°C (63°F).

Humidity

The most humid month is September, with an average relative humidity of 88%.

Rainfall

In Juchitlán, in September, it is raining for 26.6 days, with typically 219mm (8.62") of accumulated precipitation. Throughout the year, there are 166 rainfall days, and 1067mm (42.01") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 15min.
On the first day of September in Juchitlán, Mexico, sunrise is at 6:40 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:45 pm CST.

Sunshine

The month with the least sunshine is September, with an average of 7.8h of sunshine.

UV index

The months with the highest UV index in Juchitlán are February through July and September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

Juchitlán in September has an average high-temperature of 26.3°C (79.3°F) and an average low-temperature of 17.2°C (63°F). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 30°C (86°F).

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

In Juchitlán, Mexico, the average relative humidity in September is 88%.

In Juchitlán, Mexico, during September, the rain falls for 26.6 days and regularly aggregates up to 219mm (8.62") of precipitation.

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

In September, on the first day of the month, sunrise is at 6:40 am and sunset at 7:11 pm. On the last day of the month, in Juchitlán, sunrise is at 6:47 am and sunset at 6:45 pm CST.

The month with the least sunshine in Juchitlán, Mexico, is September, with an average of 7.8h of sunshine.

In September, the average sunshine duration in Juchitlán, Mexico, is 7.8h.

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

In September, the average daily maximum UV index in Juchitlán, Mexico, is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Juchitlán, 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: 17.2°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
Juchitlán, Mexico

  • Average pressure in September: 1011.7mbar

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
Juchitlán, Mexico

  • Average wind speed in September: 4.4km/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
Juchitlán, 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
Juchitlán, Mexico

  • Average rainfall in September: 219mm

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
Juchitlán, Mexico

  • Average rainfall days in September: 26.6 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
Juchitlán, 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: 7h and 48min

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: 7h and 48min).

Average sunshine days in September
Juchitlán, Mexico

  • Average sunshine days in September: 3.1 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
Juchitlán, 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
Juchitlán, Mexico

  • Average cloud cover in September: 58

The month with the most cloud cover is September (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 9).

Average visibility in September
Juchitlán, 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).