September weather forecastAyutla, Mexico

September

Weather in September

September, the first month of the autumn in Ayutla, is also a moderately hot month, with an average temperature ranging between min 17.1°C (62.8°F) and max 26.3°C (79.3°F).

Temperature

Ayutla registers an average high-temperature of a still moderately hot 26.3°C (79.3°F) at the commencement of September, closely related to the preceding month. Throughout September, an average low-temperature of 17.1°C (62.8°F) is expected in Ayutla.

Humidity

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

Rainfall

In Ayutla, during September, the rain falls for 26.3 days and regularly aggregates up to 202mm (7.95") of precipitation. Throughout the year, in Ayutla, there are 165.7 rainfall days, and 1050mm (41.34") of precipitation is accumulated.

Daylight

In September, the average length of the day in Ayutla is 12h and 15min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:12 pm. On the last day of September, in Ayutla, sunrise is at 6:48 am and sunset at 6:46 pm CST.

Sunshine

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

UV index

February through July and September, with an average maximum UV index of 6, are months with the highest UV index in Ayutla. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

An average high-temperature, in September, in Ayutla, 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 takes the relative humidity and factors it into the air temperature reading, is computed to be 30°C (86°F).

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

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

In September, in Ayutla, the rain falls for 26.3 days. Throughout September, 202mm (7.95") of precipitation is accumulated.

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

On the first day of September in Ayutla, Mexico, sunrise is at 6:41 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:46 pm CST.

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

In September, the average sunshine duration is 8h.

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

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Ayutla, 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
Ayutla, 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
Ayutla, 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
Ayutla, 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
Ayutla, 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
Ayutla, 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
Ayutla, 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
Ayutla, 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
Ayutla, 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
Ayutla, 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
Ayutla, 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).