September weather forecastAyahualulco, Mexico

September

Weather in September

September, the first month of the autumn in Ayahualulco, is still a pleasant month, with an average temperature varying between 21.4°C (70.5°F) and 13.7°C (56.7°F).

Temperature

September commences with an average high-temperature of a still agreeable 21.4°C (70.5°F), showing little deviation from August's 22.5°C (72.5°F). During the month of September, Ayahualulco's nighttime temperature lowers to an average of 13.7°C (56.7°F).

Humidity

With an average relative humidity of 87%, September is the most humid month.

Rainfall

In Ayahualulco, in September, it is raining for 25.1 days, with typically 161mm (6.34") of accumulated precipitation. Throughout the year, there are 238.7 rainfall days, and 1278mm (50.31") of precipitation is accumulated.

Daylight

In Ayahualulco, the average length of the day in September is 12h and 14min.
On the first day of September in Ayahualulco, sunrise is at 6:13 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 6:17 pm CST.

Sunshine

The average sunshine in September in Ayahualulco is 7h.

UV index

February through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Ayahualulco, Mexico, during September is 21.4°C (70.5°F) and the low-temperature is 13.7°C (56.7°F).

With an average relative humidity of 87%, September is the most humid month in Ayahualulco, Mexico.

The average relative humidity in September in Ayahualulco, Mexico, is 87%.

In September, the rain falls for 25.1 days. Throughout September, 161mm (6.34") of precipitation is accumulated.

In September, the average day length is 12h and 14min.

On the first day of September in Ayahualulco, Mexico, sunrise is at 6:13 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 6:17 pm CST.

In September, the average sunshine duration in Ayahualulco is 7h.

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

In Ayahualulco, Mexico, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

22.5°C

21.4°C

20.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.5km/h

6.7km/h

7.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.2

2.8

6.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Ayahualulco, Mexico

Average high temperature in September: 21.4°C

The warmest month (with the highest average high temperature) is April (24.4°C).
The month with the lowest average high temperature is January (17.8°C).

Average low temperature in September: 13.7°C

The month with the highest average low temperature is May (14.6°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).

Average pressure in September
Ayahualulco, Mexico

Average pressure in September: 1014.2mbar

The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is May (1013.2mbar).

Average wind speed in September
Ayahualulco, Mexico

Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is April (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

Average humidity in September
Ayahualulco, Mexico

Average humidity in September: 87%

The month with the highest relative humidity is September (87%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Ayahualulco, Mexico

Average rainfall in September: 161mm

The wettest month (with the highest rainfall) is May (203mm).
The driest month (with the least rainfall) is December (14mm).

Average rainfall days in September
Ayahualulco, Mexico

Average rainfall days in September: 25.1 days

The month with the highest number of rainy days is August (26.7 days).
The month with the least rainy days is December (12.2 days).

Average daylight in September /
Average sunshine in September
Ayahualulco, 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: 11h and 0min).

Average sunshine in September: 7h and 0min

The month with the most sunshine is May (Average sunshine: 10h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).

Average sunshine days in September
Ayahualulco, Mexico

Average sunshine days in September: 2.8 days

The month with the most sunshine days is January (15.5 days).
The month with the least sunshine days is August (2.2 days).

Average UV index in September
Ayahualulco, 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).