September weather forecastAhualulco, Mexico

September

Weather in September

September, the first month of the autumn in Ahualulco, is still a pleasant month, with an average temperature ranging between min 13.9°C (57°F) and max 22.7°C (72.9°F).

Temperature

September welcomes an average high-temperature of a pleasant 22.7°C (72.9°F), not much different from the preceding month. Throughout September, Ahualulco witnesses a nighttime temperature average of 13.9°C (57°F).

Humidity

The most humid month is September, with an average relative humidity of 74%.

Rainfall

In Ahualulco, in September, during 16.3 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 136.8 rainfall days, and 442mm (17.4") of precipitation is accumulated.

Snowfall

In Ahualulco, snow does not fall in February through October.

Daylight

In Ahualulco, the average length of the day in September is 12h and 16min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:01 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:32 pm CST.

Sunshine

The average sunshine in September is 9.2h.

UV index

February through October, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 during September translates into the following guidance:
Take precautions - Protection against skin and eye damage is obliged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

In September, the average high-temperature and low-temperature in Ahualulco are 22.7°C (72.9°F) and 13.9°C (57°F) respectively.

September is the most humid month, with an average relative humidity of 74%.

In Ahualulco, Mexico, the average relative humidity in September is 74%.

In Ahualulco, in September, it is raining for 16.3 days, with typically 43mm (1.69") of accumulated precipitation.

In Ahualulco, snow does not fall in February through October.

In September, the average day length is 12h and 16min.

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:32 pm CST.

In Ahualulco, the average sunshine duration in September is 9.2h.

The months with the highest UV index in Ahualulco, Mexico, are February through October, with an average maximum UV index of 5.

In Ahualulco, the average daily maximum UV index in September is 5. A UV Index estimate 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
Ahualulco, Mexico

  • Average high temperature in September: 22.7°C

The warmest month (with the highest average high temperature) is May (26.7°C).
The month with the lowest average high temperature is January (18.7°C).

  • Average low temperature in September: 13.9°C

The month with the highest average low temperature is May (14.9°C).
The coldest month (with the lowest average low temperature) is January (7°C).

Average pressure in September
Ahualulco, Mexico

  • Average pressure in September: 1015.7mbar

The month with the highest atmospheric pressure is January (1018.9mbar).
The month with the lowest atmospheric pressure is May (1013.6mbar).

Average wind speed in September
Ahualulco, Mexico

  • Average wind speed in September: 11.1km/h

The windiest month (with the highest average wind speed) is April (12.5km/h).
The calmest month (with the lowest average wind speed) is November (9km/h).

Average humidity in September
Ahualulco, Mexico

  • Average humidity in September: 74%

The month with the highest relative humidity is September (74%).
The month with the lowest relative humidity is April (44%).

Average rainfall in September
Ahualulco, Mexico

  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is May (81mm).
The driest month (with the least rainfall) is December (10mm).

Average rainfall days in September
Ahualulco, Mexico

  • Average rainfall days in September: 16.3 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is December (5.8 days).

Average snowfall days in September
Ahualulco, Mexico

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January, November and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in September: 9h and 12min

The months with the most sunshine are March, May, June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 8h and 18min).

Average sunshine days in September
Ahualulco, Mexico

  • Average sunshine days in September: 8.6 days

The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is September (8.6 days).

Average UV index in September
Ahualulco, Mexico

  • Average UV index in September: 5

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

Average cloud cover in September
Ahualulco, Mexico

  • Average cloud cover in September: 42

The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is February (Cloud cover 18).

Average visibility in September
Ahualulco, Mexico

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June and December (10km).
The months with the lowest visibility are July, August, September, October and November (9km).