September weather forecastApulco, Mexico

September

Weather in September

The first month of the autumn, September, is still a warm month in Apulco, Mexico, with an average temperature fluctuating between 13.5°C (56.3°F) and 25.2°C (77.4°F).

Temperature

The high-temperature average in September for Apulco, Mexico, is a still moderately hot 25.2°C (77.4°F), staying closely aligned with August's conditions. Apulco, during September, witnesses an average low-temperature of 13.5°C (56.3°F).

Humidity

The most humid month in Apulco, Mexico, is September, with an average relative humidity of 75%.

Rainfall

In September, the rain falls for 23.8 days. Throughout September, 82mm (3.23") of precipitation is accumulated. In Apulco, during the entire year, the rain falls for 137.4 days and collects up to 538mm (21.18") of precipitation.

Daylight

The average length of the day in September is 12h and 16min.
On the first day of September, sunrise is at 6:34 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:39 pm CST.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 5 during September translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

In September, in Apulco, the average high-temperature is 25.2°C (77.4°F), and the average low-temperature is 13.5°C (56.3°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in June is computed to be 30°C (86°F).

September is the most humid month, with an average relative humidity of 75%.

The average relative humidity in September in Apulco, Mexico, is 75%.

In Apulco, during September, the rain falls for 23.8 days and regularly aggregates up to 82mm (3.23") of precipitation.

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

On the first day of September in Apulco, sunrise is at 6:34 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:39 pm CST.

In September, the average sunshine duration in Apulco is 9.3h.

In Apulco, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Apulco, Mexico

  • Average high temperature in September: 25.2°C

The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (21.8°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is June (16.7°C).
The coldest month (with the lowest average low temperature) is January (8°C).

Average pressure in September
Apulco, Mexico

  • Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.1mbar).

Average wind speed in September
Apulco, Mexico

  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is April (9.4km/h).
The calmest month (with the lowest average wind speed) is July (5.8km/h).

Average humidity in September
Apulco, Mexico

  • Average humidity in September: 75%

The month with the highest relative humidity is September (75%).
The month with the lowest relative humidity is April (30%).

Average rainfall in September
Apulco, Mexico

  • Average rainfall in September: 82mm

The wettest month (with the highest rainfall) is July (136mm).
The driest month (with the least rainfall) is April (2mm).

Average rainfall days in September
Apulco, Mexico

  • Average rainfall days in September: 23.8 days

The month with the highest number of rainy days is July (25.2 days).
The month with the least rainy days is April (2.4 days).

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

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in September: 9h and 18min

The month with the most sunshine is May (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 9h and 0min).

Average sunshine days in September
Apulco, Mexico

  • Average sunshine days in September: 3.5 days

The month with the most sunshine days is April (26.3 days).
The month with the least sunshine days is August (2.8 days).

Average UV index in September
Apulco, Mexico

  • Average UV index in September: 5

The months with the highest UV index are March, April, May and June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).

Average cloud cover in September
Apulco, Mexico

  • Average cloud cover in September: 35

The months with the most cloud cover are July and September (Cloud cover 35).
The months with the least cloud cover are March and April (Cloud cover 10).

Average visibility in September
Apulco, Mexico

  • Average visibility in September: 9km

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