September weather forecast
Cacahuamilpa, Mexico

September

Weather in September

The first month of the autumn, September, is still a warm month in Cacahuamilpa, Mexico, with an average temperature fluctuating between 14.9°C (58.8°F) and 25.9°C (78.6°F).

Temperature

Cacahuamilpa's weather, upon September's arrival, documents an average high-temperature of a still moderately hot 25.9°C (78.6°F), nearly identical to the prior month. Throughout September, the temperature tends to fall to a consistent average low of 14.9°C (58.8°F).

Humidity

With an average relative humidity of 81%, September is the most humid month.

Rainfall

In September, the rain falls for 27.3 days. Throughout September, 210mm (8.27") of precipitation is accumulated. Throughout the year, there are 187.6 rainfall days, and 1136mm (44.72") of precipitation is accumulated.

Daylight

In Cacahuamilpa, the average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 6:23 am and sunset at 6:52 pm. On the last day of September, sunrise is at 6:28 am and sunset at 6:26 pm CST.

Sunshine

In Cacahuamilpa, the average sunshine in September is 9h.

UV index

January, June, August through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 during September translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What are the temperatures in September?
In September, in Cacahuamilpa, the average high-temperature is 25.9°C (78.6°F), and the average low-temperature is 14.9°C (58.8°F). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 30°C (86°F).
What is the most humid month?
September is the most humid month, with an average relative humidity of 81%.
What is the average humidity in September?
In September, the average relative humidity is 81%.
How much does it rain in September?
In Cacahuamilpa, in September, it is raining for 27.3 days, with typically 210mm (8.27") of accumulated precipitation.
How many hours of daylight does Cacahuamilpa have in September?
In September, the average day length is 12h and 14min.
When are sunrise and sunset in September?
On the first day of September, sunrise is at 6:23 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 6:26 pm CST.
How many hours of sunshine does Cacahuamilpa have in September?
In Cacahuamilpa, Mexico, the average sunshine duration in September is 9h.
What is the month with the lowest UV index?
The months with the lowest UV index are January, June, August through December, with an average maximum UV index of 5.
How high is the UV index in September?
In September, the average daily maximum UV index in Cacahuamilpa is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Cacahuamilpa, Mexico
  • Average high temperature in September: 25.9°C

The warmest month (with the highest average high temperature) is April (32.1°C).
The month with the lowest average high temperature is December (24.8°C).

  • Average low temperature in September: 14.9°C

The month with the highest average low temperature is May (18.3°C).
The coldest month (with the lowest average low temperature) is January (11.6°C).

Average pressure in September
Cacahuamilpa, Mexico
  • Average pressure in September: 1014.3mbar

The month with the highest atmospheric pressure is January (1016.5mbar).
The month with the lowest atmospheric pressure is May (1013.2mbar).

Average wind speed in September
Cacahuamilpa, Mexico
  • Average wind speed in September: 4.6km/h

The windiest month (with the highest average wind speed) is April (6km/h).
The calmest months (with the lowest average wind speed) are August and September (4.6km/h).

Average humidity in September
Cacahuamilpa, Mexico
  • Average humidity in September: 81%

The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (36%).

Average rainfall in September
Cacahuamilpa, Mexico
  • Average rainfall in September: 210mm

The wettest month (with the highest rainfall) is June (212mm).
The driest month (with the least rainfall) is December (6mm).

Average rainfall days in September
Cacahuamilpa, Mexico
  • Average rainfall days in September: 27.3 days

The month with the highest number of rainy days is August (29 days).
The month with the least rainy days is January (4.2 days).

Average daylight in September /
Average sunshine in September
Cacahuamilpa, Mexico
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in September: 9h and 0min

The months with the most sunshine are January, February, April, May and December (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 8h and 36min).

Average sunshine days in September
Cacahuamilpa, Mexico
  • Average sunshine days in September: 1.4 days

The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is August (0.8 days).

Average UV index in September
Cacahuamilpa, Mexico
  • Average UV index in September: 5

The months with the highest UV index are February, March, April, May and July (UV index 6).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 5).

Average cloud cover in September
Cacahuamilpa, Mexico
  • Average cloud cover in September: 38

The month with the most cloud cover is September (Cloud cover 38).
The months with the least cloud cover are February, March, April and December (Cloud cover 11).

Average visibility in September
Cacahuamilpa, Mexico
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is September (8km).

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