September weather forecastMiahuatlan, Mexico

September

Weather in September

The first month of the autumn, September, is still a warm month in Miahuatlan, Mexico, with an average temperature ranging between min 22.5°C (72.5°F) and max 26.9°C (80.4°F).

Temperature

In Miahuatlan, the lowest average temperatures are observed in September, with a high of 26.9°C (80.4°F) and a low of 22.5°C (72.5°F).

Humidity

September is the most humid month in Miahuatlan, with an average relative humidity of 80%.

Rainfall

September is the month with the most rainfall in Miahuatlan, Mexico. Rain falls for 29.3 days and accumulates 254mm (10") of precipitation.

Daylight

In September, the average length of the day is 12h and 13min.
On the first day of September, sunrise is at 6:13 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 6:15 pm CST.

Sunshine

The average sunshine in September is 8.5h.

UV index

The months with the lowest UV index are January through March, May, June, August through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a regular UV index of 6 translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

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

Frequently asked questions

September is the coldest month of the year, registering average temperatures as high as 26.9°C (80.4°F) and as low as 22.5°C (72.5°F).

The average high-temperature and low-temperature during September are 26.9°C (80.4°F) and 22.5°C (72.5°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 32°C (89.6°F).

September is the most humid month in Miahuatlan, Mexico, with an average relative humidity of 80%.

The average relative humidity in September in Miahuatlan, Mexico, is 80%.

The month with the most rainfall is September, when the rain falls for 29.3 days and typically aggregates up to 254mm (10") of precipitation.

In Miahuatlan, in September, it is raining for 29.3 days, with typically 254mm (10") of accumulated precipitation.

The average day length in September in Miahuatlan, Mexico, is 12h and 13min.

On the first day of September in Miahuatlan, Mexico, sunrise is at 6:13 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 6:15 pm CST.

In Miahuatlan, the average sunshine duration in September is 8.5h.

The months with the lowest UV index in Miahuatlan, Mexico, are January through March, May, June, August through December, with an average maximum UV index of 6.

In Miahuatlan, Mexico, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

28.2°C

26.9°C

27.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.6km/h

8.2km/h

8.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

0.1

3.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Miahuatlan, Mexico

Average high temperature in September: 26.9°C

The warmest month (with the highest average high temperature) is April (29.6°C).
The month with the lowest average high temperature is September (26.9°C).

Average low temperature in September: 22.5°C

The month with the highest average low temperature is May (23.8°C).
The coldest month (with the lowest average low temperature) is January (20.4°C).

Average pressure in September
Miahuatlan, Mexico

Average pressure in September: 1011.5mbar

The month with the highest atmospheric pressure is January (1014.3mbar).
The month with the lowest atmospheric pressure is May (1011.3mbar).

Average wind speed in September
Miahuatlan, Mexico

Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is April (9.3km/h).
The calmest month (with the lowest average wind speed) is October (7.3km/h).

Average humidity in September
Miahuatlan, Mexico

Average humidity in September: 80%

The month with the highest relative humidity is September (80%).
The months with the lowest relative humidity are January and March (64%).

Average rainfall in September
Miahuatlan, Mexico

Average rainfall in September: 254mm

The wettest month (with the highest rainfall) is September (254mm).
The driest month (with the least rainfall) is January (4mm).

Average rainfall days in September
Miahuatlan, Mexico

Average rainfall days in September: 29.3 days

The month with the highest number of rainy days is August (30.3 days).
The month with the least rainy days is February (3.4 days).

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

Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

Average sunshine in September: 8h and 30min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).

Average sunshine days in September
Miahuatlan, Mexico

Average sunshine days in September: 0.1 days

The month with the most sunshine days is January (24.8 days).
The months with the least sunshine days are August and September (0.1 days).

Average UV index in September
Miahuatlan, Mexico

Average UV index in September: 6

The months with the highest UV index are April and July (UV index 7).
The months with the lowest UV index are January, February, March, May, June, August, September, October, November and December (UV index 6).

Average cloud cover in September
Miahuatlan, Mexico

Average cloud cover in September: 38

The months with the most cloud cover are June and September (Cloud cover 38).
The month with the least cloud cover is February (Cloud cover 8).

Average visibility in September
Miahuatlan, Mexico

Average visibility in September: 9km

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