September weather forecastZahuatlan, Mexico
September
Weather in September
September, the first month of the autumn in Zahuatlan, is still a warm month, with an average temperature fluctuating between 13.5°C (56.3°F) and 23.4°C (74.1°F).Temperature
As August turns into September, the average high-temperatures rest at a still moderately hot 23.4°C (74.1°F), showing a minor variation from the prior month. During the nights in September, the temperature in Zahuatlan, Mexico, averages to a mild 13.5°C (56.3°F).Humidity
The most humid month is September, with an average relative humidity of 82%.Rainfall
In Zahuatlan, during September, the rain falls for 28.5 days and regularly aggregates up to 234mm (9.21") of precipitation. Throughout the year, there are 192.9 rainfall days, and 1226mm (48.27") of precipitation is accumulated.Daylight
In September, the average length of the day in Zahuatlan is 12h and 14min.On the first day of the month, sunrise is at 6:20 am and sunset at 6:49 pm. On the last day of September, in Zahuatlan, sunrise is at 6:25 am and sunset at 6:24 pm CST.
Sunshine
In September, the average sunshine is 9h.UV index
The months with the lowest UV index in Zahuatlan are January, February, June through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Zahuatlan, Mexico
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is April (29.4°C).
The month with the lowest average high temperature is January (23.1°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is May (16.6°C).
The coldest month (with the lowest average low temperature) is January (10°C).
Average pressure in September
Zahuatlan, Mexico
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1014mbar).
Average wind speed in September
Zahuatlan, Mexico
- Average wind speed in September: 4.9km/h
The windiest month (with the highest average wind speed) is April (6.5km/h).
The calmest months (with the lowest average wind speed) are July, August and September (4.9km/h).
Average humidity in September
Zahuatlan, Mexico
- Average humidity in September: 82%
The month with the highest relative humidity is September (82%).
The month with the lowest relative humidity is April (40%).
Average rainfall in September
Zahuatlan, Mexico
- Average rainfall in September: 234mm
The wettest month (with the highest rainfall) is July (237mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
Zahuatlan, Mexico
- Average rainfall days in September: 28.5 days
The month with the highest number of rainy days is August (30.4 days).
The month with the least rainy days is December (2.6 days).
Average daylight in September /
Average sunshine in September
Zahuatlan, Mexico
- Average daylight in September: 12h and 12min
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 month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 7h and 54min).
Average sunshine days in September
Zahuatlan, Mexico
- Average sunshine days in September: 1.2 days
The month with the most sunshine days is December (26.4 days).
The month with the least sunshine days is August (0.2 days).
Average UV index in September
Zahuatlan, Mexico
- Average UV index in September: 5
The months with the highest UV index are March, April and May (UV index 6).
The months with the lowest UV index are January, February, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Zahuatlan, Mexico
- Average cloud cover in September: 38
The month with the most cloud cover is September (Cloud cover 38).
The month with the least cloud cover is December (Cloud cover 9).
Average visibility in September
Zahuatlan, 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).
