September weather forecastXonacatlán, Mexico
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Xonacatlán, Mexico, with an average temperature ranging between min 9.2°C (48.6°F) and max 18°C (64.4°F).Temperature
In September, Xonacatlán experiences a minor shift in meteorological conditions with average high-temperatures marked at a still refreshing 18°C (64.4°F), closely mirroring the climate in August. Throughout September, the temperature tends to fall to a consistent average low of 9.2°C (48.6°F).Humidity
September is the most humid month, with an average relative humidity of 86%.Rainfall
In September, the rain falls for 27.3 days. Throughout September, 185mm (7.28") of precipitation is accumulated. In Xonacatlán, during the entire year, the rain falls for 186.8 days and collects up to 1156mm (45.51") of precipitation.Snowfall
January, April through December are months without snowfall.Daylight
The average length of the day in September is 12h and 14min.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.
Sunshine
The average sunshine in September is 8.2h.UV index
The months with the lowest UV index are June, August and September, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 3 transforms into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Xonacatlán, Mexico
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is April (22.6°C).
The month with the lowest average high temperature is January (16.8°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is May (10.2°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).
Average pressure in September
Xonacatlán, Mexico
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is January (1017.9mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).
Average wind speed in September
Xonacatlán, Mexico
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is March (7.1km/h).
The calmest month (with the lowest average wind speed) is July (4.6km/h).
Average humidity in September
Xonacatlán, Mexico
- Average humidity in September: 86%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (47%).
Average rainfall in September
Xonacatlán, Mexico
- Average rainfall in September: 185mm
The wettest month (with the highest rainfall) is July (275mm).
The driest month (with the least rainfall) is December (7mm).
Average rainfall days in September
Xonacatlán, Mexico
- Average rainfall days in September: 27.3 days
The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is December (4.7 days).
Average snowfall days in September
Xonacatlán, Mexico
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and March (0.1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Xonacatlán, Mexico
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is March (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 8h and 0min).
Average sunshine days in September
Xonacatlán, Mexico
- Average sunshine days in September: 1.7 days
The month with the most sunshine days is December (24.5 days).
The months with the least sunshine days are July and August (0.3 days).
Average UV index in September
Xonacatlán, Mexico
- Average UV index in September: 3
The months with the highest UV index are March and April (UV index 5).
The months with the lowest UV index are June, August and September (UV index 3).
Average cloud cover in September
Xonacatlán, Mexico
- Average cloud cover in September: 49
The month with the most cloud cover is September (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 12).
Average visibility in September
Xonacatlán, Mexico
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are July, August and September (7km).





