September weather forecastYachihuacaltepec, Mexico
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Yachihuacaltepec, Mexico, with an average temperature varying between 17.9°C (64.2°F) and 9.5°C (49.1°F).Temperature
With the onset of September, Yachihuacaltepec's average high-temperature clocks in at a still refreshing 17.9°C (64.2°F), showing a minor fluctuation from the previous month. September nights in Yachihuacaltepec observe an average temperature dip to a chilly 9.5°C (49.1°F).Humidity
With an average relative humidity of 86%, September is the most humid month.Rainfall
In Yachihuacaltepec, Mexico, in September, during 28.2 rainfall days, 221mm (8.7") of precipitation is typically accumulated. In Yachihuacaltepec, during the entire year, the rain falls for 216.4 days and collects up to 1402mm (55.2") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of the month, sunrise is at 6:23 am and sunset at 6:53 pm. On the last day of September, in Yachihuacaltepec, sunrise is at 6:29 am and sunset at 6:27 pm CST.
Sunshine
The average sunshine in September in Yachihuacaltepec is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yachihuacaltepec, Mexico
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is April (22.5°C).
The month with the lowest average high temperature is January (17.1°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is May (10.8°C).
The coldest month (with the lowest average low temperature) is January (4.7°C).
Average pressure in September
Yachihuacaltepec, Mexico
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.7mbar).
Average wind speed in September
Yachihuacaltepec, Mexico
- Average wind speed in September: 5.1km/h
The windiest months (with the highest average wind speed) are March and April (6.8km/h).
The calmest month (with the lowest average wind speed) is July (4.4km/h).
Average humidity in September
Yachihuacaltepec, 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
Yachihuacaltepec, Mexico
- Average rainfall in September: 221mm
The wettest month (with the highest rainfall) is July (291mm).
The driest month (with the least rainfall) is December (11mm).
Average rainfall days in September
Yachihuacaltepec, Mexico
- Average rainfall days in September: 28.2 days
The month with the highest number of rainy days is July (30.4 days).
The month with the least rainy days is January (6.5 days).
Average daylight in September /
Average sunshine in September
Yachihuacaltepec, 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 42min).
The month with the least sunshine is November (Average sunshine: 8h and 6min).
Average sunshine days in September
Yachihuacaltepec, Mexico
- Average sunshine days in September: 0.9 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (0.2 days).
Average UV index in September
Yachihuacaltepec, Mexico
- Average UV index in September: 4
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 October (UV index 3).
Average cloud cover in September
Yachihuacaltepec, Mexico
- Average cloud cover in September: 47
The months with the most cloud cover are July and September (Cloud cover 47).
The months with the least cloud cover are February, March and December (Cloud cover 13).
Average visibility in September
Yachihuacaltepec, 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 August and September (7km).
