September weather forecastTotolapan, Mexico
September
Weather in September
September, the first month of the autumn in Totolapan, is also a moderately hot month, with an average temperature varying between 13.5°C (56.3°F) and 23.4°C (74.1°F).Temperature
Totolapan experiences a subtle adjustment in high-temperatures to a still warm 23.4°C (74.1°F) with the onset of September, maintaining near parity with August's 24.9°C (76.8°F). During September, Totolapan records a consistent average nighttime temperature of 13.5°C (56.3°F).Humidity
September is the most humid month, with an average relative humidity of 82%.Rainfall
In September, the rain falls for 28.5 days. Throughout September, 234mm (9.21") of precipitation is accumulated. In Totolapan, during the entire year, the rain falls for 192.9 days and collects up to 1226mm (48.27") of precipitation.Daylight
In Totolapan, the average length of the day in September 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 Totolapan, sunrise is at 6:26 am and sunset at 6:24 pm CST.
Sunshine
The average sunshine in September is 9h.UV index
The months with the lowest UV index in Totolapan are January, February, June through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Guard yourself - Avoiding sunburn is suggested. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Totolapan, 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
Totolapan, 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
Totolapan, 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
Totolapan, 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
Totolapan, 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
Totolapan, 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
Totolapan, 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: 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
Totolapan, 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
Totolapan, 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
Totolapan, 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
Totolapan, 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).





