Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The dawn of September sees an average high-temperature of a still agreeable 20.2°C (68.4°F), subtly contrasting with August's 21.3°C (70.3°F). Throughout September, San Francisco Totimehuacan anticipates an average low-temperature of 11.1°C (52°F).Humidity
September is the most humid month, with an average relative humidity of 82%.Rainfall
In San Francisco Totimehuacan, during September, the rain falls for 26.8 days and regularly aggregates up to 173mm (6.81") of precipitation. In San Francisco Totimehuacan, during the entire year, the rain falls for 210.9 days and collects up to 1187mm (46.73") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of September, sunrise is at 6:17 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 6:21 pm CST.
Sunshine
In September, the average sunshine is 8.7h.UV index
January, June, August through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in San Francisco Totimehuacan in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What are the months with the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
San Francisco Totimehuacan, Mexico
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is April (24.3°C).
The month with the lowest average high temperature is January (19°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is May (13.2°C).
The coldest month (with the lowest average low temperature) is January (7.1°C).
Average pressure in September
San Francisco Totimehuacan, Mexico
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is January (1018.7mbar).
The month with the lowest atmospheric pressure is May (1014.3mbar).
Average wind speed in September
San Francisco Totimehuacan, Mexico
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest months (with the lowest average wind speed) are June, July and September (7.2km/h).
Average humidity in September
San Francisco Totimehuacan, 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 (50%).
Average rainfall in September
San Francisco Totimehuacan, Mexico
- Average rainfall in September: 173mm
The wettest month (with the highest rainfall) is July (202mm).
The driest month (with the least rainfall) is December (6mm).
Average rainfall days in September
San Francisco Totimehuacan, Mexico
- Average rainfall days in September: 26.8 days
The month with the highest number of rainy days is August (29.2 days).
The month with the least rainy days is December (4.5 days).
Average daylight in September /
Average sunshine in September
San Francisco Totimehuacan, Mexico
- Average daylight in September: 12h and 1min
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 4min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).
Average sunshine days in September
San Francisco Totimehuacan, Mexico
- Average sunshine days in September: 2.6 days
The month with the most sunshine days is December (23.8 days).
The month with the least sunshine days is July (0.8 days).
Average UV index in September
San Francisco Totimehuacan, Mexico
- Average UV index in September: 4
The months with the highest UV index are February, March, April, May and July (UV index 5).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 4).
Average cloud cover in September
San Francisco Totimehuacan, Mexico
- Average cloud cover in September: 42
The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is December (Cloud cover 11).
Average visibility in September
San Francisco Totimehuacan, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).
