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 snowfall 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
Weather in September
Temperature
The transition into September in San Luis Potosi, Mexico, marks the average high-temperature at a pleasant 22.7°C (72.9°F), differing minimally from August's 24.5°C (76.1°F). In September, the recorded average low-temperature in San Luis Potosi is a refreshing 13.9°C (57°F).Humidity
The most humid month in San Luis Potosi is September, with an average relative humidity of 74%.Rainfall
In San Luis Potosi, during September, the rain falls for 16.3 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 136.8 rainfall days, and 442mm (17.4") of precipitation is accumulated.Snowfall
In San Luis Potosi, snow does not fall in February through October.Daylight
In San Luis Potosi, the average length of the day in September is 12h and 16min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:00 pm. On the last day of September, sunrise is at 6:35 am and sunset at 6:32 pm CST.
Sunshine
In September, the average sunshine is 9.2h.UV index
The months with the highest UV index in San Luis Potosi are February through October, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Be vigilant - Preventing sunburn is recommended. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the temperature in September in San Luis Potosi?
What is the most humid month in San Luis Potosi?
What is the average humidity in September in San Luis Potosi?
How many days does it rain in September in San Luis Potosi?
When it does not snow in San Luis Potosi?
What is the average length of the day in September in San Luis Potosi?
When is the sunrise / sunset in September in San Luis Potosi?
How long on average sun shines in September in San Luis Potosi?
When is the highest UV index in San Luis Potosi?
How high is the UV index in September in San Luis Potosi?
Average temperature in September
San Luis Potosi, Mexico
- Average high temperature in September: 22.7°C
The warmest month (with the highest average high temperature) is May (26.7°C).
The month with the lowest average high temperature is January (18.7°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is May (14.9°C).
The coldest month (with the lowest average low temperature) is January (7°C).
Average pressure in September
San Luis Potosi, Mexico
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is January (1018.9mbar).
The month with the lowest atmospheric pressure is May (1013.6mbar).
Average wind speed in September
San Luis Potosi, Mexico
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is April (12.5km/h).
The calmest month (with the lowest average wind speed) is November (9km/h).
Average humidity in September
San Luis Potosi, Mexico
- Average humidity in September: 74%
The month with the highest relative humidity is September (74%).
The month with the lowest relative humidity is April (44%).
Average rainfall in September
San Luis Potosi, Mexico
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is May (81mm).
The driest month (with the least rainfall) is December (10mm).
Average rainfall days in September
San Luis Potosi, Mexico
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is December (5.8 days).
Average snowfall days in September
San Luis Potosi, Mexico
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January, November and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
San Luis Potosi, Mexico
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are March, May, June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 8h and 18min).
Average sunshine days in September
San Luis Potosi, Mexico
- Average sunshine days in September: 8.6 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is September (8.6 days).
Average UV index in September
San Luis Potosi, Mexico
- Average UV index in September: 5
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in September
San Luis Potosi, 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 February (Cloud cover 18).
Average visibility in September
San Luis Potosi, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June and December (10km).
The months with the lowest visibility are July, August, September, October and November (9km).
San Luis Potosi, Mexico
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