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 onset of September notes an average high-temperature of a still pleasant 20.8°C (69.4°F), subtly shifted from August's 22°C (71.6°F). An average low-temperature of 11°C (51.8°F) is anticipated throughout the nights in San Nicolás Totolapan during September.Humidity
With an average relative humidity of 77%, September is the most humid month in San Nicolás Totolapan, Mexico.Rainfall
In San Nicolás Totolapan, Mexico, during September, the rain falls for 25.7 days and regularly aggregates up to 116mm (4.57") of precipitation. Throughout the year, there are 176.8 rainfall days, and 781mm (30.75") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 14min.On the first day of September in San Nicolás Totolapan, Mexico, sunrise is at 6:21 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:25 pm CST.
Sunshine
In September, the average sunshine is 9.1h.UV index
The months with the lowest UV index are January, June, August through December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in San Nicolás Totolapan?
What is the most humid month in San Nicolás Totolapan?
What is the average humidity in September in San Nicolás Totolapan?
How much does it rain in San Nicolás Totolapan in September?
What is the average length of the day in September in San Nicolás Totolapan?
When are sunrise and sunset in September in San Nicolás Totolapan?
How long on average sun shines in September in San Nicolás Totolapan?
What is the month with the lowest UV index in San Nicolás Totolapan?
What is the UV index reading in September in San Nicolás Totolapan?
Average temperature in September
San Nicolás Totolapan, Mexico
- Average high temperature in September: 20.8°C
The warmest months (with the highest average high temperature) are April and May (25.4°C).
The month with the lowest average high temperature is January (19.2°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is May (13.7°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure in September
San Nicolás Totolapan, Mexico
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).
Average wind speed in September
San Nicolás Totolapan, Mexico
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is March (7.4km/h).
The calmest month (with the lowest average wind speed) is July (5.4km/h).
Average humidity in September
San Nicolás Totolapan, Mexico
- Average humidity in September: 77%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (41%).
Average rainfall in September
San Nicolás Totolapan, Mexico
- Average rainfall in September: 116mm
The wettest month (with the highest rainfall) is July (181mm).
The driest month (with the least rainfall) is December (4mm).
Average rainfall days in September
San Nicolás Totolapan, Mexico
- Average rainfall days in September: 25.7 days
The month with the highest number of rainy days is July (28.8 days).
The month with the least rainy days is December (3.9 days).
Average daylight in September /
Average sunshine in September
San Nicolás Totolapan, 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: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).
Average sunshine days in September
San Nicolás Totolapan, Mexico
- Average sunshine days in September: 2.5 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in September
San Nicolás Totolapan, 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 Nicolás Totolapan, Mexico
- Average cloud cover in September: 37
The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is December (Cloud cover 10).
Average visibility in September
San Nicolás Totolapan, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are July, August and September (8km).
