September weather forecastSan Nicolás Tecomatlán, Mexico
September
Weather in September
The first month of the autumn, September, is still a comfortable month in San Nicolás Tecomatlán, Mexico, with temperature in the range of an average low of 11.3°C (52.3°F) and an average high of 19°C (66.2°F).Temperature
San Nicolás Tecomatlán, Mexico, registers an average high-temperature of a comfortable 19°C (66.2°F) with the arrival of September, showing minor deviation from the preceding month. San Nicolás Tecomatlán observes an average low-temperature of 11.3°C (52.3°F) during September.Humidity
With an average relative humidity of 86%, September is the most humid month.Rainfall
In San Nicolás Tecomatlán, in September, during 27 rainfall days, 121mm (4.76") of precipitation is typically accumulated. Throughout the year, there are 227.6 rainfall days, and 831mm (32.72") of precipitation is accumulated.Snowfall
February through October and December are months without snowfall.Daylight
In San Nicolás Tecomatlán, the average length of the day in September is 12h and 15min.On the first day of September, sunrise is at 6:20 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 6:24 pm CST.
Sunshine
In September, the average sunshine is 7.5h.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 health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Nicolás Tecomatlán, Mexico
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is April (23.9°C).
The month with the lowest average high temperature is January (17.3°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is May (12.3°C).
The coldest month (with the lowest average low temperature) is January (6.1°C).
Average pressure in September
San Nicolás Tecomatlán, Mexico
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is January (1019mbar).
The month with the lowest atmospheric pressure is May (1013.9mbar).
Average wind speed in September
San Nicolás Tecomatlán, Mexico
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is March (8.9km/h).
The calmest month (with the lowest average wind speed) is December (7.3km/h).
Average humidity in September
San Nicolás Tecomatlán, 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 (56%).
Average rainfall in September
San Nicolás Tecomatlán, Mexico
- Average rainfall in September: 121mm
The wettest month (with the highest rainfall) is July (134mm).
The driest month (with the least rainfall) is December (11mm).
Average rainfall days in September
San Nicolás Tecomatlán, Mexico
- Average rainfall days in September: 27 days
The month with the highest number of rainy days is September (27 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in September
San Nicolás Tecomatlán, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is November (13mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
San Nicolás Tecomatlán, Mexico
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
San Nicolás Tecomatlán, 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: 10h and 54min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is May (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in September
San Nicolás Tecomatlán, Mexico
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is September (2.2 days).
Average UV index in September
San Nicolás Tecomatlán, 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 Tecomatlán, Mexico
- Average cloud cover in September: 62
The month with the most cloud cover is September (Cloud cover 62).
The months with the least cloud cover are February, March and April (Cloud cover 21).
Average visibility in September
San Nicolás Tecomatlán, Mexico
- Average visibility in September: 7km
The months with the highest visibility are February, March and April (10km).
The months with the lowest visibility are July, August, September and October (7km).





