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
San Martín Itunyoso records an average high-temperature of a pleasant 22.3°C (72.1°F) in September, maintaining a close correlation with August's 23.7°C (74.7°F). San Martín Itunyoso records an average nighttime low of 13.2°C (55.8°F) in September.Humidity
The most humid month is September, with an average relative humidity of 81%.Rainfall
In San Martín Itunyoso, during September, the rain falls for 26.6 days and regularly aggregates up to 145mm (5.71") of precipitation. Throughout the year, there are 185.5 rainfall days, and 866mm (34.09") of precipitation is accumulated.Daylight
In San Martín Itunyoso, the average length of the day in September is 12h and 14min.On the first day of September in San Martín Itunyoso, sunrise is at 6:17 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:20 pm CST.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does San Martín Itunyoso have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
San Martín Itunyoso, Mexico
- Average high temperature in September: 22.3°C
The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is January (21.1°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is May (14.5°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).
Average pressure in September
San Martín Itunyoso, Mexico
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).
Average wind speed in September
San Martín Itunyoso, Mexico
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest months (with the lowest average wind speed) are June and September (6.7km/h).
Average humidity in September
San Martín Itunyoso, Mexico
- Average humidity in September: 81%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (56%).
Average rainfall in September
San Martín Itunyoso, Mexico
- Average rainfall in September: 145mm
The wettest month (with the highest rainfall) is June (164mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
San Martín Itunyoso, Mexico
- Average rainfall days in September: 26.6 days
The month with the highest number of rainy days is September (26.6 days).
The month with the least rainy days is December (4.5 days).
Average daylight in September /
Average sunshine in September
San Martín Itunyoso, Mexico
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).
Average sunshine days in September
San Martín Itunyoso, Mexico
- Average sunshine days in September: 2 days
The month with the most sunshine days is December (22.2 days).
The months with the least sunshine days are August and September (2 days).
Average UV index in September
San Martín Itunyoso, Mexico
- Average UV index in September: 5
The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, June, October, November and December (UV index 4).
Average cloud cover in September
San Martín Itunyoso, Mexico
- Average cloud cover in September: 42
The month with the most cloud cover is September (Cloud cover 42).
The months with the least cloud cover are February, March and April (Cloud cover 15).
Average visibility in September
San Martín Itunyoso, 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).
