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
September
Weather in September
Temperature
The average high-temperature during September registers at a still enjoyable 18.6°C (65.5°F), closely corresponding to the preceding month. The temperature in Libres, Mexico, lowers to an average of 9.2°C (48.6°F) during September nights.Humidity
September is the most humid month, with an average relative humidity of 84%.Rainfall
In September, the rain falls for 27.4 days. Throughout September, 151mm (5.94") of precipitation is accumulated. Throughout the year, there are 205.6 rainfall days, and 874mm (34.41") of precipitation is accumulated.Snowfall
In Libres, snow does not fall in February through October and December.Daylight
The average length of the day in September in Libres is 12h and 14min.On the first day of September in Libres, sunrise is at 6:15 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:19 pm CST.
Sunshine
In September, the average sunshine in Libres is 8h.UV index
January, February, May through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Libres?
What is the most humid month in Libres?
What is the average humidity in September in Libres?
How much does it rain in Libres in September?
When it does not snow in Libres?
How many hours of daylight does Libres have in September?
When are sunrise and sunset in September in Libres?
How many hours of sunshine does Libres have in September?
What are the months with the lowest UV index in Libres?
What is the UV index intensity in September in Libres?
Average temperature in September
Libres, Mexico
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is April (22.8°C).
The month with the lowest average high temperature is January (17.2°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is May (11°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in September
Libres, Mexico
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is January (1019mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in September
Libres, Mexico
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is July (6.7km/h).
Average humidity in September
Libres, Mexico
- Average humidity in September: 84%
The month with the highest relative humidity is September (84%).
The month with the lowest relative humidity is April (53%).
Average rainfall in September
Libres, Mexico
- Average rainfall in September: 151mm
The wettest month (with the highest rainfall) is July (159mm).
The driest month (with the least rainfall) is December (4mm).
Average rainfall days in September
Libres, Mexico
- Average rainfall days in September: 27.4 days
The month with the highest number of rainy days is August (28.8 days).
The month with the least rainy days is December (4.2 days).
Average snowfall days in September
Libres, Mexico
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Libres, 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 0min
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 18min).
Average sunshine days in September
Libres, Mexico
- Average sunshine days in September: 1.6 days
The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is August (1.3 days).
Average UV index in September
Libres, Mexico
- Average UV index in September: 4
The months with the highest UV index are March and April (UV index 5).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 4).
Average cloud cover in September
Libres, Mexico
- Average cloud cover in September: 51
The month with the most cloud cover is September (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in September
Libres, Mexico
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are July, August and September (7km).
