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 dawn of September sees an average high-temperature of a still moderately hot 23.3°C (73.9°F), subtly contrasting with August's 25.1°C (77.2°F). Throughout September, the average low-temperature records at a cool 12.7°C (54.9°F).Humidity
With an average relative humidity of 69%, September is the most humid month.Rainfall
In September, the rain falls for 20 days. Throughout September, 79mm (3.11") of precipitation is accumulated. In Cueva Grande, during the entire year, the rain falls for 109.1 days and collects up to 395mm (15.55") of precipitation.Daylight
In September, the average length of the day is 12h and 16min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:41 pm CST.
Sunshine
In September, the average sunshine in Cueva Grande is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Take precautions - Protection against sunburn is recommended. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cueva Grande in September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Cueva Grande, Mexico
- Average high temperature in September: 23.3°C
The warmest month (with the highest average high temperature) is May (27.3°C).
The month with the lowest average high temperature is January (18.8°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is June (15.3°C).
The coldest month (with the lowest average low temperature) is January (5.5°C).
Average pressure in September
Cueva Grande, Mexico
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is January (1018.1mbar).
The month with the lowest atmospheric pressure is May (1013.4mbar).
Average wind speed in September
Cueva Grande, Mexico
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is April (14.2km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity in September
Cueva Grande, Mexico
- Average humidity in September: 69%
The month with the highest relative humidity is September (69%).
The month with the lowest relative humidity is April (31%).
Average rainfall in September
Cueva Grande, Mexico
- Average rainfall in September: 79mm
The wettest month (with the highest rainfall) is July (92mm).
The driest month (with the least rainfall) is April (2mm).
Average rainfall days in September
Cueva Grande, Mexico
- Average rainfall days in September: 20 days
The month with the highest number of rainy days is September (20 days).
The month with the least rainy days is April (2.3 days).
Average daylight in September /
Average sunshine in September
Cueva Grande, 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 3min
The month with the most sunshine is May (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 9h and 6min).
Average sunshine days in September
Cueva Grande, Mexico
- Average sunshine days in September: 6.8 days
The month with the most sunshine days is April (26.9 days).
The month with the least sunshine days is September (6.8 days).
Average UV index in September
Cueva Grande, Mexico
- Average UV index in September: 5
The months with the highest UV index are May and June (UV index 6).
The months with the lowest UV index are January, October, November and December (UV index 4).
Average cloud cover in September
Cueva Grande, Mexico
- Average cloud cover in September: 29
The month with the most cloud cover is September (Cloud cover 29).
The months with the least cloud cover are March and April (Cloud cover 11).
Average visibility in September
Cueva Grande, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, August, October, November and December (10km).
The months with the lowest visibility are July and September (9km).
