September weather forecastCalvillo, Mexico
September
Weather in September
September, the first month of the autumn in Calvillo, is still a warm month, with an average temperature ranging between min 12.7°C (54.9°F) and max 24°C (75.2°F).Temperature
The advent of September reveals an average high-temperature of a still warm 24°C (75.2°F), showing minimal difference from the prior month. An average nighttime temperature of 12.7°C (54.9°F) is recorded during September.Humidity
September is the most humid month, with an average relative humidity of 72%.Rainfall
In Calvillo, during September, the rain falls for 18.8 days and regularly aggregates up to 62mm (2.44") of precipitation. In Calvillo, during the entire year, the rain falls for 109.6 days and collects up to 410mm (16.14") of precipitation.Daylight
The average length of the day in September in Calvillo is 12h and 16min.On the first day of September in Calvillo, sunrise is at 6:34 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:39 pm CST.
Sunshine
In September, the average sunshine is 9.5h.UV index
The average daily maximum UV index in September in Calvillo is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Calvillo, Mexico
- Average high temperature in September: 24°C
The warmest month (with the highest average high temperature) is May (28.7°C).
The month with the lowest average high temperature is January (20.2°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is June (15.8°C).
The coldest month (with the lowest average low temperature) is January (7°C).
Average pressure in September
Calvillo, Mexico
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1013.4mbar).
Average wind speed in September
Calvillo, Mexico
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is April (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.8km/h).
Average humidity in September
Calvillo, Mexico
- Average humidity in September: 72%
The month with the highest relative humidity is September (72%).
The month with the lowest relative humidity is April (29%).
Average rainfall in September
Calvillo, Mexico
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is July (98mm).
The driest months (with the least rainfall) are March and April (5mm).
Average rainfall days in September
Calvillo, Mexico
- Average rainfall days in September: 18.8 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (2.9 days).
Average daylight in September /
Average sunshine in September
Calvillo, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 30min
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 18min).
Average sunshine days in September
Calvillo, Mexico
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is December (27.2 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Calvillo, Mexico
- Average UV index in September: 5
The months with the highest UV index are April, May and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in September
Calvillo, Mexico
- Average cloud cover in September: 30
The month with the most cloud cover is September (Cloud cover 30).
The months with the least cloud cover are March and April (Cloud cover 11).
Average visibility in September
Calvillo, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
