September weather forecastCasimiro Castillo, Mexico
September
Weather in September
September, the first month of the autumn in Casimiro Castillo, is still a warm month, with temperature in the range of an average low of 17.1°C (62.8°F) and an average high of 26.3°C (79.3°F).Temperature
During September, Casimiro Castillo records an average high-temperature of a still warm 26.3°C (79.3°F), marking a slight divergence from August's 27°C (80.6°F). Throughout the month of September, Casimiro Castillo observes an average nighttime temperature of 17.1°C (62.8°F).Humidity
September is the most humid month in Casimiro Castillo, with an average relative humidity of 88%.Rainfall
In September, the rain falls for 26.3 days. Throughout September, 202mm (7.95") of precipitation is accumulated. In Casimiro Castillo, during the entire year, the rain falls for 165.7 days and collects up to 1050mm (41.34") of precipitation.Daylight
In Casimiro Castillo, Mexico, the average length of the day in September is 12h and 14min.On the first day of September, sunrise is at 6:42 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:45 pm CST.
Sunshine
With an average of 8h of sunshine, September has the least sunshine of the year.UV index
February through July and September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: An average UV index of 6 in September transforms into this advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Casimiro Castillo, Mexico
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is May (31.7°C).
The month with the lowest average high temperature is December (25.6°C).
- Average low temperature in September: 17.1°C
The month with the highest average low temperature is June (18.5°C).
The coldest month (with the lowest average low temperature) is January (12.1°C).
Average pressure in September
Casimiro Castillo, Mexico
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is January (1014.8mbar).
The month with the lowest atmospheric pressure is June (1011.5mbar).
Average wind speed in September
Casimiro Castillo, Mexico
- Average wind speed in September: 4.5km/h
The windiest month (with the highest average wind speed) is April (6.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).
Average humidity in September
Casimiro Castillo, Mexico
- Average humidity in September: 88%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (46%).
Average rainfall in September
Casimiro Castillo, Mexico
- Average rainfall in September: 202mm
The wettest month (with the highest rainfall) is August (250mm).
The driest month (with the least rainfall) is April (2mm).
Average rainfall days in September
Casimiro Castillo, Mexico
- Average rainfall days in September: 26.3 days
The month with the highest number of rainy days is August (29.6 days).
The month with the least rainy days is April (1.6 days).
Average daylight in September /
Average sunshine in September
Casimiro Castillo, 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: 11h and 0min).
- Average sunshine in September: 8h and 0min
The months with the most sunshine are March, April and May (Average sunshine: 9h and 48min).
The month with the least sunshine is September (Average sunshine: 8h and 0min).
Average sunshine days in September
Casimiro Castillo, Mexico
- Average sunshine days in September: 3.4 days
The month with the most sunshine days is April (28.1 days).
The month with the least sunshine days is August (0.9 days).
Average UV index in September
Casimiro Castillo, Mexico
- Average UV index in September: 6
The months with the highest UV index are February, March, April, May, June, July and September (UV index 6).
The months with the lowest UV index are January, August, October, November and December (UV index 5).
Average cloud cover in September
Casimiro Castillo, Mexico
- Average cloud cover in September: 57
The month with the most cloud cover is September (Cloud cover 57).
The month with the least cloud cover is April (Cloud cover 9).
Average visibility in September
Casimiro Castillo, Mexico
- Average visibility in September: 6km
The months with the highest visibility are March, April and May (10km).
The month with the lowest visibility is September (6km).
