September weather forecastEl Castillo, Mexico
September
Weather in September
The first month of the autumn, September, is still a pleasant month in El Castillo, Mexico, with an average temperature fluctuating between 22.4°C (72.3°F) and 14.9°C (58.8°F).Temperature
In September, El Castillo experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 23.5°C (74.3°F) in August to a pleasant 22.4°C (72.3°F). During September, El Castillo records an average temperature of 14.9°C (58.8°F) at night.Humidity
The most humid month is September, with an average relative humidity of 85%.Rainfall
In El Castillo, in September, during 25.1 rainfall days, 154mm (6.06") of precipitation is typically accumulated. In El Castillo, during the entire year, the rain falls for 247.2 days and collects up to 1266mm (49.84") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of September, sunrise is at 6:12 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 6:16 pm CST.
Sunshine
In September, the average sunshine in El Castillo is 7.4h.UV index
March through October, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 in September translates into these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
El Castillo, Mexico
- Average high temperature in September: 22.4°C
The warmest months (with the highest average high temperature) are April and May (24.8°C).
The month with the lowest average high temperature is January (18.1°C).
- Average low temperature in September: 14.9°C
The month with the highest average low temperature is May (16°C).
The coldest month (with the lowest average low temperature) is January (9.9°C).
Average pressure in September
El Castillo, Mexico
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is January (1019.1mbar).
The month with the lowest atmospheric pressure is May (1013.1mbar).
Average wind speed in September
El Castillo, Mexico
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is April (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).
Average humidity in September
El Castillo, Mexico
- Average humidity in September: 85%
The month with the highest relative humidity is September (85%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
El Castillo, Mexico
- Average rainfall in September: 154mm
The wettest month (with the highest rainfall) is June (199mm).
The driest month (with the least rainfall) is December (18mm).
Average rainfall days in September
El Castillo, Mexico
- Average rainfall days in September: 25.1 days
The month with the highest number of rainy days is June (26.8 days).
The month with the least rainy days is December (13.8 days).
Average daylight in September /
Average sunshine in September
El 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: 7h and 24min
The month with the most sunshine is May (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in September
El Castillo, Mexico
- Average sunshine days in September: 2.9 days
The month with the most sunshine days is December (13.2 days).
The month with the least sunshine days is June (1.5 days).
Average UV index in September
El Castillo, Mexico
- Average UV index in September: 5
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in September
El Castillo, Mexico
- Average cloud cover in September: 47
The month with the most cloud cover is September (Cloud cover 47).
The month with the least cloud cover is April (Cloud cover 28).
Average visibility in September
El Castillo, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July and August (9km).
The months with the lowest visibility are September, October, November and December (8km).
