September weather forecastReal del Castillo, Mexico
September
Weather in September
The first month of the autumn, September, is still a warm month in Real del Castillo, Mexico, with an average temperature fluctuating between 18.8°C (65.8°F) and 26.1°C (79°F).Temperature
As August transitions into September, Real del Castillo records an average high-temperature of a still moderately hot 26.1°C (79°F), showing a gentle shift from the preceding month. Real del Castillo observes an average low-temperature of 18.8°C (65.8°F) during September nights.Humidity
In Real del Castillo, Mexico, the average relative humidity in September is 62%.Rainfall
In Real del Castillo, in September, during 4.4 rainfall days, 10mm (0.39") of precipitation is typically accumulated. In Real del Castillo, during the entire year, the rain falls for 59.9 days and collects up to 212mm (8.35") of precipitation.Daylight
In September, the average length of the day is 12h and 21min.On the first day of September, sunrise is at 6:21 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:31 pm PDT.
Sunshine
In Real del Castillo, the average sunshine in September is 10.4h.UV index
June through 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 vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Real del Castillo, Mexico
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is December (17.1°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is August (19.6°C).
The coldest month (with the lowest average low temperature) is February (10.1°C).
Average pressure in September
Real del Castillo, Mexico
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is January (1018.6mbar).
The months with the lowest atmospheric pressure are June and September (1011.5mbar).
Average wind speed in September
Real del Castillo, Mexico
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is April (10.4km/h).
The calmest month (with the lowest average wind speed) is October (8.4km/h).
Average humidity in September
Real del Castillo, Mexico
- Average humidity in September: 62%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is November (55%).
Average rainfall in September
Real del Castillo, Mexico
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is February (42mm).
The driest month (with the least rainfall) is June (3mm).
Average rainfall days in September
Real del Castillo, Mexico
- Average rainfall days in September: 4.4 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.8 days).
Average daylight in September /
Average sunshine in September
Real del Castillo, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 10h and 24min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Real del Castillo, Mexico
- Average sunshine days in September: 24.1 days
The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is February (20.3 days).
Average UV index in September
Real del Castillo, Mexico
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Real del Castillo, Mexico
- Average cloud cover in September: 9
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Real del Castillo, Mexico
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





