September weather forecastValladolid, Mexico
September
Weather in September
The first month of the autumn, September, is also a hot month in Valladolid, Mexico, with temperature in the range of an average high of 33.2°C (91.8°F) and an average low of 22.5°C (72.5°F).Temperature
The commencement of September brings an average high-temperature of a still hot 33.2°C (91.8°F), marking an inconsequential divergence from August. During September, the nighttime temperature averages to a pleasant 22.5°C (72.5°F).Heat index
September's heat index is computed to be a burning hot 50°C (122°F). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
The months with the highest humidity in Valladolid are September and October, with an average relative humidity of 82%.Rainfall
In September, in Valladolid, the rain falls for 23.8 days. Throughout September, 67mm (2.64") of precipitation is accumulated. In Valladolid, Mexico, during the entire year, the rain falls for 195.8 days and collects up to 599mm (23.58") of precipitation.Daylight
In September, the average length of the day is 12h and 15min.On the first day of September, sunrise is at 5:36 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 5:41 pm CST.
Sunshine
In September, the average sunshine in Valladolid, Mexico, is 7.9h.UV index
The months with the highest UV index are March through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Valladolid, Mexico
- Average high temperature in September: 33.2°C
The warmest month (with the highest average high temperature) is May (34.8°C).
The month with the lowest average high temperature is January (28.2°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is June (23.3°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).
Average pressure in September
Valladolid, Mexico
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is September (1012.1mbar).
Average wind speed in September
Valladolid, Mexico
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is April (12.6km/h).
The calmest month (with the lowest average wind speed) is September (7.9km/h).
Average humidity in September
Valladolid, Mexico
- Average humidity in September: 82%
The months with the highest relative humidity are September and October (82%).
The months with the lowest relative humidity are March and April (68%).
Average rainfall in September
Valladolid, Mexico
- Average rainfall in September: 67mm
The wettest month (with the highest rainfall) is June (116mm).
The driest month (with the least rainfall) is March (18mm).
Average rainfall days in September
Valladolid, Mexico
- Average rainfall days in September: 23.8 days
The month with the highest number of rainy days is September (23.8 days).
The months with the least rainy days are February and March (9.3 days).
Average daylight in September /
Average sunshine in September
Valladolid, 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 54min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is May (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Valladolid, Mexico
- Average sunshine days in September: 3.5 days
The month with the most sunshine days is March (19.2 days).
The month with the least sunshine days is September (3.5 days).
Average UV index in September
Valladolid, Mexico
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover in September
Valladolid, Mexico
- Average cloud cover in September: 49
The month with the most cloud cover is September (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 32).
Average visibility in September
Valladolid, Mexico
- Average visibility in September: 6km
The months with the highest visibility are March and April (9km).
The month with the lowest visibility is September (6km).





