September weather forecastNextlalpan, Mexico
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Nextlalpan, Mexico, with an average temperature varying between 10.6°C (51.1°F) and 20.7°C (69.3°F).Temperature
The beginning of September records an average high-temperature of a still pleasant 20.7°C (69.3°F), marking a negligible difference from August's 21.7°C (71.1°F). Nextlalpan, during the month of September, experiences an average low-temperature of 10.6°C (51.1°F).Humidity
The most humid month is September, with an average relative humidity of 77%.Rainfall
In Nextlalpan, in September, during 23.5 rainfall days, 94mm (3.7") of precipitation is typically accumulated. Throughout the year, there are 163.6 rainfall days, and 643mm (25.31") of precipitation is accumulated.Daylight
In Nextlalpan, the average length of the day in September is 12h and 15min.On the first day of the month, sunrise is at 6:20 am and sunset at 6:51 pm. On the last day of September, in Nextlalpan, sunrise is at 6:26 am and sunset at 6:25 pm CST.
Sunshine
In September, the average sunshine is 9.1h.UV index
The months with the lowest UV index are January, June through December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nextlalpan, Mexico
- Average high temperature in September: 20.7°C
The warmest month (with the highest average high temperature) is May (25.3°C).
The month with the lowest average high temperature is January (18.9°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is May (12.8°C).
The coldest month (with the lowest average low temperature) is January (6.5°C).
Average pressure in September
Nextlalpan, Mexico
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in September
Nextlalpan, Mexico
- Average wind speed in September: 6.8km/h
The windiest months (with the highest average wind speed) are February, March and April (8km/h).
The calmest month (with the lowest average wind speed) is July (6.1km/h).
Average humidity in September
Nextlalpan, Mexico
- Average humidity in September: 77%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (42%).
Average rainfall in September
Nextlalpan, Mexico
- Average rainfall in September: 94mm
The wettest month (with the highest rainfall) is August (125mm).
The driest month (with the least rainfall) is December (4mm).
Average rainfall days in September
Nextlalpan, Mexico
- Average rainfall days in September: 23.5 days
The month with the highest number of rainy days is August (24.4 days).
The month with the least rainy days is December (3.7 days).
Average daylight in September /
Average sunshine in September
Nextlalpan, 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: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
Nextlalpan, Mexico
- Average sunshine days in September: 3.2 days
The month with the most sunshine days is December (26.1 days).
The month with the least sunshine days is September (3.2 days).
Average UV index in September
Nextlalpan, Mexico
- Average UV index in September: 4
The months with the highest UV index are February, March, April and May (UV index 5).
The months with the lowest UV index are January, June, July, August, September, October, November and December (UV index 4).
Average cloud cover in September
Nextlalpan, Mexico
- Average cloud cover in September: 37
The month with the most cloud cover is July (Cloud cover 38).
The months with the least cloud cover are February and December (Cloud cover 11).
Average visibility in September
Nextlalpan, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are July, August and September (8km).
