September weather forecastTepanco de López, Mexico
September
Weather in September
September, the first month of the autumn in Tepanco de López, is also an agreeable month, with an average temperature ranging between max 22.5°C (72.5°F) and min 13.6°C (56.5°F).Temperature
September's average high-temperature is a pleasant 22.5°C (72.5°F), maintaining a close comparison with August's 23.5°C (74.3°F). The nights of September anticipate an average low-temperature of 13.6°C (56.5°F).Humidity
September is the most humid month, with an average relative humidity of 79%.Rainfall
In Tepanco de López, Mexico, during September, the rain falls for 16.5 days and regularly aggregates up to 69mm (2.72") of precipitation. Throughout the year, in Tepanco de López, there are 137.8 rainfall days, and 464mm (18.27") of precipitation is accumulated.Daylight
The average length of the day in September in Tepanco de López is 12h and 14min.On the first day of September in Tepanco de López, sunrise is at 6:15 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 6:19 pm CST.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tepanco de López, Mexico
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is April (25.8°C).
The month with the lowest average high temperature is January (19.1°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is May (15.1°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).
Average pressure in September
Tepanco de López, Mexico
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is January (1018.9mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).
Average wind speed in September
Tepanco de López, Mexico
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is March (10.8km/h).
The calmest month (with the lowest average wind speed) is September (8.6km/h).
Average humidity in September
Tepanco de López, Mexico
- Average humidity in September: 79%
The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is April (60%).
Average rainfall in September
Tepanco de López, Mexico
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is June (122mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
Tepanco de López, Mexico
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is December (4.3 days).
Average daylight in September /
Average sunshine in September
Tepanco de López, Mexico
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in September
Tepanco de López, Mexico
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in September
Tepanco de López, Mexico
- Average UV index in September: 5
The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, October and December (UV index 4).
Average cloud cover in September
Tepanco de López, Mexico
- Average cloud cover in September: 41
The month with the most cloud cover is September (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 18).
Average visibility in September
Tepanco de López, Mexico
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May and December (10km).
The months with the lowest visibility are January, June, July, August, September, October and November (9km).





