September weather forecastAltotonga, Mexico
September
Weather in September
September, the first month of the autumn in Altotonga, is also a moderately hot month, with an average temperature fluctuating between 23.2°C (73.8°F) and 15.2°C (59.4°F).Temperature
As Altotonga steps into September, the average high-temperature holds at a still warm 23.2°C (73.8°F), hinting at a minor fluctuation from the prior month. During September, Altotonga observes a consistent average nighttime temperature of 15.2°C (59.4°F).Humidity
The most humid month is September, with an average relative humidity of 84%.Rainfall
In Altotonga, Mexico, in September, it is raining for 26.4 days, with typically 117mm (4.61") of accumulated precipitation. In Altotonga, during the entire year, the rain falls for 224.5 days and collects up to 1007mm (39.65") of precipitation.Snowfall
February through October and December are months without snowfall in Altotonga.Daylight
In Altotonga, Mexico, the average length of the day in September is 12h and 15min.On the first day of the month, sunrise is at 6:13 am and sunset at 6:43 pm. On the last day of September, sunrise is at 6:19 am and sunset at 6:17 pm CST.
Sunshine
The average sunshine in September is 8.5h.UV index
In Altotonga, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Heed the precautions - It is counselled to guard against solar damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altotonga, Mexico
- Average high temperature in September: 23.2°C
The warmest month (with the highest average high temperature) is May (26.4°C).
The month with the lowest average high temperature is January (18.3°C).
- Average low temperature in September: 15.2°C
The months with the highest average low temperature are May and June (15.5°C).
The coldest month (with the lowest average low temperature) is January (9°C).
Average pressure in September
Altotonga, Mexico
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is May (1013.3mbar).
Average wind speed in September
Altotonga, Mexico
- Average wind speed in September: 5.4km/h
The windiest month (with the highest average wind speed) is April (7km/h).
The calmest month (with the lowest average wind speed) is September (5.4km/h).
Average humidity in September
Altotonga, Mexico
- Average humidity in September: 84%
The month with the highest relative humidity is September (84%).
The month with the lowest relative humidity is April (66%).
Average rainfall in September
Altotonga, Mexico
- Average rainfall in September: 117mm
The wettest month (with the highest rainfall) is July (150mm).
The driest month (with the least rainfall) is December (20mm).
Average rainfall days in September
Altotonga, Mexico
- Average rainfall days in September: 26.4 days
The month with the highest number of rainy days is July (27.7 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in September
Altotonga, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is November (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Altotonga, Mexico
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and November (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Altotonga, 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: 8h and 30min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in September
Altotonga, Mexico
- Average sunshine days in September: 2.5 days
The month with the most sunshine days is January (15.8 days).
The month with the least sunshine days is July (1.6 days).
Average UV index in September
Altotonga, 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 and December (UV index 4).
Average cloud cover in September
Altotonga, Mexico
- Average cloud cover in September: 39
The month with the most cloud cover is September (Cloud cover 39).
The month with the least cloud cover is April (Cloud cover 21).
Average visibility in September
Altotonga, Mexico
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June and August (9km).
The months with the lowest visibility are January, July, September, October, November and December (8km).
