Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With the transition into September, Santiago Tlacotepec notes an average high-temperature of a still enjoyable 18.2°C (64.8°F), closely resembling August. During September, Santiago Tlacotepec sees a mean low-temperature of 9.7°C (49.5°F).Humidity
With an average relative humidity of 86%, September is the most humid month.Rainfall
In Santiago Tlacotepec, during September, the rain falls for 28 days and regularly aggregates up to 224mm (8.82") of precipitation. In Santiago Tlacotepec, Mexico, during the entire year, the rain falls for 211.5 days and collects up to 1407mm (55.39") of precipitation.Daylight
In Santiago Tlacotepec, the average length of the day in September is 12h and 14min.On the first day of September in Santiago Tlacotepec, sunrise is at 6:23 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 6:27 pm CST.
Sunshine
In September, the average sunshine is 8.3h.UV index
The months with the lowest UV index are September and October, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Santiago Tlacotepec?
What is the most humid month in Santiago Tlacotepec?
What is the average humidity in September in Santiago Tlacotepec?
How many days does it rain in September in Santiago Tlacotepec?
What is the average length of the day in September in Santiago Tlacotepec?
When are sunrise and sunset in September in Santiago Tlacotepec?
How long on average sun shines in September in Santiago Tlacotepec?
When is the lowest UV index in Santiago Tlacotepec?
What is the UV index reading in September in Santiago Tlacotepec?
Average temperature in September
Santiago Tlacotepec, Mexico
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is April (22.8°C).
The month with the lowest average high temperature is January (17.2°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is May (10.8°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).
Average pressure in September
Santiago Tlacotepec, Mexico
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.7mbar).
Average wind speed in September
Santiago Tlacotepec, Mexico
- Average wind speed in September: 5.1km/h
The windiest months (with the highest average wind speed) are March and April (6.8km/h).
The calmest month (with the lowest average wind speed) is July (4.4km/h).
Average humidity in September
Santiago Tlacotepec, Mexico
- Average humidity in September: 86%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (47%).
Average rainfall in September
Santiago Tlacotepec, Mexico
- Average rainfall in September: 224mm
The wettest month (with the highest rainfall) is July (301mm).
The driest month (with the least rainfall) is December (8mm).
Average rainfall days in September
Santiago Tlacotepec, Mexico
- Average rainfall days in September: 28 days
The month with the highest number of rainy days is August (30.8 days).
The month with the least rainy days is January (5.8 days).
Average daylight in September /
Average sunshine in September
Santiago Tlacotepec, Mexico
- Average daylight in September: 12h and 1min
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 2min
The month with the most sunshine is March (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 8h and 6min).
Average sunshine days in September
Santiago Tlacotepec, Mexico
- Average sunshine days in September: 1.1 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (0.1 days).
Average UV index in September
Santiago Tlacotepec, Mexico
- Average UV index in September: 3
The months with the highest UV index are March and April (UV index 5).
The months with the lowest UV index are September and October (UV index 3).
Average cloud cover in September
Santiago Tlacotepec, Mexico
- Average cloud cover in September: 46
The month with the most cloud cover is September (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 12).
Average visibility in September
Santiago Tlacotepec, Mexico
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May and December (10km).
The month with the lowest visibility is September (7km).
