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
Weather in September
Temperature
As Santiago Nacaltepec transitions into September, the average high-temperature stands at a still agreeable 21.1°C (70°F), offering little variation from the preceding month. During September, the nighttime temperature in Santiago Nacaltepec averages of 13°C (55.4°F).Humidity
The most humid month in Santiago Nacaltepec, Mexico, is September, with an average relative humidity of 86%.Rainfall
In September, the rain falls for 28.8 days. Throughout September, 200mm (7.87") of precipitation is accumulated. Throughout the year, in Santiago Nacaltepec, there are 222.9 rainfall days, and 1066mm (41.97") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 14min.On the first day of September in Santiago Nacaltepec, sunrise is at 6:13 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 6:16 pm CST.
Sunshine
The average sunshine in September is 8.3h.UV index
The months with the highest UV index are February through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Santiago Nacaltepec?
What is the most humid month in Santiago Nacaltepec?
What is the average humidity in September in Santiago Nacaltepec?
How many days does it rain in September in Santiago Nacaltepec?
How many hours of daylight does Santiago Nacaltepec have in September?
When is the sunrise / sunset in September in Santiago Nacaltepec?
How many hours of sunshine does Santiago Nacaltepec have in September?
When is the highest UV index in Santiago Nacaltepec?
How high is the UV index in September in Santiago Nacaltepec?
Average temperature in September
Santiago Nacaltepec, Mexico
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is April (26.8°C).
The month with the lowest average high temperature is November (20.6°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is June (13.3°C).
The coldest month (with the lowest average low temperature) is January (7.8°C).
Average pressure in September
Santiago Nacaltepec, Mexico
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is May (1012.9mbar).
Average wind speed in September
Santiago Nacaltepec, Mexico
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is November (7.3km/h).
The calmest months (with the lowest average wind speed) are May and June (5.3km/h).
Average humidity in September
Santiago Nacaltepec, 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 (62%).
Average rainfall in September
Santiago Nacaltepec, Mexico
- Average rainfall in September: 200mm
The wettest month (with the highest rainfall) is June (203mm).
The driest month (with the least rainfall) is December (5mm).
Average rainfall days in September
Santiago Nacaltepec, Mexico
- Average rainfall days in September: 28.8 days
The month with the highest number of rainy days is September (28.8 days).
The month with the least rainy days is February (7 days).
Average daylight in September /
Average sunshine in September
Santiago Nacaltepec, Mexico
- Average daylight in September: 12h and 1min
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 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in September
Santiago Nacaltepec, Mexico
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is September (0.4 days).
Average UV index in September
Santiago Nacaltepec, Mexico
- Average UV index in September: 5
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, October, November and December (UV index 4).
Average cloud cover in September
Santiago Nacaltepec, Mexico
- Average cloud cover in September: 54
The month with the most cloud cover is September (Cloud cover 54).
The month with the least cloud cover is March (Cloud cover 21).
Average visibility in September
Santiago Nacaltepec, Mexico
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April and May (9km).
The months with the lowest visibility are July, August, September, October and November (7km).
Santiago Nacaltepec, Mexico
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