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
The transition into September notes an average high-temperature of a refreshing 19.9°C (67.8°F), revealing a mild distinction from the 21°C (69.8°F) in August. Throughout the month of September, San José Chiapa reports a steady low-temperature average of 10.8°C (51.4°F).Humidity
The most humid month is September, with an average relative humidity of 82%.Rainfall
September is the month with the most rainfall in San José Chiapa. Rain falls for 27.9 days and accumulates 172mm (6.77") of precipitation.Daylight
In San José Chiapa, the average length of the day in September is 12h and 14min.On the first day of the month, sunrise is at 6:16 am and sunset at 6:45 pm. On the last day of September, in San José Chiapa, sunrise is at 6:21 am and sunset at 6:19 pm CST.
Sunshine
In September, the average sunshine is 8.8h.UV index
The months with the lowest UV index in San José Chiapa are January, June, August 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 the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Take precautions - Protection against skin and eye damage is obliged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in San José Chiapa?
What is the most humid month in San José Chiapa?
What is the average humidity in September in San José Chiapa?
What is the wettest month in San José Chiapa?
How many days does it rain in September in San José Chiapa?
How many hours of daylight does San José Chiapa have in September?
When are sunrise and sunset in September in San José Chiapa?
How many hours of sunshine does San José Chiapa have in September?
When is the lowest UV index in San José Chiapa?
How high is the UV index in September in San José Chiapa?
Average temperature in September
San José Chiapa, Mexico
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is April (23.8°C).
The month with the lowest average high temperature is January (18.4°C).
- Average low temperature in September: 10.8°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 (6.6°C).
Average pressure in September
San José Chiapa, Mexico
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is January (1018.8mbar).
The month with the lowest atmospheric pressure is May (1014.3mbar).
Average wind speed in September
San José Chiapa, Mexico
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest months (with the lowest average wind speed) are June and July (6.8km/h).
Average humidity in September
San José Chiapa, Mexico
- Average humidity in September: 82%
The month with the highest relative humidity is September (82%).
The month with the lowest relative humidity is April (51%).
Average rainfall in September
San José Chiapa, Mexico
- Average rainfall in September: 172mm
The wettest month (with the highest rainfall) is September (172mm).
The driest month (with the least rainfall) is December (6mm).
Average rainfall days in September
San José Chiapa, Mexico
- Average rainfall days in September: 27.9 days
The month with the highest number of rainy days is August (28.3 days).
The month with the least rainy days is December (4.5 days).
Average daylight in September /
Average sunshine in September
San José Chiapa, 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 5min
The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).
Average sunshine days in September
San José Chiapa, Mexico
- Average sunshine days in September: 2 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is September (2 days).
Average UV index in September
San José Chiapa, Mexico
- Average UV index in September: 4
The months with the highest UV index are February, March, April, May and July (UV index 5).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 4).
Average cloud cover in September
San José Chiapa, Mexico
- Average cloud cover in September: 41
The month with the most cloud cover is September (Cloud cover 41).
The months with the least cloud cover are February and December (Cloud cover 12).
Average visibility in September
San José Chiapa, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is September (8km).
