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 commencement of September records an average high-temperature of a pleasant 22.3°C (72.1°F), barely varying from August's 23.7°C (74.7°F). In the month of September, San Juan Ñumí's average low-temperature falls to a moderate 13.2°C (55.8°F).Humidity
September is the most humid month in San Juan Ñumí, with an average relative humidity of 81%.Rainfall
In September, the rain falls for 26.6 days. Throughout September, 145mm (5.71") of precipitation is accumulated. In San Juan Ñumí, during the entire year, the rain falls for 185.5 days and collects up to 866mm (34.09") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of the month, sunrise is at 6:17 am and sunset at 6:44 pm. On the last day of September, sunrise is at 6:21 am and sunset at 6:20 pm CST.
Sunshine
The average sunshine in September is 8.9h.UV index
In San Juan Ñumí, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for San Juan Ñumí in September?
What is the most humid month?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does San Juan Ñumí have in September?
What is the UV index reading in September?
Average temperature in September
San Juan Ñumí, Mexico
- Average high temperature in September: 22.3°C
The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is January (21.1°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is May (14.5°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).
Average pressure in September
San Juan Ñumí, Mexico
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).
Average wind speed in September
San Juan Ñumí, Mexico
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest months (with the lowest average wind speed) are June and September (6.7km/h).
Average humidity in September
San Juan Ñumí, Mexico
- Average humidity in September: 81%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (56%).
Average rainfall in September
San Juan Ñumí, Mexico
- Average rainfall in September: 145mm
The wettest month (with the highest rainfall) is June (164mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
San Juan Ñumí, Mexico
- Average rainfall days in September: 26.6 days
The month with the highest number of rainy days is September (26.6 days).
The month with the least rainy days is December (4.5 days).
Average daylight in September /
Average sunshine in September
San Juan Ñumí, 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 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 36min).
Average sunshine days in September
San Juan Ñumí, Mexico
- Average sunshine days in September: 2 days
The month with the most sunshine days is December (22.2 days).
The months with the least sunshine days are August and September (2 days).
Average UV index in September
San Juan Ñumí, 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, June, October, November and December (UV index 4).
Average cloud cover in September
San Juan Ñumí, Mexico
- Average cloud cover in September: 42
The month with the most cloud cover is September (Cloud cover 42).
The months with the least cloud cover are February, March and April (Cloud cover 15).
Average visibility in September
San Juan Ñumí, 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).
