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
With the onset of September, the average high-temperature stands at a still warm 25.3°C (77.5°F), closely aligned with August's 25.9°C (78.6°F). Chapala's temperature in September lowers to a consistent average of 14.5°C (58.1°F) during the nights.Humidity
The most humid month in Chapala is September, with an average relative humidity of 83%.Rainfall
In Chapala, in September, it is raining for 23.2 days, with typically 132mm (5.2") of accumulated precipitation. Throughout the year, there are 136.8 rainfall days, and 649mm (25.55") of precipitation is accumulated.Daylight
The average length of the day in September in Chapala, Mexico, is 12h and 15min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:07 pm. On the last day of September, in Chapala, sunrise is at 6:43 am and sunset at 6:41 pm CST.
Sunshine
In Chapala, the average sunshine in September is 8.8h.UV index
January, February, August through December, with an average maximum UV index of 5, are months with the lowest UV index in Chapala. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during September translates into the following guidance:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are the temperatures in Chapala in September?
What is the most humid month in Chapala?
What is the average humidity in September in Chapala?
How much does it rain in Chapala in September?
What is the average length of the day in September in Chapala?
What time are sunrise and sunset in September in Chapala?
How long on average sun shines in September in Chapala?
When is the lowest UV index in Chapala?
What is the UV index reading in September in Chapala?
Average temperature in September
Chapala, Mexico
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is May (32.3°C).
The month with the lowest average high temperature is January (23.4°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is June (17.8°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).
Average pressure in September
Chapala, Mexico
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is January (1016.6mbar).
The month with the lowest atmospheric pressure is May (1012.5mbar).
Average wind speed in September
Chapala, Mexico
- Average wind speed in September: 5.2km/h
The windiest month (with the highest average wind speed) is April (8.1km/h).
The calmest month (with the lowest average wind speed) is July (4.8km/h).
Average humidity in September
Chapala, Mexico
- Average humidity in September: 83%
The month with the highest relative humidity is September (83%).
The month with the lowest relative humidity is April (36%).
Average rainfall in September
Chapala, Mexico
- Average rainfall in September: 132mm
The wettest month (with the highest rainfall) is July (169mm).
The driest month (with the least rainfall) is April (1mm).
Average rainfall days in September
Chapala, Mexico
- Average rainfall days in September: 23.2 days
The month with the highest number of rainy days is July (26.9 days).
The month with the least rainy days is April (1.8 days).
Average daylight in September /
Average sunshine in September
Chapala, 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: 10h and 54min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are January, May and December (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 8h and 42min).
Average sunshine days in September
Chapala, Mexico
- Average sunshine days in September: 5.8 days
The month with the most sunshine days is April (27.8 days).
The month with the least sunshine days is July (2.5 days).
Average UV index in September
Chapala, Mexico
- Average UV index in September: 5
The month with the highest UV index is May (UV index 7).
The months with the lowest UV index are January, February, August, September, October, November and December (UV index 5).
Average cloud cover in September
Chapala, Mexico
- Average cloud cover in September: 45
The month with the most cloud cover is September (Cloud cover 45).
The months with the least cloud cover are March and April (Cloud cover 9).
Average visibility in September
Chapala, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August and September (8km).
Chapala, Mexico
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