September weather forecastMexicali, Mexico
September
Weather in September
September continues the transition to cooler weather in Mexicali. Despite the cooling trend, Mexicali maintains its reputation for extensive sunshine days and low relative humidity. A slight decrease in wind speed to 9.7km/h (6mph) is observed, along with a decline in the UV index to 8. Come September, rainfall measures drop to 10mm (0.39"), still maintaining a contrast from the earlier summer months and their almost non-existent precipitation.Temperature
Mexicali's transition into September involves a gentle shift in temperature, receding from a blisteringly hot 41.5°C (106.7°F) in August to a fiery hot 37.7°C (99.9°F). Throughout September nights, Mexicali registers an average low-temperature of 26.8°C (80.2°F).Humidity
In Mexicali, the average relative humidity in September is 26%.Rainfall
In Mexicali, in September, it is raining for 4.3 days, with typically 10mm (0.39") of accumulated precipitation. In Mexicali, Mexico, during the entire year, the rain falls for 31.8 days and collects up to 80mm (3.15") of precipitation.Daylight
In Mexicali, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:05 pm. On the last day of September, sunrise is at 6:35 am and sunset at 6:27 pm PDT.
Sunshine
In Mexicali, Mexico, the average sunshine in September is 10.2h.UV index
In Mexicali, the average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 8 during September, leads to the following recommendations:
Stay protected; otherwise, skin and eyes can suffer rapid damage. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mexicali, Mexico
- Average high temperature in September: 37.7°C
The warmest month (with the highest average high temperature) is July (41.8°C).
The month with the lowest average high temperature is December (19.7°C).
- Average low temperature in September: 26.8°C
The month with the highest average low temperature is August (30.2°C).
The coldest month (with the lowest average low temperature) is January (10.2°C).
Average pressure in September
Mexicali, Mexico
- Average pressure in September: 1009.5mbar
The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in September
Mexicali, Mexico
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is April (11.5km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Mexicali, Mexico
- Average humidity in September: 26%
The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (20%).
Average rainfall in September
Mexicali, Mexico
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is July (15mm).
The driest months (with the least rainfall) are May and June (1mm).
Average rainfall days in September
Mexicali, Mexico
- Average rainfall days in September: 4.3 days
The month with the highest number of rainy days is July (6.3 days).
The months with the least rainy days are May and June (1.1 days).
Average daylight in September /
Average sunshine in September
Mexicali, Mexico
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in September
Mexicali, Mexico
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is May (29.6 days).
The month with the least sunshine days is July (21.3 days).
Average UV index in September
Mexicali, Mexico
- Average UV index in September: 8
The months with the highest UV index are June, July and August (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Mexicali, Mexico
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Mexicali, Mexico
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
