September weather forecastMexico, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mexico, Missouri, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 78.4°F (25.8°C).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 84.6°F (29.2°C) in August to a still moderately hot 78.4°F (25.8°C). Mexico experiences an average low-temperature of 58.8°F (14.9°C) in month of September.Humidity
In Mexico, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. In Mexico, during the entire year, the rain falls for 142.2 days and collects up to 29.13" (740mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Mexico, Missouri, is 12h and 26min.On the first day of September, sunrise is at 6:36 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Mexico, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during September leads to these advisories:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mexico, MO
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in September
Mexico, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Mexico, MO
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Mexico, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Mexico, MO
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in September
Mexico, MO
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Mexico, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mexico, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mexico, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Mexico, MO
- Average sunshine days in September: 17 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Mexico, MO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mexico, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Mexico, MO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
