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 snowfall in September
- Average snowfall 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
Essex's average high-temperature marks a warm 81.7°F (27.6°C) with the advent of September, closely mirroring that of the preceding month. The average low-temperature, in September, in Essex, is a refreshing 62.4°F (16.9°C).Heat index
During September, the heat index is appraised at a hot 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
In Essex, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 8.6 days and accumulates 0.47" (12mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Essex, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:27 pm. On the last day of September, in Essex, sunrise is at 6:54 am and sunset at 6:43 pm CDT.
Sunshine
In Essex, the average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September leads to these advisories:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Essex in September?
What is the average humidity in September in Essex?
What is the driest month in Essex?
How many days does it rain in September in Essex?
When it does not snow in Essex?
How many hours of daylight does Essex have in September?
When is the sunrise / sunset in September in Essex?
How long on average sun shines in September in Essex?
What is the UV index reading in September in Essex?
Average temperature in September
Essex, MO
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Essex, 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 (29.93"Hg).
Average wind speed in September
Essex, MO
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Essex, MO
- Average humidity in September: 72%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Essex, MO
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in September
Essex, MO
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Essex, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Essex, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Essex, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Essex, MO
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (15.7 days).
Average UV index in September
Essex, MO
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Essex, MO
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Essex, 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).
Essex, Missouri, USA
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