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
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 84.7°F (29.3°C) in August to a still warm 78.1°F (25.6°C). An average nighttime temperature of 59.4°F (15.2°C) is witnessed throughout September.Humidity
The average relative humidity in September is 75%.Rainfall
In September, in Farley, the rain falls for 12.1 days. Throughout September, 1.97" (50mm) of precipitation is accumulated. In Farley, during the entire year, the rain falls for 125.5 days and collects up to 22.28" (566mm) of precipitation.Snowfall
In Farley, snow does not fall in June through September.Daylight
In Farley, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of September, in Farley, sunrise is at 7:15 am and sunset at 7:02 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the average September temperature in Farley?
What is the average humidity in September in Farley?
How much does it rain in Farley in September?
When it does not snow in Farley?
Does it snow in Farley in September?
What is the average length of the day in September in Farley?
When are sunrise and sunset in September in Farley?
How long on average sun shines in September in Farley?
How high is the UV index in September in Farley?
Average temperature in September
Farley, MO
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
Farley, MO
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Farley, MO
- Average wind speed in September: 7.2mph
The windiest months (with the highest average wind speed) are February, March and April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Farley, MO
- Average humidity in September: 75%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (69%).
Average rainfall in September
Farley, MO
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Farley, MO
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Farley, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Farley, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Farley, MO
- Average daylight in September: 12h and 2min
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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Farley, MO
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in September
Farley, 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, February, November and December (UV index 2).
Average cloud cover in September
Farley, MO
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Farley, 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).
Farley, Missouri, USA
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