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
September ushers in a minor alteration in Fayette's climate, with the average high-temperature moving from August's moderately hot 77.5°F (25.3°C) to an agreeable 71.6°F (22°C). During September, the nighttime temperature averages of 52.9°F (11.6°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Fayette, in September, it is raining for 12 days, with typically 2.32" (59mm) of accumulated precipitation. In Fayette, during the entire year, the rain falls for 140.2 days and collects up to 28.7" (729mm) of precipitation.Snowfall
In Fayette, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Fayette, sunrise is at 6:32 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:49 pm CDT.
Sunshine
In Fayette, Iowa, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in Fayette is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Heed the precautions - It is counselled to guard against solar damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the average September temperature in Fayette?
What is the average humidity in September in Fayette?
How many days does it rain in September in Fayette?
When it does not snow in Fayette?
Does it snow in Fayette in September?
What is the average length of the day in September in Fayette?
When is the sunrise / sunset in September in Fayette?
How long on average sun shines in September in Fayette?
What is the UV index intensity in September in Fayette?
Average temperature in September
Fayette, IA
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Fayette, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Fayette, IA
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Fayette, IA
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Fayette, IA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is June (4.45").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in September
Fayette, IA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Fayette, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fayette, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fayette, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Fayette, IA
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in September
Fayette, IA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Fayette, IA
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Fayette, IA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Fayette, Iowa, USA
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