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
In Clearfield, the average high-temperature in September marginally drops from a warm 82°F (27.8°C) in August to a still moderately hot 76.1°F (24.5°C). The average low-temperature, in Clearfield, is 56.5°F (13.6°C).Humidity
In September, the average relative humidity in Clearfield is 75%.Rainfall
In September, in Clearfield, the rain falls for 11.6 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. In Clearfield, during the entire year, the rain falls for 123.8 days and collects up to 21.93" (557mm) of precipitation.Snowfall
In Clearfield, snow does not fall in June through September.Daylight
In September, the average length of the day in Clearfield is 12h and 27min.On the first day of September, sunrise is at 6:44 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:02 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
FAQ
What is the temperature in September in Clearfield?
What is the average humidity in September in Clearfield?
How much does it rain in Clearfield in September?
When it does not snow in Clearfield?
Does it snow in Clearfield in September?
How many hours of daylight does Clearfield have in September?
When is the sunrise / sunset in September in Clearfield?
How long on average sun shines in September in Clearfield?
What is the UV index intensity in September in Clearfield?
Average temperature in September
Clearfield, IA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Clearfield, IA
- Average pressure in September: 30.01"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
Clearfield, IA
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Clearfield, IA
- Average humidity in September: 75%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Clearfield, IA
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Clearfield, IA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Clearfield, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clearfield, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clearfield, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Clearfield, IA
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in September
Clearfield, IA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Clearfield, IA
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and September (Cloud cover 28).
Average visibility in September
Clearfield, IA
- 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).
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