September weather forecastPleasantville, IA
September
Weather in September
September, the first month of the autumn in Pleasantville, is also a moderately hot month, with an average temperature fluctuating between 56.1°F (13.4°C) and 75.7°F (24.3°C).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's 81.3°F (27.4°C) to a still moderately hot 75.7°F (24.3°C). Throughout September, Pleasantville registers a consistent average low-temperature of 56.1°F (13.4°C).Humidity
The average relative humidity in September is 76%.Rainfall
In Pleasantville, in September, it is raining for 9.5 days, with typically 1.42" (36mm) of accumulated precipitation. In Pleasantville, during the entire year, the rain falls for 109.9 days and collects up to 12.72" (323mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:56 pm CDT.
Sunshine
The average sunshine in September in Pleasantville, Iowa, is 9.4h.UV index
In Pleasantville, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pleasantville, IA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
Pleasantville, IA
- 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 (29.89"Hg).
Average wind speed in September
Pleasantville, IA
- Average wind speed in September: 7.9mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Pleasantville, IA
- Average humidity in September: 76%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Pleasantville, IA
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in September
Pleasantville, IA
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Pleasantville, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Pleasantville, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pleasantville, IA
- Average daylight in September: 12h and 30min
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 12min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Pleasantville, IA
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Pleasantville, IA
- Average UV index in September: 4
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
Pleasantville, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in September
Pleasantville, IA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
