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
Hancock experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from 81.1°F (27.3°C) in August to a still moderately hot 75.6°F (24.2°C). Hancock encounters a steady low-temperature average of 55.9°F (13.3°C) throughout the month of September.Humidity
In Hancock, the average relative humidity in September is 74%.Rainfall
In Hancock, in September, during 11.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 127.7 rainfall days, and 26.57" (675mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Hancock.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:53 pm. On the last day of September, in Hancock, sunrise is at 7:17 am and sunset at 7:04 pm CDT.
Sunshine
In Hancock, Iowa, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Undertake protective steps - Preventing sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hancock in September?
What is the average humidity in September in Hancock?
How many days does it rain in September in Hancock?
When it does not snow in Hancock?
Does it snow in Hancock in September?
What is the average length of the day in September in Hancock?
When is the sunrise / sunset in September in Hancock?
How many hours of sunshine does Hancock have in September?
How high is the UV index in September in Hancock?
Average temperature in September
Hancock, IA
- Average high temperature in September: 75.6°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 (28.8°F).
- Average low temperature in September: 55.9°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 (15.4°F).
Average pressure in September
Hancock, IA
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Hancock, IA
- Average wind speed in September: 8.4mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Hancock, IA
- Average humidity in September: 74%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Hancock, IA
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Hancock, IA
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Hancock, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hancock, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hancock, 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 12min).
- Average sunshine in September: 9h and 1min
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
Hancock, IA
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in September
Hancock, IA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Hancock, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Hancock, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Hancock, Iowa, USA
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