September weather forecastIda Grove, IA
September
Weather in September
The first month of the autumn, September, is still a warm month in Ida Grove, Iowa, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 74.1°F (23.4°C).Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a warm 79.5°F (26.4°C) in August to a still moderately hot 74.1°F (23.4°C). The low-temperature in Ida Grove averages to a mild 55.8°F (13.2°C) during the nights of September.Humidity
In Ida Grove, the average relative humidity in September is 74%.Rainfall
In Ida Grove, Iowa, in September, it is raining for 8.8 days, with typically 1.02" (26mm) of accumulated precipitation. In Ida Grove, during the entire year, the rain falls for 97 days and collects up to 10.12" (257mm) of precipitation.Snowfall
May through September are months without snowfall in Ida Grove.Daylight
In Ida Grove, the average length of the day in September is 12h and 28min.On the first day of September in Ida Grove, sunrise is at 6:47 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:04 pm CDT.
Sunshine
In Ida Grove, the average sunshine in September is 9h.UV index
In Ida Grove, Iowa, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ida Grove, IA
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in September
Ida Grove, 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
Ida Grove, IA
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in September
Ida Grove, IA
- Average humidity in September: 74%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (67%).
Average rainfall in September
Ida Grove, IA
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in September
Ida Grove, IA
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is May (13.8 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in September
Ida Grove, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Ida Grove, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ida Grove, IA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 0min
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
Ida Grove, IA
- Average sunshine days in September: 19 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in September
Ida Grove, IA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Ida Grove, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Ida Grove, 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).





