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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's hot 88.3°F (31.3°C) to a moderately hot 80.6°F (27°C). Indianola experiences a mean low-temperature of 59.2°F (15.1°C) during September.Heat index
In September, the heat index is estimated at 82.4°F (28°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In Indianola, the average relative humidity in September is 55%.Rainfall
In Indianola, during September, the rain falls for 9.4 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Indianola, Nebraska, during the entire year, the rain falls for 103 days and collects up to 15.94" (405mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:24 pm CDT.
Sunshine
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Indianola?
Does it snow in September?
How many hours of daylight does Indianola have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Indianola have in September?
What is the UV index reading in September in Indianola?
Average temperature in September
Indianola, NE
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (39.4°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Indianola, NE
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Indianola, NE
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in September
Indianola, NE
- Average humidity in September: 55%
The month with the highest relative humidity is January (68%).
The months with the lowest relative humidity are July and October (54%).
Average rainfall in September
Indianola, NE
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Indianola, NE
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Indianola, NE
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Indianola, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Indianola, NE
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Indianola, NE
- Average sunshine days in September: 17.1 days
The months with the most sunshine days are January and November (24.3 days).
The month with the least sunshine days is August (13.1 days).
Average UV index in September
Indianola, NE
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Indianola, NE
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 20).
Average visibility in September
Indianola, NE
- 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).
Indianola, Nebraska, USA
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