September weather forecastEldon, IA
September
Weather in September
September, the first month of the autumn in Eldon, is also a moderately hot month, with an average temperature fluctuating between 56.7°F (13.7°C) and 76.1°F (24.5°C).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from 82.2°F (27.9°C) in August to a still moderately hot 76.1°F (24.5°C). Eldon witnesses a consistent average low-temperature of 56.7°F (13.7°C) throughout September.Humidity
In Eldon, the average relative humidity in September is 76%.Rainfall
In Eldon, in September, during 9.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 133.4 rainfall days, and 26.54" (674mm) of precipitation is accumulated.Snowfall
In Eldon, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:52 pm CDT.
Sunshine
In Eldon, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Eldon, IA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Eldon, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Eldon, IA
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Eldon, IA
- Average humidity in September: 76%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Eldon, IA
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in September
Eldon, IA
- Average rainfall days in September: 9.6 days
The months with the highest number of rainy days are May and June (16.8 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in September
Eldon, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.84").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Eldon, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 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
Eldon, 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 18min).
- Average sunshine in September: 9h and 30min
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 18min).
Average sunshine days in September
Eldon, IA
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in September
Eldon, 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, November and December (UV index 2).
Average cloud cover in September
Eldon, IA
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 28).
Average visibility in September
Eldon, 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).
