September weather forecastLime Springs, IA
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Lime Springs, Iowa, with an average temperature varying between 70.7°F (21.5°C) and 52.2°F (11.2°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 76.6°F (24.8°C) to an agreeable 70.7°F (21.5°C). During the month of September, the temperature falls to an average of 52.2°F (11.2°C).Humidity
The average relative humidity in September in Lime Springs is 80%.Rainfall
In Lime Springs, Iowa, during September, the rain falls for 13.9 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 148.5 rainfall days, and 29.69" (754mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Lime Springs.Daylight
In Lime Springs, the average length of the day in September is 12h and 29min.On the first day of September in Lime Springs, sunrise is at 6:33 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:51 pm CDT.
Sunshine
In Lime Springs, the average sunshine in September is 8.8h.UV index
In Lime Springs, Iowa, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lime Springs, IA
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in September
Lime Springs, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Lime Springs, IA
- Average wind speed in September: 8.4mph
The windiest months (with the highest average wind speed) are January and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Lime Springs, IA
- Average humidity in September: 80%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Lime Springs, IA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is June (4.8").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in September
Lime Springs, IA
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is June (20.3 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Lime Springs, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lime Springs, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lime Springs, IA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Lime Springs, IA
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (7.1 days).
Average UV index in September
Lime Springs, IA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in September
Lime Springs, IA
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Lime Springs, IA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).





