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
Lincoln's weather in September indicates an average high-temperature of a still moderately hot 73.6°F (23.1°C), nearly consistent with the 78.6°F (25.9°C) of August. During September nights, Lincoln witnesses a consistent average temperature of 54.7°F (12.6°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Lincoln, in September, during 12.7 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Lincoln, Iowa, during the entire year, the rain falls for 144.6 days and collects up to 30.75" (781mm) of precipitation.Snowfall
June through September are months without snowfall in Lincoln.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:53 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the average September temperature in Lincoln?
What is the average humidity in September in Lincoln?
How much does it rain in Lincoln in September?
When it does not snow in Lincoln?
Does it snow in Lincoln in September?
How many hours of daylight does Lincoln have in September?
When is the sunrise / sunset in September in Lincoln?
How many hours of sunshine does Lincoln have in September?
What is the UV index intensity in September in Lincoln?
Average temperature in September
Lincoln, IA
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
Lincoln, IA
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Lincoln, IA
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Lincoln, IA
- Average humidity in September: 78%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Lincoln, IA
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Lincoln, IA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (19.6 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Lincoln, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lincoln, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lincoln, IA
- Average daylight in September: 12h and 3min
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 12min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Lincoln, IA
- Average sunshine days in September: 14.7 days
The months with the most sunshine days are October and November (16.9 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in September
Lincoln, IA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Lincoln, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Lincoln, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Lincoln, Iowa, USA
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