September weather forecastLane, IL
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Lane, Illinois, with an average temperature fluctuating between 58.3°F (14.6°C) and 76.3°F (24.6°C).Temperature
The commencement of September records an average high-temperature of a still warm 76.3°F (24.6°C), barely varying from August's 81°F (27.2°C). Lane observes an average nighttime low-temperature of 58.3°F (14.6°C) during the month of September.Humidity
The average relative humidity in September is 76%.Rainfall
In Lane, in September, it is raining for 13.4 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 165.4 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
In Lane, snow does not fall in May through September.Daylight
In Lane, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:23 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm CDT.
Sunshine
In Lane, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lane, IL
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Lane, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Lane, IL
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Lane, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Lane, IL
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is December (1.89").
Average rainfall days in September
Lane, IL
- Average rainfall days in September: 13.4 days
The months with the highest number of rainy days are May and July (20.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Lane, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lane, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 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
Lane, IL
- Average daylight in September: 12h and 24min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Lane, IL
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Lane, IL
- Average UV index in September: 5
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
Lane, IL
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in September
Lane, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
