September weather forecastLomax, IL
September
Weather in September
The first month of the autumn, September, is still a warm month in Lomax, Illinois, with an average temperature ranging between min 57.2°F (14°C) and max 76.6°F (24.8°C).Temperature
Lomax in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 82°F (27.8°C) to a still moderately hot 76.6°F (24.8°C). Lomax experiences an average low-temperature of 57.2°F (14°C) in the month of September.Humidity
In Lomax, the average relative humidity in September is 75%.Rainfall
In Lomax, during September, the rain falls for 11 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 137.6 rainfall days, and 26.65" (677mm) of precipitation is accumulated.Snowfall
In Lomax, Illinois, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:47 pm CDT.
Sunshine
In September, the average sunshine is 9.6h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lomax, IL
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Lomax, IL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Lomax, IL
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in September
Lomax, IL
- Average humidity in September: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Lomax, IL
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in September
Lomax, IL
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in September
Lomax, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lomax, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 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
Lomax, 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 18min).
- Average sunshine in September: 9h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Lomax, IL
- Average sunshine days in September: 17.3 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Lomax, IL
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Lomax, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in September
Lomax, IL
- 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).
