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
The arrival of September brings an average high-temperature of a still warm 77°F (25°C), nearly identical to August's 82.2°F (27.9°C). September nights in Niota cool down to an average low-temperature of 57.4°F (14.1°C).Humidity
The average relative humidity in September is 74%.Rainfall
In Niota, in September, it is raining for 8.2 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Niota, Illinois, there are 101.8 rainfall days, and 9.92" (252mm) of precipitation is accumulated.Snowfall
In Niota, 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 6:33 am and sunset at 7:36 pm. On the last day of September, in Niota, Illinois, sunrise is at 7:01 am and sunset at 6:48 pm CDT.
Sunshine
The average sunshine in September in Niota is 9.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the temperature in September in Niota?
What is the average humidity in September in Niota?
How many days does it rain in September in Niota?
When it does not snow in Niota?
Does it snow in Niota in September?
What is the average length of the day in September in Niota?
When is the sunrise / sunset in September in Niota?
How long on average sun shines in September in Niota?
What is the UV index reading in September in Niota?
Average temperature in September
Niota, IL
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Niota, IL
- 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
Niota, IL
- Average wind speed in September: 7.7mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in September
Niota, IL
- Average humidity in September: 74%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Niota, IL
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days in September
Niota, IL
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in September
Niota, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Niota, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 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
Niota, IL
- Average daylight in September: 12h and 2min
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 4min
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
Niota, IL
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (14 days).
Average UV index in September
Niota, IL
- 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
Niota, IL
- Average cloud cover in September: 28
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 28).
Average visibility in September
Niota, 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).
Niota, Illinois, USA
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