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
With September's arrival, Leamington, Illinois, notes an average high-temperature of a still warm 79.9°F (26.6°C), closely following the trend of the preceding month. In September, Leamington experiences an average nighttime temperature of 60.8°F (16°C).Humidity
The average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall in Leamington, Illinois. Rain falls for 10.8 days and accumulates 1.14" (29mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Leamington, Illinois, is 12h and 25min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:21 pm. On the last day of September, in Leamington, sunrise is at 6:48 am and sunset at 6:37 pm CDT.
Sunshine
The average sunshine in September in Leamington is 9.2h.UV index
In Leamington, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the temperature in September in Leamington?
What is the average humidity in September in Leamington?
What is the driest month in Leamington?
How much does it rain in Leamington in September?
When it does not snow in Leamington?
What is the average length of the day in September in Leamington?
When is the sunrise / sunset in September in Leamington?
How long on average sun shines in September in Leamington?
What is the UV index intensity in September in Leamington?
Average temperature in September
Leamington, IL
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Leamington, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Leamington, IL
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Leamington, IL
- Average humidity in September: 73%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Leamington, IL
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in September
Leamington, IL
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
Leamington, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Leamington, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Leamington, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Leamington, IL
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in September
Leamington, IL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Leamington, IL
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Leamington, 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).
Leamington, Illinois, USA
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