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
Litchfield's weather in September displays an average high-temperature of a still warm 77.7°F (25.4°C), showing minor disparity from August's 82.6°F (28.1°C). Litchfield, during the month of September, experiences an average low-temperature of 59.4°F (15.2°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In September, in Litchfield, Illinois, the rain falls for 9.8 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 125.2 rainfall days, and 16.3" (414mm) of precipitation is accumulated.Snowfall
In Litchfield, snow does not fall in April through October.Daylight
In Litchfield, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:42 pm CDT.
Sunshine
In September, the average sunshine in Litchfield is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Litchfield?
How many days does it rain in September?
When it does not snow in Litchfield?
How many hours of daylight does Litchfield have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Litchfield, IL
- Average high temperature in September: 77.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in September
Litchfield, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Litchfield, IL
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Litchfield, IL
- Average humidity in September: 75%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Litchfield, IL
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Litchfield, IL
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Litchfield, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Litchfield, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 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
Litchfield, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Litchfield, IL
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Litchfield, 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
Litchfield, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in September
Litchfield, 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).
Litchfield, Illinois, USA
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