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 advent of September sees the average high-temperature at a still warm 76.3°F (24.6°C), subtly shifted from August's 81.3°F (27.4°C). During the nights in September, Glasford experiences a consistent average temperature of 57.2°F (14°C).Humidity
The average relative humidity in September is 76%.Rainfall
In Glasford, during September, the rain falls for 12.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Glasford, Illinois, during the entire year, the rain falls for 153.3 days and collects up to 29.61" (752mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Glasford, Illinois, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:42 pm CDT.
Sunshine
In Glasford, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Undertake protective steps - Preventing sun damage is advised. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Glasford have in September?
How high is the UV index in September?
Average temperature in September
Glasford, IL
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Glasford, 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 (29.91"Hg).
Average wind speed in September
Glasford, IL
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Glasford, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Glasford, IL
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in September
Glasford, IL
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Glasford, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Glasford, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.6 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
Glasford, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Glasford, IL
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Glasford, IL
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Glasford, IL
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in September
Glasford, 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).
Glasford, Illinois, USA
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