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 ushering in of September brings an average high-temperature of a still warm 76.8°F (24.9°C), closely mirroring the 81.9°F (27.7°C) of August. Good Hope observes an average low-temperature of 57.6°F (14.2°C) during September.Humidity
The average relative humidity in September is 76%.Rainfall
In September, the rain falls for 9.8 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. Throughout the year, in Good Hope, there are 122.7 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Good Hope, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:34 pm. On the last day of September, in Good Hope, Illinois, sunrise is at 6:58 am and sunset at 6:45 pm CDT.
Sunshine
In Good Hope, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September in Good Hope is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Good Hope?
What is the average humidity in September in Good Hope?
How much does it rain in Good Hope in September?
When it does not snow in Good Hope?
Does it snow in Good Hope in September?
How many hours of daylight does Good Hope have in September?
When is the sunrise / sunset in September in Good Hope?
How many hours of sunshine does Good Hope have in September?
What is the UV index intensity in September in Good Hope?
Average temperature in September
Good Hope, IL
- Average high temperature in September: 76.8°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 (30.9°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Good Hope, 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 (29.91"Hg).
Average wind speed in September
Good Hope, IL
- Average wind speed in September: 7.5mph
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 (6.6mph).
Average humidity in September
Good Hope, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Good Hope, IL
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Good Hope, IL
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Good Hope, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Good Hope, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.6 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
Good Hope, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Good Hope, IL
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in September
Good Hope, 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
Good Hope, IL
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in September
Good Hope, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Good Hope, Illinois, USA
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