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
Julien Hill experiences a recorded average high-temperature of a still warm 80.4°F (26.9°C) in September, closely aligned with August's 85.6°F (29.8°C). In September, Julien Hill experiences a temperature dip to an average of 60.4°F (15.8°C) at night.Humidity
In Julien Hill, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall in Julien Hill. Rain falls for 10.6 days and accumulates 1.61" (41mm) of precipitation.Snowfall
In Julien Hill, snow does not fall in May through October.Daylight
In Julien Hill, the average length of the day in September is 12h and 25min.On the first day of September in Julien Hill, sunrise is at 6:24 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.
Sunshine
In Julien Hill, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index in Julien Hill is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 in September translates into these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the average September temperature in Julien Hill?
What is the average humidity in September in Julien Hill?
What is the driest month in Julien Hill?
How much does it rain in Julien Hill in September?
When it does not snow in Julien Hill?
How many hours of daylight does Julien Hill have in September?
When is the sunrise / sunset in September in Julien Hill?
How long on average sun shines in September in Julien Hill?
How high is the UV index in September in Julien Hill?
Average temperature in September
Julien Hill, IL
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Julien Hill, 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 (29.94"Hg).
Average wind speed in September
Julien Hill, IL
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Julien Hill, IL
- Average humidity in September: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Julien Hill, IL
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Julien Hill, IL
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Julien Hill, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Julien Hill, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Julien Hill, 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 June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Julien Hill, IL
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in September
Julien Hill, 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
Julien Hill, IL
- Average cloud cover in September: 29
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Julien Hill, 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).
Julien Hill, Illinois, USA
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