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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 78.1°F (25.6°C) to a pleasant 72.5°F (22.5°C). Hampshire's temperature in September lowers to a consistent average of 54.1°F (12.3°C) during the nights.Humidity
The average relative humidity in September in Hampshire is 81%.Rainfall
In Hampshire, during September, the rain falls for 8.1 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 103.9 rainfall days, and 8.5" (216mm) of precipitation is accumulated.Snowfall
In Hampshire, Illinois, snow does not fall in May through September.Daylight
In September, the average length of the day in Hampshire is 12h and 28min.On the first day of September in Hampshire, Illinois, sunrise is at 6:20 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:36 pm CDT.
Sunshine
The average sunshine in September in Hampshire, Illinois, is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Hampshire in September?
What is the average humidity in September in Hampshire?
How many days does it rain in September in Hampshire?
When it does not snow in Hampshire?
Does it snow in Hampshire in September?
How many hours of daylight does Hampshire have in September?
When is the sunrise / sunset in September in Hampshire?
How long on average sun shines in September in Hampshire?
What is the UV index reading in September in Hampshire?
Average temperature in September
Hampshire, IL
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in September
Hampshire, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Hampshire, IL
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Hampshire, IL
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Hampshire, IL
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is November (0.39").
Average rainfall days in September
Hampshire, IL
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Hampshire, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hampshire, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hampshire, IL
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Hampshire, IL
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in September
Hampshire, IL
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Hampshire, IL
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in September
Hampshire, IL
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Hampshire, Illinois, USA
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