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 start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 84.7°F (29.3°C) in August to a still moderately hot 78.6°F (25.9°C). During the month of September, Springfield's nighttime temperature lowers to an average of 59.7°F (15.4°C).Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Springfield, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:09 pm. On the last day of September, sunrise is at 7:36 am and sunset at 7:25 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Springfield is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in Springfield in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Springfield have in September?
What is the UV index intensity in September?
Average temperature in September
Springfield, KY
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Springfield, KY
- 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 (29.96"Hg).
Average wind speed in September
Springfield, KY
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Springfield, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (75%).
Average rainfall in September
Springfield, KY
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Springfield, KY
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Springfield, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Springfield, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 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
Springfield, KY
- 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: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Springfield, KY
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Springfield, KY
- 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, November and December (UV index 2).
Average cloud cover in September
Springfield, KY
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Springfield, KY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Springfield, Kentucky, USA
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