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
With September's arrival, Darlington's weather records an average high-temperature of a still warm 75.4°F (24.1°C), marking little difference from August's 79.9°F (26.6°C). In September, Darlington encounters an average low-temperature of 57.4°F (14.1°C) during the night.Humidity
In September, the average relative humidity is 78%.Rainfall
In Darlington, during September, the rain falls for 11.5 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Darlington, during the entire year, the rain falls for 144.1 days and collects up to 22.17" (563mm) of precipitation.Snowfall
In Darlington, snow does not fall in May through September.Daylight
In Darlington, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:18 pm. On the last day of September, sunrise is at 7:43 am and sunset at 7:30 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Darlington, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. 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 are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Darlington?
Does it snow in September?
How many hours of daylight does Darlington have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Darlington, IN
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Darlington, IN
- 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 (29.93"Hg).
Average wind speed in September
Darlington, IN
- Average wind speed in September: 7mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Darlington, IN
- Average humidity in September: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Darlington, IN
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in September
Darlington, IN
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (19.1 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in September
Darlington, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Darlington, IN
- 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
Darlington, IN
- 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 24min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Darlington, IN
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Darlington, IN
- Average UV index in September: 5
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, October, November and December (UV index 2).
Average cloud cover in September
Darlington, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Darlington, IN
- 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).
Darlington, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location