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 arrival of September brings an average high-temperature of a still moderately hot 74.7°F (23.7°C), closely following the temperature pattern of August. In Thornhope, the September nights cool down to an average low of 56.3°F (13.5°C).Humidity
The average relative humidity in September is 79%.Rainfall
In Thornhope, during September, the rain falls for 12.9 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Thornhope, during the entire year, the rain falls for 151.6 days and collects up to 21.26" (540mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Thornhope, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 7:13 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:29 pm EDT.
Sunshine
In Thornhope, the average sunshine in September is 8.1h.UV index
In Thornhope, Indiana, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Thornhope, IN
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Thornhope, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Thornhope, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Thornhope, IN
- Average humidity in September: 79%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Thornhope, IN
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in September
Thornhope, IN
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
Thornhope, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Thornhope, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Thornhope, IN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Thornhope, IN
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Thornhope, IN
- 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
Thornhope, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Thornhope, IN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Thornhope, Indiana, USA
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