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
Vernon in September undergoes a slight reduction in the average high-temperature, shifting from August's 83.5°F (28.6°C) to a still warm 77.5°F (25.3°C). Vernon records a consistent low-temperature of 58.3°F (14.6°C) during September nights.Humidity
In September, the average relative humidity in Vernon, Indiana, is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.61" (41mm) of precipitation.Snowfall
In Vernon, Indiana, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:11 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the usual temperature for Vernon in September?
What is the average humidity in September in Vernon?
What is the driest month in Vernon?
How many days does it rain in September in Vernon?
When it does not snow in Vernon?
Does it snow in Vernon in September?
What is the average length of the day in September in Vernon?
When are sunrise and sunset in September in Vernon?
How many hours of sunshine does Vernon have in September?
How high is the UV index in September in Vernon?
Average temperature in September
Vernon, IN
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Vernon, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Vernon, IN
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January, February and April (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Vernon, IN
- Average humidity in September: 76%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Vernon, IN
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Vernon, IN
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Vernon, IN
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Vernon, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 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
Vernon, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Vernon, IN
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in September
Vernon, 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, November and December (UV index 2).
Average cloud cover in September
Vernon, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Vernon, IN
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, June, October and November (6mi).
The months with the lowest visibility are February, May, July, August, September and December (5mi).
Vernon, Indiana, USA
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