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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from a warm 84.7°F (29.3°C) in August to a still moderately hot 79.3°F (26.3°C). Throughout the month of September, the nighttime temperature in Velpen dips to an average of 60.1°F (15.6°C).Humidity
In September, the average relative humidity in Velpen, Indiana, is 74%.Rainfall
The month with the least rainfall in Velpen is September, when the rain falls for 12.9 days and typically collects 1.89" (48mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. September is the first month it typically snows in Velpen, Indiana. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Velpen, Indiana, there are 25.4 snowfall days, and 7.8" (198mm) of snow is accumulated.Daylight
The average length of the day in September in Velpen is 12h and 25min.On the first day of the month, sunrise is at 7:18 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:43 am and sunset at 7:32 pm EDT.
Sunshine
In Velpen, Indiana, the average sunshine in September is 8.4h.UV index
In Velpen, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Take necessary precautions - Defending against sun damage is advocated. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Velpen?
What is the average humidity in September in Velpen?
What is the driest month in Velpen?
How much does it rain in Velpen in September?
When does it start to snow in Velpen?
How many hours of daylight does Velpen have in September?
When are sunrise and sunset in September in Velpen?
How long on average sun shines in September in Velpen?
What is the UV index reading in September in Velpen?
Average temperature in September
Velpen, IN
- Average high temperature in September: 79.3°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 (37.9°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in September
Velpen, IN
- 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 (29.94"Hg).
Average wind speed in September
Velpen, IN
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Velpen, IN
- Average humidity in September: 74%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Velpen, IN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is April (4.84").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Velpen, IN
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in September
Velpen, IN
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Velpen, IN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Velpen, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Velpen, IN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in September
Velpen, 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
Velpen, IN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Velpen, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).
Velpen, Indiana, USA
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