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 advent of September brings a slight shift in average high-temperature, moving from a moderately hot 78.8°F (26°C) in August to an agreeable 73.2°F (22.9°C). The average low-temperature during September nights is a fresh 55.2°F (12.9°C).Humidity
The average relative humidity in September is 80%.Rainfall
September and December are months with the least rain in Walnut Corners when the rain falls for 13.8 days and typically aggregates up to 1.77" (45mm) of rain.Snowfall
In Walnut Corners, Indiana, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of September in Walnut Corners, sunrise is at 7:09 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:25 pm EDT.
Sunshine
In Walnut Corners, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are the temperatures in Walnut Corners in September?
What is the average humidity in September in Walnut Corners?
What is the driest month in Walnut Corners?
How many days does it rain in September in Walnut Corners?
When it does not snow in Walnut Corners?
Does it snow in Walnut Corners in September?
What is the average length of the day in September in Walnut Corners?
When is the sunrise / sunset in September in Walnut Corners?
How many hours of sunshine does Walnut Corners have in September?
What is the UV index reading in September in Walnut Corners?
Average temperature in September
Walnut Corners, IN
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Walnut Corners, IN
- Average pressure in September: 30.04"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
Walnut Corners, IN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Walnut Corners, IN
- Average humidity in September: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Walnut Corners, IN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is April (3.78").
The driest months (with the least rainfall) are September and December (1.77").
Average rainfall days in September
Walnut Corners, IN
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (19.3 days).
The months with the least rainy days are January and February (7.9 days).
Average snowfall in September
Walnut Corners, IN
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Walnut Corners, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Walnut Corners, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Walnut Corners, IN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (14.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Walnut Corners, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Walnut Corners, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Walnut Corners, 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).
Walnut Corners, Indiana, USA
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