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
Union Mills signifies an average high-temperature of a still moderately hot 73.4°F (23°C) in September, closely mirroring the 78.6°F (25.9°C) of August. During the nights in September, Union Mills experiences a consistent average temperature of 56.3°F (13.5°C).Humidity
In Union Mills, the average relative humidity in September is 79%.Rainfall
In Union Mills, in September, during 13 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 154.3 rainfall days, and 26.69" (678mm) of precipitation is accumulated.Snowfall
In Union Mills, snow does not fall in June through September.Daylight
The average length of the day in September in Union Mills is 12h and 28min.On the first day of September in Union Mills, sunrise is at 6:14 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:30 pm CDT.
Sunshine
In September, the average sunshine in Union Mills, Indiana, is 8.2h.UV index
In Union Mills, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Union Mills in September?
What is the average humidity in September in Union Mills?
How many days does it rain in September in Union Mills?
When it does not snow in Union Mills?
Does it snow in Union Mills in September?
How many hours of daylight does Union Mills have in September?
When is the sunrise / sunset in September in Union Mills?
How long on average sun shines in September in Union Mills?
What is the UV index reading in September in Union Mills?
Average temperature in September
Union Mills, IN
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Union Mills, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Union Mills, IN
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Union Mills, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Union Mills, IN
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Union Mills, IN
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Union Mills, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Union Mills, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Union Mills, 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 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Union Mills, IN
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in September
Union Mills, 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
Union Mills, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Union Mills, IN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Union Mills, Indiana, USA
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