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
September experiences an average high-temperature of a still moderately hot 74.1°F (23.4°C), barely different from August's 79°F (26.1°C). During September, the nighttime temperature in Leroy averages of 57°F (13.9°C).Humidity
In September, the average relative humidity in Leroy is 78%.Rainfall
In Leroy, in September, it is raining for 12.8 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, in Leroy, there are 151.5 rainfall days, and 21.18" (538mm) of precipitation is accumulated.Snowfall
In Leroy, snow does not fall in June through October.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:21 pm. On the last day of September, in Leroy, Indiana, sunrise is at 6:45 am and sunset at 6:32 pm CDT.
Sunshine
The average sunshine in September in Leroy is 8.5h.UV index
The average daily maximum UV index in September in Leroy, Indiana, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. It's recommended to limit sun exposure when its radiation is at its peak during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Leroy in September?
What is the average humidity in September in Leroy?
How many days does it rain in September in Leroy?
When it does not snow in Leroy?
How many hours of daylight does Leroy have in September?
What time are sunrise and sunset in September in Leroy?
How many hours of sunshine does Leroy have in September?
How high is the UV index in September in Leroy?
Average temperature in September
Leroy, IN
- Average high temperature in September: 74.1°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 (30.2°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Leroy, 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
Leroy, IN
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Leroy, IN
- Average humidity in September: 78%
The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Leroy, IN
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in September
Leroy, IN
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Leroy, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Leroy, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Leroy, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Leroy, IN
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Leroy, 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
Leroy, IN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Leroy, IN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Leroy, Indiana, USA
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