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
As September takes its course, Hepburn's average high-temperature registers at a still moderately hot 79.7°F (26.5°C), closely aligning with the preceding month. During the nights in September, Hepburn observes an average low-temperature of 61.2°F (16.2°C).Humidity
The average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.85" (47mm) of precipitation.Snowfall
In Hepburn, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:21 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:35 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Hepburn, IN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Hepburn, 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 (29.95"Hg).
Average wind speed in September
Hepburn, IN
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in September
Hepburn, IN
- Average humidity in September: 73%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Hepburn, IN
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is April (5.28").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Hepburn, IN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in September
Hepburn, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hepburn, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 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
Hepburn, 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 36min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Hepburn, IN
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Hepburn, IN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Hepburn, IN
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Hepburn, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hepburn, Indiana, USA
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