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 arrival of September suggests a slight decrease in the average high-temperature, moving from 84.7°F (29.3°C) in August to a still warm 78.8°F (26°C). Throughout September, Heidrick registers a consistent average low-temperature of 57.4°F (14.1°C).Humidity
In September, the average relative humidity in Heidrick is 77%.Rainfall
The month with the least rainfall in Heidrick, Kentucky, is September, when the rain falls for 14.1 days and typically collects 2.2" (56mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:03 pm. On the last day of September, in Heidrick, sunrise is at 7:30 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine in Heidrick is 8.3h.UV index
In September, the average daily maximum UV index in Heidrick is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Heidrick?
What is the average humidity in September in Heidrick?
What is the driest month in Heidrick?
How many days does it rain in September in Heidrick?
When it does not snow in Heidrick?
Does it snow in Heidrick in September?
What is the average length of the day in September in Heidrick?
What time are sunrise and sunset in September in Heidrick?
How long on average sun shines in September in Heidrick?
How high is the UV index in September in Heidrick?
Average temperature in September
Heidrick, KY
- Average high temperature in September: 78.8°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Heidrick, KY
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Heidrick, KY
- Average wind speed in September: 4.2mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Heidrick, KY
- Average humidity in September: 77%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (76%).
Average rainfall in September
Heidrick, KY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Heidrick, KY
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in September
Heidrick, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Heidrick, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heidrick, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Heidrick, KY
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Heidrick, KY
- 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
Heidrick, KY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Heidrick, KY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Heidrick, Kentucky, USA
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