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
In September, the meteorological conditions change slightly, with the average high-temperature moving from 85.8°F (29.9°C) in August to a still warm 79.9°F (26.6°C). Throughout September, Hartford encounters an average temperature drop to an enjoyable 61.2°F (16.2°C).Humidity
The average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall in Hartford. Rain falls for 12.6 days and accumulates 1.22" (31mm) of precipitation.Snowfall
In Hartford, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:31 pm CDT.
Sunshine
In September, the average sunshine in Hartford is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Exercise prevention - Warding off sunburn is urged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What are September temperatures in Hartford?
What is the average humidity in September in Hartford?
What is the driest month in Hartford?
How much does it rain in Hartford in September?
When it does not snow in Hartford?
Does it snow in Hartford in September?
What is the average length of the day in September in Hartford?
When are sunrise and sunset in September in Hartford?
How long on average sun shines in September in Hartford?
How high is the UV index in September in Hartford?
Average temperature in September
Hartford, KY
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in September
Hartford, KY
- 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
Hartford, KY
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Hartford, KY
- Average humidity in September: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Hartford, KY
- Average rainfall in September: 1.22"
The wettest months (with the highest rainfall) are February and April (2.68").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in September
Hartford, KY
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Hartford, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hartford, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 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
Hartford, 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 36min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Hartford, KY
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (12 days).
Average UV index in September
Hartford, 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
Hartford, KY
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in September
Hartford, KY
- 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).
Hartford, Kentucky, USA
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