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
A subtle shift in Northfield's weather is observed as August turns into September, with the average high temperature reducing from 85.8°F (29.9°C) to a still warm 79.5°F (26.4°C). Northfield's temperature drops to an average low of 60.1°F (15.6°C) during the nights of September.Humidity
In September, the average relative humidity in Northfield is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.1 days and typically collects 2.17" (55mm) of precipitation.Snowfall
In Northfield, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:12 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine in Northfield is 8.5h.UV index
In Northfield, Kentucky, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the temperature in September in Northfield?
What is the average humidity in September in Northfield?
What is the driest month in Northfield?
How many days does it rain in September in Northfield?
When it does not snow in Northfield?
What is the average length of the day in September in Northfield?
What time are sunrise and sunset in September in Northfield?
How long on average sun shines in September in Northfield?
What is the UV index intensity in September in Northfield?
Average temperature in September
Northfield, KY
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Northfield, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Northfield, KY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Northfield, KY
- Average humidity in September: 74%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in September
Northfield, KY
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Northfield, KY
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in September
Northfield, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Northfield, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 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
Northfield, KY
- 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: 8h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in September
Northfield, KY
- Average sunshine days in September: 13 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in September
Northfield, KY
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Northfield, KY
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Northfield, KY
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Northfield, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location
