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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from 80.1°F (26.7°C) in August to a still moderately hot 73.9°F (23.3°C). During the nights in September, Hillsboro records a pronounced shift from the daytime warmth, with a consistent average temperature of 51.4°F (10.8°C).Humidity
In September, the average relative humidity is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.7 days and typically collects 1.26" (32mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:51 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:04 pm EDT.
Sunshine
In Hillsboro, the average sunshine in September is 8.2h.UV index
In Hillsboro, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in Hillsboro in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Hillsboro, WV
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in September: 51.4°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Hillsboro, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Hillsboro, WV
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Hillsboro, WV
- Average humidity in September: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June and July (77%).
Average rainfall in September
Hillsboro, WV
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in September
Hillsboro, WV
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Hillsboro, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hillsboro, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hillsboro, WV
- 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 1min
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 30min).
Average sunshine days in September
Hillsboro, WV
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in September
Hillsboro, WV
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Hillsboro, WV
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 55).
The months with the least cloud cover are June and November (Cloud cover 39).
Average visibility in September
Hillsboro, WV
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (5mi).
The months with the lowest visibility are May, August and September (4mi).
Hillsboro, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location