September weather forecastHereford, WV
September
Weather in September
September, the first month of the autumn in Hereford, is still a warm month, with an average temperature ranging between max 77.9°F (25.5°C) and min 57°F (13.9°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from 84.7°F (29.3°C) to a still moderately hot 77.9°F (25.5°C). Throughout the month of September, Hereford witnesses an average low-temperature of 57°F (13.9°C).Humidity
In Hereford, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall in Hereford. Rain falls for 10.8 days and accumulates 0.71" (18mm) of precipitation.Snowfall
In Hereford, snow does not fall in June through September.Daylight
In September, the average length of the day in Hereford is 12h and 26min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:10 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Hereford, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Put precautions into practice - Ensuring skin and eye safety is a necessity. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hereford, WV
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Hereford, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Hereford, WV
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Hereford, WV
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Hereford, WV
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in September
Hereford, WV
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in September
Hereford, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hereford, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hereford, WV
- Average daylight in September: 12h and 24min
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 30min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Hereford, WV
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Hereford, WV
- Average UV index in September: 4
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
Hereford, WV
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Hereford, WV
- 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).
