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
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's moderately hot 81.9°F (27.7°C) to a still warm 75.2°F (24°C). Throughout the month of September, Mathias sees a steady low-temperature average of 54.3°F (12.4°C).Humidity
In September, the average relative humidity in Mathias is 78%.Rainfall
In Mathias, during September, the rain falls for 12.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Mathias, during the entire year, the rain falls for 147.6 days and collects up to 21.02" (534mm) of precipitation.Snowfall
In Mathias, West Virginia, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:45 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:59 pm EDT.
Sunshine
In Mathias, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sun damage is advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the temperature in September in Mathias?
What is the average humidity in September in Mathias?
How much does it rain in Mathias in September?
When it does not snow in Mathias?
Does it snow in Mathias in September?
What is the average length of the day in September in Mathias?
When are sunrise and sunset in September in Mathias?
How long on average sun shines in September in Mathias?
What is the UV index reading in September in Mathias?
Average temperature in September
Mathias, WV
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in September
Mathias, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Mathias, WV
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Mathias, WV
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in September
Mathias, WV
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in September
Mathias, WV
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Mathias, WV
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mathias, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mathias, 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 30min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Mathias, WV
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Mathias, WV
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mathias, WV
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Mathias, WV
- Average visibility in September: 5mi
The months with the highest visibility are January, February, April, June, July, November and December (6mi).
The months with the lowest visibility are March, May, August, September and October (5mi).
Mathias, West Virginia, USA
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