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 Cass, September's average high-temperature stands at a pleasant 69.4°F (20.8°C), closely related to the preceding month. Cass, during September, witnesses an average low-temperature of 49.6°F (9.8°C).Humidity
In Cass, the average relative humidity in September is 83%.Rainfall
In Cass, during September, the rain falls for 14.6 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Cass, West Virginia, during the entire year, the rain falls for 153.4 days and collects up to 23.23" (590mm) of precipitation.Snowfall
In Cass, snow does not fall in June through September.Daylight
In September, the average length of the day in Cass is 12h and 25min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:49 pm. On the last day of September, in Cass, West Virginia, sunrise is at 7:15 am and sunset at 7:03 pm EDT.
Sunshine
In Cass, the average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September in Cass is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Cass in September?
What is the average humidity in September in Cass?
How many days does it rain in September in Cass?
When it does not snow in Cass?
Does it snow in Cass in September?
How many hours of daylight does Cass have in September?
What time are sunrise and sunset in September in Cass?
How long on average sun shines in September in Cass?
What is the UV index reading in September in Cass?
Average temperature in September
Cass, WV
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Cass, 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
Cass, WV
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Cass, WV
- Average humidity in September: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).
Average rainfall in September
Cass, WV
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in September
Cass, WV
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Cass, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cass, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cass, 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: 7h and 3min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Cass, WV
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in September
Cass, WV
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Cass, WV
- Average cloud cover in September: 51
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).
Average visibility in September
Cass, WV
- Average visibility in September: 4mi
The months with the highest visibility are April and November (5mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (4mi).
Cass, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location