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 marks a gentle change in average high-temperature, declining from August's hot 87.1°F (30.6°C) to a warm 80.4°F (26.9°C). In Gladstone, the average temperature during the nights of September drops to a mild 60.1°F (15.6°C).Humidity
The average relative humidity in September in Gladstone, Virginia, is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.61" (41mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Gladstone is 12h and 25min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:59 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Gladstone in September?
What is the average humidity in September in Gladstone?
What is the driest month in Gladstone?
How much does it rain in Gladstone in September?
When it does not snow in Gladstone?
What is the average length of the day in September in Gladstone?
What time are sunrise and sunset in September in Gladstone?
How long on average sun shines in September in Gladstone?
What is the UV index reading in September in Gladstone?
Average temperature in September
Gladstone, VA
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Gladstone, VA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Gladstone, VA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Gladstone, VA
- Average humidity in September: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Gladstone, VA
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is February (2.6").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Gladstone, VA
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Gladstone, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Gladstone, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gladstone, VA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Gladstone, VA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Gladstone, VA
- Average UV index in September: 5
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
Gladstone, VA
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Gladstone, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Gladstone, Virginia, USA
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