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
A minor decrease in the average high-temperature is observed during September, shifting from a tropical 87.1°F (30.6°C) in August to a warm 80.4°F (26.9°C). During the month of September, Gladstone experiences a steady low-temperature average of 60.1°F (15.6°C).Humidity
In September, the average relative humidity is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.61" (41mm) of precipitation.Snowfall
May through October are months without snowfall in Gladstone.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:46 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:59 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Gladstone, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September leads to these advisories:
Guard yourself - Precautionary measures against sun damage are advocated. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Gladstone?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Gladstone have in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Gladstone?
How high is the UV index in September?
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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