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 brings a minor shift in the average high-temperature, adjusting from 83.8°F (28.8°C) in August to a still moderately hot 76.8°F (24.9°C). Gapland reports a consistent average low-temperature of 57.2°F (14°C) throughout September nights.Humidity
In September, the average relative humidity in Gapland is 77%.Rainfall
In Gapland, during September, the rain falls for 13.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Gapland, during the entire year, the rain falls for 163.3 days and collects up to 29.84" (758mm) of precipitation.Snowfall
May through October are months without snowfall in Gapland.Daylight
In September, the average length of the day in Gapland is 12h and 26min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:54 pm EDT.
Sunshine
In September, the average sunshine in Gapland is 9h.UV index
In Gapland, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the usual temperature for Gapland in September?
What is the average humidity in September in Gapland?
How many days does it rain in September in Gapland?
When it does not snow in Gapland?
What is the average length of the day in September in Gapland?
When are sunrise and sunset in September in Gapland?
How many hours of sunshine does Gapland have in September?
How high is the UV index in September in Gapland?
Average temperature in September
Gapland, MD
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Gapland, MD
- 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 (29.95"Hg).
Average wind speed in September
Gapland, MD
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Gapland, MD
- Average humidity in September: 77%
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
Gapland, MD
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in September
Gapland, MD
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in September
Gapland, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Gapland, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.9 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
Gapland, MD
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in September
Gapland, MD
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Gapland, MD
- 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, November and December (UV index 2).
Average cloud cover in September
Gapland, MD
- Average cloud cover in September: 37
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Gapland, MD
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
Gapland, Maryland, USA
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