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
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from 81.5°F (27.5°C) to a still warm 75.2°F (24°C). During the month of September, an average low-temperature of 57°F (13.9°C) is recorded in Hampstead.Humidity
In September, the average relative humidity in Hampstead is 79%.Rainfall
In Hampstead, in September, it is raining for 14.1 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 160.1 rainfall days, and 29.84" (758mm) of precipitation is accumulated.Snowfall
In Hampstead, snow does not fall in May through September.Daylight
The average length of the day in September in Hampstead is 12h and 26min.On the first day of September in Hampstead, sunrise is at 6:36 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.
Sunshine
In Hampstead, the average sunshine in September is 9h.UV index
In Hampstead, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the temperature in September in Hampstead?
What is the average humidity in September in Hampstead?
How much does it rain in Hampstead in September?
When it does not snow in Hampstead?
Does it snow in Hampstead in September?
What is the average length of the day in September in Hampstead?
When are sunrise and sunset in September in Hampstead?
How long on average sun shines in September in Hampstead?
What is the UV index intensity in September in Hampstead?
Average temperature in September
Hampstead, MD
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Hampstead, 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 (29.94"Hg).
Average wind speed in September
Hampstead, MD
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Hampstead, MD
- Average humidity in September: 79%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April, July and November (76%).
Average rainfall in September
Hampstead, MD
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in September
Hampstead, MD
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in September
Hampstead, MD
- 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
Hampstead, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hampstead, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Hampstead, MD
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in September
Hampstead, MD
- Average UV index in September: 4
The months with the highest UV index are 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
Hampstead, MD
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Hampstead, MD
- 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).
Hampstead, Maryland, USA
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