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
During the shift to September, Madbury records a mild decrease in average high-temperature, moving from a warm 76.8°F (24.9°C) in August to a pleasant 69.6°F (20.9°C). Madbury experiences a steady low-temperature of 55°F (12.8°C) throughout September.Humidity
In Madbury, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.46" (37mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Madbury, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:26 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Madbury?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Madbury have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Madbury, NH
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Madbury, NH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Madbury, NH
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Madbury, NH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (80%).
The months with the lowest relative humidity are April and November (75%).
Average rainfall in September
Madbury, NH
- Average rainfall in September: 1.46"
The wettest months (with the highest rainfall) are October and December (2.87").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Madbury, NH
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Madbury, NH
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Madbury, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.7 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
Madbury, NH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Madbury, NH
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in September
Madbury, NH
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Madbury, NH
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Madbury, NH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Madbury, New Hampshire, USA
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