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 is characterized by a mild reduction in the average high-temperature, from a moderately hot 77.7°F (25.4°C) in August to a pleasant 70°F (21.1°C). Milton's temperature lowers to a mean of 51.1°F (10.6°C) during the nights in September.Humidity
The average relative humidity in September in Milton is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.46" (37mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Milton, 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, in Milton, sunrise is at 6:41 am and sunset at 6:26 pm EDT.
Sunshine
In Milton, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are September temperatures in Milton?
What is the average humidity in September in Milton?
What is the driest month in Milton?
How much does it rain in Milton in September?
When it does not snow in Milton?
Does it snow in Milton in September?
What is the average length of the day in September in Milton?
When is the sunrise / sunset in September in Milton?
How many hours of sunshine does Milton have in September?
How high is the UV index in September in Milton?
Average temperature in September
Milton, NH
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
Milton, 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 (29.91"Hg).
Average wind speed in September
Milton, NH
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in September
Milton, NH
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Milton, NH
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Milton, NH
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
Milton, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Milton, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Milton, NH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Milton, NH
- Average sunshine days in September: 16.9 days
The months with the most sunshine days are September and November (16.9 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in September
Milton, NH
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Milton, NH
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Milton, NH
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Milton, New Hampshire, USA
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