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's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 79.7°F (26.5°C) in August to an agreeable 71.6°F (22°C). Goffstown throughout September, records an average low-temperature of 52°F (11.1°C).Humidity
In September, the average relative humidity is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.7 days and typically collects 1.46" (37mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:20 pm. On the last day of September, in Goffstown, sunrise is at 6:43 am and sunset at 6:28 pm EDT.
Sunshine
In Goffstown, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the usual temperature for Goffstown in September?
What is the average humidity in September in Goffstown?
What is the driest month in Goffstown?
How many days does it rain in September in Goffstown?
When it does not snow in Goffstown?
Does it snow in Goffstown in September?
What is the average length of the day in September in Goffstown?
When are sunrise and sunset in September in Goffstown?
How long on average sun shines in September in Goffstown?
How high is the UV index in September in Goffstown?
Average temperature in September
Goffstown, NH
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
Goffstown, NH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Goffstown, NH
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Goffstown, NH
- Average humidity in September: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Goffstown, NH
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Goffstown, NH
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Goffstown, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Goffstown, 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
Goffstown, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Goffstown, NH
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is March (12.9 days).
Average UV index in September
Goffstown, NH
- 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, March, November and December (UV index 2).
Average cloud cover in September
Goffstown, NH
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Goffstown, NH
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Goffstown, New Hampshire, USA
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