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
In Randolph, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 73.9°F (23.3°C) to a comfortable 66.6°F (19.2°C). During the nights in September, an average low-temperature of 46.2°F (7.9°C) is observed in Randolph.Humidity
The average relative humidity in September in Randolph is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 1.85" (47mm) of precipitation.Snowfall
In Randolph, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:27 pm EDT.
Sunshine
In Randolph, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Randolph, New Hampshire, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the temperature in September in Randolph?
What is the average humidity in September in Randolph?
What is the driest month in Randolph?
How many days does it rain in September in Randolph?
When it does not snow in Randolph?
Does it snow in Randolph in September?
How many hours of daylight does Randolph have in September?
What time are sunrise and sunset in September in Randolph?
How long on average sun shines in September in Randolph?
How high is the UV index in September in Randolph?
Average temperature in September
Randolph, NH
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in September: 46.2°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in September
Randolph, 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
Randolph, NH
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Randolph, NH
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Randolph, NH
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is October (3.43").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Randolph, NH
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Randolph, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (12.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Randolph, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Randolph, NH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Randolph, NH
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in September
Randolph, NH
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Randolph, NH
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Randolph, NH
- Average visibility in September: 4mi
The months with the highest visibility are May, June, July and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October and December (4mi).
Randolph, New Hampshire, USA
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