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 Franklin, entering September brings a subtle temperature decrement, reducing from August's moderately hot 77.9°F (25.5°C) to a pleasant 69.8°F (21°C). Franklin records an average temperature drop to a chilly 49.8°F (9.9°C) in September.Humidity
In Franklin, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Franklin. Rain falls for 11.1 days and accumulates 1.77" (45mm) of precipitation.Snowfall
In Franklin, snow does not fall in June through September.Daylight
In Franklin, the average length of the day in September is 12h and 29min.On the first day of September in Franklin, sunrise is at 6:11 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:28 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index in Franklin is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the UV index of 4 transforms into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Franklin in September?
What is the average humidity in September in Franklin?
What is the driest month in Franklin?
How much does it rain in Franklin in September?
When it does not snow in Franklin?
Does it snow in Franklin in September?
How many hours of daylight does Franklin have in September?
When are sunrise and sunset in September in Franklin?
How long on average sun shines in September in Franklin?
How high is the UV index in September in Franklin?
Average temperature in September
Franklin, NH
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in September
Franklin, 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 (29.91"Hg).
Average wind speed in September
Franklin, NH
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Franklin, NH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Franklin, NH
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Franklin, NH
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Franklin, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Franklin, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Franklin, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Franklin, NH
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is March (12.5 days).
Average UV index in September
Franklin, NH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Franklin, NH
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Franklin, NH
- Average visibility in September: 4mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Franklin, New Hampshire, USA
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