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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 76.5°F (24.7°C) to an agreeable 69.1°F (20.6°C). Redstone encounters a steady low-temperature average of 48°F (8.9°C) throughout the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Redstone. Rain falls for 10.4 days and accumulates 1.42" (36mm) of precipitation.Snowfall
In Redstone, snow does not fall in June through September.Daylight
The average length of the day in September in Redstone is 12h and 30min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:19 pm. On the last day of September, in Redstone, New Hampshire, sunrise is at 6:41 am and sunset at 6:26 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are the temperatures in Redstone in September?
What is the average humidity in September in Redstone?
What is the driest month in Redstone?
How many days does it rain in September in Redstone?
When it does not snow in Redstone?
Does it snow in Redstone in September?
How many hours of daylight does Redstone have in September?
When is the sunrise / sunset in September in Redstone?
How long on average sun shines in September in Redstone?
What is the UV index intensity in September in Redstone?
Average temperature in September
Redstone, NH
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in September: 48°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Redstone, 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
Redstone, NH
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is January (6.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Redstone, NH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in September
Redstone, NH
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Redstone, NH
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Redstone, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (11.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Redstone, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Redstone, 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 3min
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 24min).
Average sunshine days in September
Redstone, NH
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (10.6 days).
Average UV index in September
Redstone, NH
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Redstone, NH
- Average cloud cover in September: 38
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Redstone, NH
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Redstone, New Hampshire, USA
Weather forecast for your location
2. Allow the app to use your location
