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
The advent of September brings a subtle shift in temperature, with the average high moving from a moderately hot 76.5°F (24.7°C) in August to an agreeable 69.1°F (20.6°C). Effingham Falls's temperature tends to fall to an average low of 48°F (8.9°C) during the nights of September.Humidity
In September, the average relative humidity in Effingham Falls is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.4 days and typically collects 1.42" (36mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Effingham Falls is 12h and 29min.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, sunrise is at 6:41 am and sunset at 6:26 pm EDT.
Sunshine
In September, the average sunshine in Effingham Falls is 8.5h.UV index
In September, the average daily maximum UV index in Effingham Falls is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the UV index of 3 transforms into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the temperature in September in Effingham Falls?
What is the average humidity in September in Effingham Falls?
What is the driest month in Effingham Falls?
How many days does it rain in September in Effingham Falls?
When it does not snow in Effingham Falls?
Does it snow in Effingham Falls in September?
How many hours of daylight does Effingham Falls have in September?
What time are sunrise and sunset in September in Effingham Falls?
How long on average sun shines in September in Effingham Falls?
How high is the UV index in September in Effingham Falls?
Average temperature in September
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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
Effingham Falls, 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).
Effingham Falls, New Hampshire, USA
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