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
With the arrival of September, Jackson notices a mild change in the average high-temperature, sliding from August's warm 74.8°F (23.8°C) to a comfortable 67.6°F (19.8°C). In Jackson, the nighttime temperature averages to a chilly 47.3°F (8.5°C) during September.Humidity
In Jackson, New Hampshire, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 6.6 days and typically collects 0.39" (10mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:20 pm. On the last day of September, in Jackson, sunrise is at 6:42 am and sunset at 6:26 pm EDT.
Sunshine
The average sunshine in September in Jackson, New Hampshire, is 8.6h.UV index
In September, the average daily maximum UV index in Jackson is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What is the temperature in September in Jackson?
What is the average humidity in September in Jackson?
What is the driest month in Jackson?
How many days does it rain in September in Jackson?
When it does not snow in Jackson?
Does it snow in Jackson in September?
What is the average length of the day in September in Jackson?
When are sunrise and sunset in September in Jackson?
How long on average sun shines in September in Jackson?
How high is the UV index in September in Jackson?
Average temperature in September
Jackson, NH
- Average high temperature in September: 67.6°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Jackson, 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
Jackson, NH
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Jackson, NH
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Jackson, NH
- Average rainfall in September: 0.39"
The wettest months (with the highest rainfall) are April and October (1.46").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in September
Jackson, NH
- Average rainfall days in September: 6.6 days
The months with the highest number of rainy days are May and July (10.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Jackson, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Jackson, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jackson, 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: 8h and 54min).
- Average sunshine in September: 8h and 4min
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
Jackson, NH
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (18.2 days).
Average UV index in September
Jackson, 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 February and December (UV index 1).
Average cloud cover in September
Jackson, NH
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Jackson, NH
- Average visibility in September: 4mi
The months with the highest visibility are April, May, June, July, August, November and December (5mi).
The months with the lowest visibility are January, February, March, September and October (4mi).
Jackson, New Hampshire, USA
Weather forecast for your location
2. Allow the app to use your location
