September weather forecast
Meriden, NH

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Weather in September

The first month of the autumn, September, is still a pleasant month in Meriden, New Hampshire, with an average temperature ranging between max 68.7°F (20.4°C) and min 48.4°F (9.1°C).

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 76.5°F (24.7°C) to a pleasant 68.7°F (20.4°C). Meriden encounters an average low-temperature of 48.4°F (9.1°C) during September nights.

Humidity

The average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 6:13 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:31 pm EDT.

Sunshine

In Meriden, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 3 during September leads to these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What is the temperature in September in Meriden?

Meriden in September has an average high-temperature of 68.7°F (20.4°C) and an average low-temperature of 48.4°F (9.1°C).

What is the average humidity in September?

The average relative humidity in September is 80%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.77" (45mm) of precipitation.

How much does it rain in Meriden in September?

In September, the rain falls for 11.3 days. Throughout September, 1.77" (45mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Meriden, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Meriden have in September?

The average day length in September is 12h and 29min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:13 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:31 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.3h.

What is the UV index reading in September?

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Meriden, NH

Average temperature in September - Meriden, NH
  • Average high temperature in September: 68.7°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in September: 48.4°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 (12.4°F).

Average pressure in September
Meriden, NH

Average pressure in September - Meriden, 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
Meriden, NH

Average wind speed in September - Meriden, NH
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Meriden, NH

Average humidity in September - Meriden, NH
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).

Average rainfall in September
Meriden, NH

Average rainfall in September - Meriden, NH
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in September
Meriden, NH

Average rainfall days in September - Meriden, NH
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in September
Meriden, NH

Average snowfall in September - Meriden, NH
  • Average snowfall in September: 0"

The month with the highest snowfall is February (9.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Meriden, NH

Average snowfall days in September - Meriden, NH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Meriden, NH

Average daylight in September / Average sunshine in September - Meriden, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in September
Meriden, NH

Average sunshine days in September - Meriden, NH
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is March (9.7 days).

Average UV index in September
Meriden, NH

Average UV index in September - Meriden, NH
  • Average UV index in September: 3

The months with the highest UV index are May, 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
Meriden, NH

Average cloud cover in September - Meriden, NH
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Meriden, NH

Average visibility in September - Meriden, NH
  • Average visibility in September: 4mi

The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).

Meriden, New Hampshire, USA

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