September weather forecast and climate
Pittsfield, NH

The first month of the autumn, September, is still a pleasant month in Pittsfield, New Hampshire, with average temperature fluctuating between 70.5°F (21.4°C) and 51.6°F (10.9°C).

Temperature

In Pittsfield, the average high-temperature slightly decreases, from a warm 78.4°F (25.8°C) in August, to a pleasant 70.5°F (21.4°C). In Pittsfield, the average low-temperature is 51.6°F (10.9°C).

Humidity

The average relative humidity in Pittsfield is 79%.

Rainfall

September is the month with the least rainfall in Pittsfield. Rain falls for 11.2 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

In Pittsfield snow does not fall in June through September.

Daylight

The average length of the day in September is 12.5h.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index in Pittsfield is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Pittsfield?

The average high-temperature, in September, is 70.5°F (21.4°C), while the average low-temperature is 51.6°F (10.9°C).

What is the average humidity in September in Pittsfield?

In Pittsfield, New Hampshire, the average relative humidity in September is 79%.

How much does it rain in Pittsfield in September?

In September, in Pittsfield, the rain falls for 11.2 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

What is the driest month in Pittsfield?

The month with the least rainfall in Pittsfield, New Hampshire, is September when the rain falls for 11.2 days and typically collects 1.57" (40mm) of precipitation.

Does it snow in Pittsfield in September?

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

When it does not snow in Pittsfield?

June through September are months without snowfall in Pittsfield.

How many hours of daylight does Pittsfield have in September?

In Pittsfield, New Hampshire, the average length of the day in September is 12.5h.

How long on average sun shines in September in Pittsfield?

In September, the average sunshine in Pittsfield, New Hampshire, is 8.4h.

What is the UV index intensity in September in Pittsfield?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Pittsfield, NH
  • Average high temperature in September: 21.4°C

The warmest month (with the highest average high temperature) is July (26.6°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in September: 10.9°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is January (-9.3°C).

Average pressure in September - Pittsfield, NH
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

Average wind speed in September - Pittsfield, NH
  • Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is January (12.7km/h).
The calmest months (with the lowest average wind speed) are July and August (7.8km/h).

Average humidity in September - Pittsfield, NH
  • Average humidity in September: 79%

Months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September - Pittsfield, NH
  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is October (81mm).
The driest month (with the least rainfall) is September (40mm).

Average rainfall days in September - Pittsfield, NH
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in September - Pittsfield, NH
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (200mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (10.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Pittsfield, NH
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in September: 8.4h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in September - Pittsfield, NH
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is March (13.1 days).

Average UV index in September - Pittsfield, NH
  • Average UV index in September: 4

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September - Pittsfield, NH
  • Average cloud cover in September: 37

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September - Pittsfield, NH
  • Average visibility in September: 8km

The month with the highest visibility is April (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (8km).