Nashua
New Hampshire, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Nashua, NH

The arched Main Street Bridge crossing over the iconic Nashua River in New Hampshire, cars, trees, and buildings on the other side, rain clouds looming
The arched Main Street Bridge crossing over the iconic Nashua River in New Hampshire, cars, trees, and buildings on the other side, rain clouds looming
The first month of the autumn, September, is also an agreeable month in Nashua, New Hampshire, with average temperature fluctuating between 49.3°F (9.6°C) and 73.2°F (22.9°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 81.1°F (27.3°C) in August, to an agreeable 73.2°F (22.9°C). The average low-temperature, in Nashua, is 49.3°F (9.6°C).

Rainfall

In Nashua, it is raining for 8.8 days, with typically 3.7" (94.5mm) of accumulated precipitation. Throughout the year, in Nashua, there are 120.8 rainfall days, and 48" (1218.5mm) of precipitation is accumulated.

Snowfall

In Nashua snow does not fall in May through October.

Daylight

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

What is the temperature in September in Nashua?

The average high-temperature, in September, in Nashua, New Hampshire, is 73.2°F (22.9°C), while the average low-temperature is 49.3°F (9.6°C).

How much does it rain in Nashua in September?

In Nashua, New Hampshire, in September, during 8.8 rainfall days, 3.7" (94.5mm) of precipitation is typically accumulated.

When it does not snow in Nashua?

In Nashua, New Hampshire, snow does not fall in May through October.

What is the average length of the day in September in Nashua?

The average length of the day in September is 12.5h.
Average temperature in September - Nashua, NH
  • Average high temperature in September: 73.3°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.2°F).

  • Average low temperature in September: 49.3°F

The month with the highest average low temperature is July (59.3°F).
The coldest month (with the lowest average low temperature) is January (12.3°F).

Average rainfall in September - Nashua, NH
  • Average rainfall in September: 3.7"

Wettest months (with the highest rainfall) are April, June and October (4.4").
Driest months (with the lowest rainfall) are January and February (3.4").

Average rainfall days in September - Nashua, NH
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is May (12 days).
The month with the lowest number of rainy days is February (8.5 days).

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

The month with the highest snowfall is January (16.5").
Months with the lowest snowfall are May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (5.7 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September - Nashua, NH
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).