Weather in Town of Somerville in September

General weather information about Town of Somerville

Average annual temperature is 8.6 °C

Absolute maximum temperature: 31.8 °C

Absolute minimum temperature: -29.4 °C

Number of sunny days: 152 days

Number of rainy days: 185 days

Number of snow days: 28 days

* Weather data for Town of Somerville United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	9.5	11.2	10.6	23.4	29.7	31.8	30.2	26.1	30.3	26.2	14.1	13.3
Average daytime temperature (°C)	2.7	1.0	5.1	12.0	18.3	20.3	25.8	22.8	22.4	16.5	6.3	4.1
Average temperature (°C)	-1.2	-4.5	0.5	6.8	12.5	15.7	21.6	18.8	17.6	12.2	2.1	0.4
Average night temperature (°C)	-4.6	-9.3	-3.6	2.8	7.6	12.2	18.4	15.5	14.0	9.0	-1.1	-2.6
Absolute minimum temperature (°C)	-10.7	-29.4	-10.4	-4.5	1.7	6.4	13.6	11.7	8.1	0.5	-6.6	-11.5

The best time to visit Town of Somerville during the most sunny months:

Months with the longest average daylight duration in Town of Somerville:

The largest precipitation sum in Town of Somerville is at

January — 181(mm)

June — 182(mm)

July — 206(mm)

December — 169(mm)

When is the best time to visit Town of Somerville?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Town of Somerville.

What is the weather like in Town of Somerville?

See average temperature, rainfall and daylight hours for Town of Somerville by month in the table above.

How many sunny days does Town of Somerville have?

The monthly weather statistics above show sunshine and rainfall patterns for Town of Somerville throughout the year.