Weather in Township of Haddam in September

General weather information about Township of Haddam

Average annual temperature is 13.5 °C

Absolute maximum temperature: 40.2 °C

Absolute minimum temperature: -15.7 °C

Number of sunny days: 230 days

Number of rainy days: 119 days

Number of snow days: 16 days

Look at detailed online map of Township of Haddam

* Weather data for Township of Haddam United States is based on climate observations for 2026 year

Township of Haddam air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.316.923.229.632.635.839.340.236.433.122.916.4
Average daytime temperature (°C)4.48.510.720.926.430.331.532.829.620.213.27.6
Average temperature (°C)-0.41.24.312.919.724.225.426.423.014.57.33.0
Average night temperature (°C)-3.9-3.8-0.46.613.918.420.421.017.39.62.8-0.5
Absolute minimum temperature (°C)-14.7-15.7-8.6-3.64.712.615.014.311.1-5.6-5.3-5.2

Township of Haddam monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.710.712.013.314.414.914.713.712.511.210.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)6.48.48.210.511.312.711.911.810.38.07.25.3
Precipitation (mm)36382264196975634592343
Sunny days232121231614102024172219
Rainy days44871516211161368
Snow days432000000124

Township of Haddam - weather forecast by months

Township of Haddam weather in januaryTownship of Haddam weather in februaryTownship of Haddam weather in marchTownship of Haddam weather in aprilTownship of Haddam weather in mayTownship of Haddam weather in juneTownship of Haddam weather in julyTownship of Haddam weather in augustTownship of Haddam weather in septemberTownship of Haddam weather in octoberTownship of Haddam weather in novemberTownship of Haddam weather in december

Best time to visit Township of Haddam:

The best time to visit Township of Haddam during the most sunny months:

  • June — 12.7(h)
  • July — 11.9(h)
  • August — 11.8(h)

The largest precipitation sum in Township of Haddam is at

  • June — 96(mm)
  • July — 97(mm)
  • October — 59(mm)

    • Weather forecast in the closest to Township of Haddam admin centers

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    Frequently asked questions

    When is the best time to visit Township of Haddam?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Township of Haddam.
    What is the weather like in Township of Haddam?
    See average temperature, rainfall and daylight hours for Township of Haddam by month in the table above.
    How many sunny days does Township of Haddam have?
    The monthly weather statistics above show sunshine and rainfall patterns for Township of Haddam throughout the year.