Weather in Baltimore in September

General weather information about Baltimore

Average annual temperature is 6.8 °C

Absolute maximum temperature: 32.9 °C

Absolute minimum temperature: -31.0 °C

Number of sunny days: 140 days

Number of rainy days: 180 days

Number of snow days: 45 days

Look at detailed online map of Baltimore

* Weather data for Baltimore Canada is based on climate observations for 2026 year

Baltimore air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.78.46.716.129.932.930.524.428.523.412.313.5
Average daytime temperature (°C)0.7-2.61.69.715.219.425.221.321.015.14.22.6
Average temperature (°C)-3.3-7.9-2.34.59.615.121.517.316.310.90.2-0.8
Average night temperature (°C)-6.7-13.4-5.80.05.011.618.114.112.67.8-3.3-4.0
Absolute minimum temperature (°C)-13.9-31.0-13.6-9.0-1.64.912.97.94.6-2.2-10.0-13.1

Baltimore monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.110.411.913.514.915.715.314.112.510.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.46.15.68.49.26.59.78.27.96.85.24.1
Precipitation (mm)2775394368820519018812515684106
Sunny days71310161485516121519
Rainy days118911172226261417118
Snow days13712300000244

Baltimore - weather forecast by months

Baltimore weather in januaryBaltimore weather in februaryBaltimore weather in marchBaltimore weather in aprilBaltimore weather in mayBaltimore weather in juneBaltimore weather in julyBaltimore weather in augustBaltimore weather in septemberBaltimore weather in octoberBaltimore weather in novemberBaltimore weather in december

Best time to visit Baltimore:

The best time to visit Baltimore during the most sunny months:

  • May — 9.2(h)
  • July — 9.7(h)

Months with the longest average daylight duration in Baltimore:

  • June — 15.7(h)
  • July — 15.3(h)

The largest precipitation sum in Baltimore is at

  • January — 277(mm)
  • June — 205(mm)
  • July — 190(mm)
  • August — 188(mm)

    • Weather forecast in the closest to Baltimore admin centers

    Weather forecast in the closest towns to Baltimore

    Explore Baltimore

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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