Weather in Mannheim in September

General weather information about Mannheim

Average annual temperature is 12.6 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: -5.2 °C

Number of sunny days: 138 days

Number of rainy days: 222 days

Number of snow days: 5 days

Look at detailed online map of Mannheim

* Weather data for Mannheim Germany is based on climate observations for 2026 year

Mannheim air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.914.018.921.226.032.035.531.529.825.715.612.4
Average daytime temperature (°C)6.98.211.813.620.327.126.224.725.218.19.97.4
Average temperature (°C)4.74.47.69.415.421.821.420.219.113.77.45.4
Average night temperature (°C)2.31.33.74.910.115.516.315.913.79.84.83.3
Absolute minimum temperature (°C)-4.3-5.2-3.3-1.45.111.512.111.48.62.2-2.7-4.5

Mannheim monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.710.111.913.715.416.215.814.412.610.89.18.2
Daylight minimum duration (h)8.09.010.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)2.65.96.48.611.313.711.59.610.46.53.92.3
Precipitation (mm)5827109907016941163211913398
Sunny days9145715241111211425
Rainy days1913262316620209172825
Snow days310000000001

Best time to visit Mannheim:

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

  • May — 11.3(h)
  • June — 13.7(h)
  • July — 11.5(h)
  • September — 10.4(h)

Months with the longest average daylight duration in Mannheim:

  • May — 15.4(h)
  • June — 16.2(h)
  • July — 15.8(h)

The largest precipitation sum in Mannheim is at

  • March — 109(mm)
  • August — 116(mm)
  • October — 119(mm)
  • November — 133(mm)