Weather in Neptun in September

General weather information about Neptun

Average annual temperature is 6.0 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -32.4 °C

Number of sunny days: 173 days

Number of rainy days: 138 days

Number of snow days: 54 days

Look at detailed online map of Neptun

* Weather data for Neptun Russia is based on climate observations for 2026 year

Neptun air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)0.51.611.823.630.729.333.931.524.519.710.92.7
Average daytime temperature (°C)-10.0-6.43.214.721.320.926.324.220.28.31.7-7.9
Average temperature (°C)-12.3-8.40.48.515.816.421.619.314.85.4-0.6-10.1
Average night temperature (°C)-14.6-11.2-2.92.19.210.116.013.79.02.4-3.9-13.0
Absolute minimum temperature (°C)-32.4-20.5-11.5-4.4-1.36.312.07.75.1-4.3-17.0-30.7

Neptun monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.013.015.017.017.017.016.013.011.09.07.0
Daylight mean duration (h)7.89.611.914.216.317.416.915.012.710.48.37.1
Daylight minimum duration (h)7.08.010.013.015.017.016.013.011.09.07.07.0
Sunshine mean duration (h)2.92.56.311.612.113.312.811.910.33.72.21.5
Precipitation (mm)2633478341141354749587
Sunny days20882419195182381110
Rainy days3215612112613721139
Snow days81880000002612

Neptun - weather forecast by months

Neptun weather in januaryNeptun weather in februaryNeptun weather in marchNeptun weather in aprilNeptun weather in mayNeptun weather in juneNeptun weather in julyNeptun weather in augustNeptun weather in septemberNeptun weather in octoberNeptun weather in novemberNeptun weather in december

Best time to visit Neptun:

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

  • April — 11.6(h)
  • May — 12.1(h)
  • June — 13.3(h)
  • July — 12.8(h)
  • August — 11.9(h)
  • September — 10.3(h)

Months with the longest average daylight duration in Neptun:

  • May — 16.3(h)
  • June — 17.4(h)
  • July — 16.9(h)

The largest precipitation sum in Neptun is at

  • October — 74(mm)
  • November — 95(mm)
  • December — 87(mm)

    • Weather forecast in the closest to Neptun admin centers

    Weather forecast in the closest towns to Neptun

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    Frequently asked questions

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