Weather in Egham in September

General weather information about Egham

Average annual temperature is 11.7 °C

Absolute maximum temperature: 31.6 °C

Absolute minimum temperature: -4.0 °C

Number of sunny days: 134 days

Number of rainy days: 231 days

Look at detailed online map of Egham

* Weather data for Egham United Kingdom is based on climate observations for 2026 year

Egham air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.013.615.117.520.929.027.124.931.623.514.913.8
Average daytime temperature (°C)8.19.810.413.217.223.221.021.423.117.010.810.0
Average temperature (°C)5.36.27.68.912.818.017.317.318.213.37.97.9
Average night temperature (°C)2.22.94.74.68.412.813.413.113.710.05.15.5
Absolute minimum temperature (°C)-4.0-2.7-3.1-0.45.17.79.510.38.52.5-2.4-3.3

Egham monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.410.011.913.915.616.516.114.612.610.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.14.54.47.610.012.410.19.98.86.54.32.4
Precipitation (mm)5715997429439878591028979
Sunny days15194913155813111111
Rainy days16927211815262317201920
Snow days000000000000

Egham - weather forecast by months

Egham weather in januaryEgham weather in februaryEgham weather in marchEgham weather in aprilEgham weather in mayEgham weather in juneEgham weather in julyEgham weather in augustEgham weather in septemberEgham weather in octoberEgham weather in novemberEgham weather in december

Best time to visit Egham:

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

  • May — 10.0(h)
  • June — 12.4(h)
  • July — 10.1(h)
  • August — 9.9(h)

Months with the longest average daylight duration in Egham:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.1(h)

The largest precipitation sum in Egham is at

  • March — 99(mm)
  • July — 98(mm)
  • October — 102(mm)
  • November — 89(mm)

    • Weather forecast in the closest to Egham admin centers

    Weather forecast in the closest towns to Egham

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    Frequently asked questions

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