September weather forecast
Budapest, Hungary

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The majestic Buda Castle Royal Palace in Budapest, Hungary, with a view of the Szecheny Chain Bridge and the rest of the vast city
The majestic Buda Castle Royal Palace in Budapest, Hungary, with a view of the Szecheny Chain Bridge and the rest of the vast city

Weather in September

The arrival of September ushers in the first signs of autumn in Budapest. Having the least amount of rainfall, 17mm (0.67"), this month marks a transition from hot summer days to milder weather. Despite the shift, it is still warm enough to lounge by the Danube River or roam around the city's illustrious architectural sites. Autumnal colours start to paint the cityscape, adding a magical charm to its already enchanting aura. With lesser tourists flocking in this period, you can enjoy a quieter, calmer Budapest in September.

Temperature

A moderate decline in the average high-temperature is seen in Budapest during September, decreasing from a moderately hot 28.8°C (83.8°F) in August to an agreeable 22.5°C (72.5°F). Throughout September, Budapest encounters an average temperature drop to a moderate 13.3°C (55.9°F).

Humidity

In September, the average relative humidity in Budapest is 61%.

Rainfall

The month with the least rainfall is September, when the rain falls for 6.8 days and typically collects 17mm (0.67") of precipitation.

Snowfall

In Budapest, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 34min.
On the first day of September in Budapest, sunrise is at 06:03 and sunset at 19:24. On the last day of the month, sunrise is at 06:42 and sunset at 18:25 CEST.

Sunshine

In September, the average sunshine is 9.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the temperature in September in Budapest?

In Budapest, 22.5°C (72.5°F) is the average high-temperature and 13.3°C (55.9°F) is the average low-temperature during September. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 30°C (86°F).

What is the average humidity in September in Budapest?

In Budapest, the average relative humidity in September is 61%.

What is the driest month in Budapest?

The month with the least rainfall is September, when the rain falls for 6.8 days and typically collects 17mm (0.67") of precipitation.

How many days does it rain in September in Budapest?

In Budapest, Hungary, in September, it is raining for 6.8 days, with typically 17mm (0.67") of accumulated precipitation.

When it does not snow in Budapest?

May through September are months without snowfall in Budapest.

Does it snow in Budapest in September?

In Budapest, Hungary, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Budapest?

In Budapest, Hungary, the average day length in September is 12h and 34min.

When is the sunrise / sunset in September in Budapest?

In September, on the first day of the month, sunrise is at 06:03 and sunset at 19:24. On the last day of the month, in Budapest, sunrise is at 06:42 and sunset at 18:25 CEST.

How long on average sun shines in September in Budapest?

The average sunshine duration in September is 9.3h.

What is the UV index reading in September in Budapest?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Budapest, Hungary

Average temperature in September - Budapest, Hungary
  • Average high temperature in September: 22.5°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (1.9°C).

  • Average low temperature in September: 13.3°C

The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is January (-2.7°C).

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Average pressure in September
Budapest, Hungary

Average pressure in September - Budapest, Hungary
  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

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Average wind speed in September
Budapest, Hungary

Average wind speed in September - Budapest, Hungary
  • Average wind speed in September: 10.1km/h

The windiest month (with the highest average wind speed) is March (12.6km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).

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Average humidity in September
Budapest, Hungary

Average humidity in September - Budapest, Hungary
  • Average humidity in September: 61%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in September
Budapest, Hungary

Average rainfall in September - Budapest, Hungary
  • Average rainfall in September: 17mm

The wettest month (with the highest rainfall) is May (39mm).
The driest month (with the least rainfall) is September (17mm).

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Average rainfall days in September
Budapest, Hungary

Average rainfall days in September - Budapest, Hungary
  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is September (6.8 days).

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Average snowfall in September
Budapest, Hungary

Average snowfall in September - Budapest, Hungary
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (70mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in September
Budapest, Hungary

Average snowfall days in September - Budapest, Hungary
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Budapest, Hungary

Average daylight in September / Average sunshine in September - Budapest, Hungary
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in September
Budapest, Hungary

Average sunshine days in September - Budapest, Hungary
  • Average sunshine days in September: 22 days

The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is February (13.1 days).

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Average UV index in September
Budapest, Hungary

Average UV index in September - Budapest, Hungary
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

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Average cloud cover in September
Budapest, Hungary

Average cloud cover in September - Budapest, Hungary
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in September
Budapest, Hungary

Average visibility in September - Budapest, Hungary
  • Average visibility in September: 10km

The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).

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Budapest, Hungary

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