September weather forecast
Valea Grajdului, Romania

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September

Weather in September

September, the first month of the autumn in Valea Grajdului, is still a pleasant month, with an average temperature varying between 11°C (51.8°F) and 22.3°C (72.1°F).

Temperature

The arrival of September signals a shift in temperature, down from a warm 27.3°C (81.1°F) in August to an agreeable 22.3°C (72.1°F). In Valea Grajdului, the September nights cool down to an average low of 11°C (51.8°F).

Humidity

The average relative humidity in September is 63%.

Rainfall

In September, in Valea Grajdului, the rain falls for 9.5 days. Throughout September, 21mm (0.83") of precipitation is accumulated. In Valea Grajdului, during the entire year, the rain falls for 131.1 days and collects up to 402mm (15.83") of precipitation.

Snowfall

May through September are months without snowfall in Valea Grajdului.

Daylight

In Valea Grajdului, the average length of the day in September is 12h and 34min.
On the first day of September, sunrise is at 06:31 and sunset at 19:54. On the last day of the month, sunrise is at 07:11 and sunset at 18:54 EEST.

Sunshine

In Valea Grajdului, Romania, the average sunshine in September is 9.6h.

UV index

In Valea Grajdului, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 4 during September translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Feb 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Valea Grajdului?
The average high-temperature, in September, in Valea Grajdului, is 22.3°C (72.1°F), while the average low-temperature is 11°C (51.8°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is appraised at 29°C (84.2°F).
What is the average humidity in September in Valea Grajdului?
In September, the average relative humidity in Valea Grajdului, Romania, is 63%.
How much does it rain in Valea Grajdului in September?
In September, in Valea Grajdului, Romania, the rain falls for 9.5 days. Throughout September, 21mm (0.83") of precipitation is accumulated.
When it does not snow in Valea Grajdului?
May through September are months without snowfall.
Does it snow in Valea Grajdului in September?
In Valea Grajdului, Romania, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Valea Grajdului?
In September, the average day length is 12h and 34min.
When is the sunrise / sunset in September in Valea Grajdului?
On the first day of September, sunrise is at 06:31 and sunset at 19:54. On the last day of the month, sunrise is at 07:11 and sunset at 18:54 EEST.
How long on average sun shines in September in Valea Grajdului?
In September, the average sunshine duration is 9.6h.
What is the UV index intensity in September in Valea Grajdului?
In Valea Grajdului, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASeptemberOND
Aug
September
Oct
Average high temperature
27.3°C
22.3°C
14.5°C
Average low temperature
14.8°C
11°C
6.4°C
Average pressure
1016.7mbar
1017.7mbar
1020.1mbar
Average wind speed
9.6km/h
10.3km/h
10.9km/h
Average max. wind speed
10.6km/h
11.4km/h
12km/h
Average wind speed gusts
14.8km/h
15.8km/h
17.3km/h
Average humidity
61%
63%
70%
Average rainfall
21mm
21mm
24mm
Average rainfall days
8.6
9.5
9.1
Average snowfall
0mm
0mm
5mm
Average snowfall days
0
0
0.5
Average daylight
14h 1min
12h 4min
10h 5min
Average sunshine
11h 1min
9h 4min
5h 5min
Average sunshine days
20.1
19
20.3
Average UV index
6
4
2
Average cloud cover
23%
30%
38%
Average visibility
10km
10km
10km
Average temperature in September
Valea Grajdului, Romania
  • Average high temperature in September: 22.3°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (-0.5°C).

  • Average low temperature in September: 11°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).

Average pressure in September
Valea Grajdului, Romania
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is October (1020.1mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in September
Valea Grajdului, Romania
  • Average wind speed in September: 10.3km/h

The windiest months (with the highest average wind speed) are March and April (12.8km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in September
Valea Grajdului, Romania
  • Average humidity in September: 63%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (61%).

Average rainfall in September
Valea Grajdului, Romania
  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is June (93mm).
The driest months (with the least rainfall) are January and November (19mm).

Average rainfall days in September
Valea Grajdului, Romania
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in September
Valea Grajdului, Romania
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (108mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Valea Grajdului, Romania
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Valea Grajdului, Romania
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in September
Valea Grajdului, Romania
  • Average sunshine days in September: 19 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is June (9.7 days).

Average UV index in September
Valea Grajdului, Romania
  • Average UV index in September: 4

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

Average cloud cover in September
Valea Grajdului, Romania
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in September
Valea Grajdului, Romania
  • Average visibility in September: 10km

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

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