Deva, Romania — Weather in September 2026

Monthly climate averages for Deva, Romania. Based on 10-year ERA5 reanalysis data.

Cfa Humid Subtropical
8.3 /10
Excellent

September is an excellent month in Deva

Climate Overview

Deva, Romania in September has warm conditions, with highs averaging 22.8°C (73°F). Temperatures drop noticeably between day and night.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 25°C (77°F) at the start to 20°C (67°F) by month's end.

Rainfall is heaviest during the last third of the month, while the middle tends to be drier.

Expect around 10.3h of sunshine at the start of September, decreasing to 7.8h by the end.

The warmest days tend to fall around the 1th, averaging 25.6°C (78°F).

Compared to August, this month is about 5°C cooler with 3 fewer rainy days. Temperatures begin dropping heading into October.

LIVE Current Weather Local Time
LIVE Air Quality

Monthly September Averages

Temperature
23°C / 13°C
Feels Like
22°C / 12°C
Rain
8 days · 52 mm
Sunshine
9.3h / day
Humidity
69% — Humid
Wind
10 km/h
Wind Direction
ENE (59°)
Gusts
28 km/h
Daylight
12.5 h
Cloud Cover
50%
Clear Sky Days
6.4
UV Index
4.6 — Moderate
Dew Point
12°C — Comfortable
Moon Phase
Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

32°C 28°C 24°C 20°C 16°C 12°C 8°C 4°C 151015202530
High Low

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 151015202530
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202530
Sunshine

Daily Wind Speed

0 4 8 12 16 20 151015202530
Wind Speed
Sun Position
Sunrise 07:06
Daylight 12.6h
Sunset 19:40

What to Expect

Daytime temperatures around 23°C (73°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
5°C / -2°C
Feels Like
2°C / -5°C
Rain
11days (44 mm) Wet
Sun
4.9h Fair
Humidity
79% Humid
UV
1.7 Low
Snow Days
11days
View Details
February
Poor
Temp
8°C / 0°C
Feels Like
5°C / -3°C
Rain
8days (42 mm) Wet
Sun
6.2h Fair
Humidity
75% Muggy
UV
2.5 Moderate
Snow Days
7days
View Details
March
Poor
Temp
12°C / 2°C
Feels Like
9°C / -1°C
Rain
11days (50 mm) Wet
Sun
8.1h Good
Humidity
70% Muggy
UV
3.8 Moderate
Snow Days
5days
View Details
April
Fair
Temp
17°C / 6°C
Feels Like
15°C / 4°C
Rain
11days (53 mm) Wet
Sun
10.1h Excellent
Humidity
68% Muggy
UV
5.1 High
Snow Days
2days
View Details
May
Good
Temp
20°C / 10°C
Feels Like
20°C / 9°C
Rain
15days (82 mm) Wet
Sun
10.7h Excellent
Humidity
73% Muggy
UV
6 High
View Details
June best
Excellent
Temp
26°C / 15°C
Feels Like
27°C / 16°C
Rain
15days (75 mm) Wet
Sun
12.3h Excellent
Humidity
71% Muggy
UV
6.7 High
View Details
July best
Excellent
Temp
27°C / 17°C
Feels Like
29°C / 18°C
Rain
13days (77 mm) Wet
Sun
12.3h Excellent
Humidity
66% Muggy
UV
6.7 High
View Details
August best
Excellent
Temp
28°C / 17°C
Feels Like
29°C / 18°C
Rain
11days (61 mm) Wet
Sun
11.6h Excellent
Humidity
64% Muggy
UV
6.2 High
View Details
September best
Excellent
Temp
23°C / 13°C
Feels Like
22°C / 12°C
Rain
8days (52 mm) Wet
Sun
9.3h Good
Humidity
69% Muggy
UV
4.6 Moderate
View Details
October best
Good
Temp
17°C / 7°C
Feels Like
15°C / 6°C
Rain
7days (37 mm) Good
Sun
7.2h Good
Humidity
75% Muggy
UV
3 Moderate
View Details
November
Poor
Temp
11°C / 4°C
Feels Like
9°C / 1°C
Rain
11days (54 mm) Wet
Sun
5.1h Fair
Humidity
82% Humid
UV
1.8 Low
Snow Days
3days
View Details
December
Poor
Temp
6°C / 0°C
Feels Like
3°C / -3°C
Rain
10days (52 mm) Wet
Sun
4.4h Fair
Humidity
83% Humid
UV
1.4 Low
Snow Days
9days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 5°C / -2°C 2°C / -5°C 11days (44 mm) Wet 4.9h Fair 79% Humid 1.7 Low Poor View Details
February 8°C / 0°C 5°C / -3°C 8days (42 mm) Wet 6.2h Fair 75% Muggy 2.5 Moderate Poor View Details
March 12°C / 2°C 9°C / -1°C 11days (50 mm) Wet 8.1h Good 70% Muggy 3.8 Moderate Poor View Details
April 17°C / 6°C 15°C / 4°C 11days (53 mm) Wet 10.1h Excellent 68% Muggy 5.1 High Fair View Details
May 20°C / 10°C 20°C / 9°C 15days (82 mm) Wet 10.7h Excellent 73% Muggy 6 High Good View Details
June best 26°C / 15°C 27°C / 16°C 15days (75 mm) Wet 12.3h Excellent 71% Muggy 6.7 High Excellent View Details
July best 27°C / 17°C 29°C / 18°C 13days (77 mm) Wet 12.3h Excellent 66% Muggy 6.7 High Excellent View Details
August best 28°C / 17°C 29°C / 18°C 11days (61 mm) Wet 11.6h Excellent 64% Muggy 6.2 High Excellent View Details
September best 23°C / 13°C 22°C / 12°C 8days (52 mm) Wet 9.3h Good 69% Muggy 4.6 Moderate Excellent View Details
October best 17°C / 7°C 15°C / 6°C 7days (37 mm) Good 7.2h Good 75% Muggy 3 Moderate Good View Details
November 11°C / 4°C 9°C / 1°C 11days (54 mm) Wet 5.1h Fair 82% Humid 1.8 Low Poor View Details
December 6°C / 0°C 3°C / -3°C 10days (52 mm) Wet 4.4h Fair 83% Humid 1.4 Low Poor View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

September is typically excellent for visiting Deva, with average highs of 23°C (73°F) and around 8 rainy days. Deva, Romania in September has warm conditions, with highs averaging 22.8°C (73°F). Temperatures drop noticeably between
Deva typically sees around 8 rainy days in September with 52 mm (2 in) of total rainfall. An umbrella should suffice.
Evenings in Deva during September are mild at 13°C (55°F). A light cardigan is usually enough.
With highs of 23°C (73°F) and lows of 13°C (55°F) in September, we recommend: Umbrella, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, September offers some of the best weather conditions in Deva with comfortable temperatures and lower chances of rain.
The average UV index in Deva during September is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Deva gets approximately 13 hours of daylight per day in September, with around 9 hours of sunshine.
Snow is uncommon in Deva during September based on 10-year climate averages.

Last updated: