Vimercate, Italy — Weather in September 2026

Monthly climate averages for Vimercate, Italy. Based on 10-year ERA5 reanalysis data.

Cfa Humid Subtropical
8.4 /10
Excellent

September is an excellent month in Vimercate

Climate Overview

Vimercate, Italy in September has warm conditions, with highs averaging 22.7°C (73°F). Rain falls on about 11 days this month.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 25°C (76°F) at the start to 21°C (69°F) by month's end.

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

Expect around 11.0h of sunshine at the start of September, decreasing to 9.8h by the end.

The warmest days tend to fall around the 11th, averaging 24.7°C (76°F).

Compared to August, this month is about 5°C cooler with 1 more rainy days. Temperatures begin dropping heading into October.

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Monthly September Averages

Temperature
23°C / 14°C
Feels Like
24°C / 14°C
Rain
11 days · 122 mm
Sunshine
10h / day
Humidity
75% — Humid
Wind
10 km/h
Wind Direction
NNE (31°)
Gusts
22 km/h
Daylight
12.5 h
Cloud Cover
49%
Clear Sky Days
5.1
UV Index
4.7 — Moderate
Dew Point
14°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
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 10 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 07:02
Daylight 12.6h
Sunset 19:37

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.

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

Compare Months

January
Poor
Temp
8°C / -1°C
Feels Like
5°C / -5°C
Rain
7days (46 mm) Good
Sun
6.2h Fair
Humidity
78% Humid
UV
1.5 Low
Snow Days
1days
View Details
February
Poor
Temp
10°C / 1°C
Feels Like
8°C / -3°C
Rain
7days (67 mm) Good
Sun
6.9h Fair
Humidity
78% Humid
UV
2.2 Moderate
Snow Days
1days
View Details
March
Fair
Temp
13°C / 3°C
Feels Like
11°C / 0°C
Rain
8days (79 mm) Wet
Sun
8.8h Good
Humidity
72% Muggy
UV
3.4 Moderate
Snow Days
1days
View Details
April best
Good
Temp
17°C / 7°C
Feels Like
16°C / 4°C
Rain
9days (87 mm) Wet
Sun
10.5h Excellent
Humidity
69% Muggy
UV
5 Moderate
View Details
May
Good
Temp
21°C / 11°C
Feels Like
21°C / 10°C
Rain
15days (145 mm) Wet
Sun
10.9h Excellent
Humidity
72% Muggy
UV
6 High
View Details
June best
Excellent
Temp
26°C / 16°C
Feels Like
28°C / 17°C
Rain
11days (114 mm) Wet
Sun
12.9h Excellent
Humidity
69% Muggy
UV
6.8 High
View Details
July best
Excellent
Temp
28°C / 18°C
Feels Like
31°C / 19°C
Rain
12days (120 mm) Wet
Sun
12.8h Excellent
Humidity
68% Muggy
UV
6.9 High
View Details
August best
Excellent
Temp
28°C / 18°C
Feels Like
30°C / 20°C
Rain
10days (118 mm) Wet
Sun
11.9h Excellent
Humidity
68% Muggy
UV
6.1 High
View Details
September best
Excellent
Temp
23°C / 14°C
Feels Like
24°C / 14°C
Rain
11days (122 mm) Wet
Sun
10h Excellent
Humidity
75% Muggy
UV
4.7 Moderate
View Details
October
Good
Temp
18°C / 10°C
Feels Like
18°C / 8°C
Rain
10days (127 mm) Wet
Sun
7.4h Good
Humidity
80% Humid
UV
2.8 Moderate
View Details
November
Fair
Temp
12°C / 4°C
Feels Like
10°C / 1°C
Rain
10days (114 mm) Wet
Sun
5.8h Fair
Humidity
83% Humid
UV
2 Low
View Details
December
Poor
Temp
8°C / 0°C
Feels Like
6°C / -3°C
Rain
6days (67 mm) Good
Sun
5.3h Fair
Humidity
83% Humid
UV
1.4 Low
Snow Days
2days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 8°C / -1°C 5°C / -5°C 7days (46 mm) Good 6.2h Fair 78% Humid 1.5 Low Poor View Details
February 10°C / 1°C 8°C / -3°C 7days (67 mm) Good 6.9h Fair 78% Humid 2.2 Moderate Poor View Details
March 13°C / 3°C 11°C / 0°C 8days (79 mm) Wet 8.8h Good 72% Muggy 3.4 Moderate Fair View Details
April best 17°C / 7°C 16°C / 4°C 9days (87 mm) Wet 10.5h Excellent 69% Muggy 5 Moderate Good View Details
May 21°C / 11°C 21°C / 10°C 15days (145 mm) Wet 10.9h Excellent 72% Muggy 6 High Good View Details
June best 26°C / 16°C 28°C / 17°C 11days (114 mm) Wet 12.9h Excellent 69% Muggy 6.8 High Excellent View Details
July best 28°C / 18°C 31°C / 19°C 12days (120 mm) Wet 12.8h Excellent 68% Muggy 6.9 High Excellent View Details
August best 28°C / 18°C 30°C / 20°C 10days (118 mm) Wet 11.9h Excellent 68% Muggy 6.1 High Excellent View Details
September best 23°C / 14°C 24°C / 14°C 11days (122 mm) Wet 10h Excellent 75% Muggy 4.7 Moderate Excellent View Details
October 18°C / 10°C 18°C / 8°C 10days (127 mm) Wet 7.4h Good 80% Humid 2.8 Moderate Good View Details
November 12°C / 4°C 10°C / 1°C 10days (114 mm) Wet 5.8h Fair 83% Humid 2 Low Fair View Details
December 8°C / 0°C 6°C / -3°C 6days (67 mm) Good 5.3h 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

UmbrellaWaterproof jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

September is typically excellent for visiting Vimercate, with average highs of 23°C (73°F) and around 11 rainy days. Vimercate, Italy in September has warm conditions, with highs averaging 22.7°C (73°F). Rain falls on about 11 days this
Vimercate typically sees around 11 rainy days in September with 122 mm (4.8 in) of total rainfall. Pack a waterproof jacket.
Evenings in Vimercate during September are mild at 14°C (57°F). A light cardigan is usually enough.
With highs of 23°C (73°F) and lows of 14°C (57°F) in September, we recommend: Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, September offers some of the best weather conditions in Vimercate with comfortable temperatures and lower chances of rain.
The average UV index in Vimercate during September is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Vimercate gets approximately 13 hours of daylight per day in September, with around 10 hours of sunshine.
Snow is uncommon in Vimercate during September based on 10-year climate averages.

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