Seelze weather in September

In September, Seelze sees average daytime highs of 19°C and overnight lows near 11°C, with 56 mm of rain across 10.6 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 18% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Seelze's 4th-clearest and 8th-windiest month. For the whole year in context, see Seelze's year-round climate.

Daytime high
19°
4th warmest
Overnight low
11°
9th coldest
Rainfall
56 mm
10.6 wet days
Daylight
12 h 24 min
6:04 AM – 6:28 PM
Cloud cover
67%
4th clearest
Wind
12 km/h
8th windiest
Solar energy
2.94 kWh/m²
Travel score
5.8
out of 10

Seelze is human settlement in Seelze, Region hannover, Germany.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 17°C by the end.

A typical September day in Seelze reaches about 19°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52012
62012
72012
82012
92011
102011
112011
121911
131911
141911
151911
161911
171910
181910
191810
201810
211810
221810
231810
241810
251710
261710
27179
28179
29179
30169

How September really feels in Seelze

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Seelze weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6212.62.880.0
Feb / 4710.739.50.2
Mar / 5411.81.511.51.7
Apr14° / 4710.70.213.64.0
May18° / 5710.8015.45.6
Jun21° / 12°6211.4016.56.0
Jul23° / 14°7512.4016.16.4
Aug23° / 14°6812.1014.56.4
Sep19° / 11°5610.6012.45.8
Oct14° / 6011.5010.33.7
Nov / 5411.40.78.51.3
Dec / 6312.52.77.50.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23367
33466
43466
53664
63664
73565
83565
93664
103664
113664
123664
133565
143664
153664
163664
173664
183565
193565
203565
213565
223367
233367
243367
253367
263169
273169
283169
292971
302971

Chance of precipitation in September

Any precipitation

Seelze gets around 56 mm of rain over 10.6 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
436
536
636
736
836
936
1036
1136
1235
1335
1434
1534
1634
1734
1834
1934
2034
2134
2235
2335
2436
2537
2638
2739
2840
2941
3041

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1682471
2702460
3702460
4712450
5722350
6732340
7732340
8742240
9752230
10762130
11772030
12781930
13801820
14811720
15821620
16831520
17851410
18861310
19871210
20881110
21881110
22881110
23901000
24901000
25901000
26901000
27901000
28901000
29901000
30901000

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over September. Sunrise moves from 5:38 AM to 6:28 AM, and sunset from 7:04 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:387:04
213.45:407:02
313.35:427:00
413.25:436:57
513.25:456:55
613.15:476:52
713.05:486:50
813.05:506:48
912.95:526:45
1012.85:546:43
1112.75:556:40
1212.75:576:38
1312.65:596:35
1412.56:006:33
1512.56:026:30
1612.46:046:28
1712.36:066:26
1812.36:076:23
1912.26:096:21
2012.16:116:18
2112.16:136:16
2212.06:146:13
2311.96:166:11
2411.86:186:08
2511.86:196:06
2611.76:216:03
2711.66:236:01
2811.66:255:59
2911.56:265:56
3011.46:285:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.94 kWh/m².

For context, solar energy here swings from a low near 0.51 kWh/m² to a high of 5.25 kWh/m² in June across the year — September's 2.94 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.4Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.2Moderate
103.2Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.0Moderate
153.0Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.3Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Seelze?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.8
Sightseeing
4th-best month of the year
2.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Seelze for sightseeing.

What to pack for Seelze in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Seelze sees daytime highs around 19°C and nights near 11°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Seelze in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Seelze peaks around July 12 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug5High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Seelze?

Seelze sits at 52.4°N, 9.6°E, 50 m above sea level, in Germany. The nearest listed city is Garbsen, 2.0 km away.

Topography around Seelze

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Seelze.

Within 3 km, the terrain around Seelze has only modest variations in elevation — a maximum elevation change of 42 m around an average of 55 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 315 m; within 80 km, large variations in elevation — a maximum elevation change of 755 m.

The land around Seelze is covered by cropland (35%), trees (27%) and artificial surfaces (24%) within 3 km, cropland (35%) and trees (31%) within 16 km, and cropland (42%) and trees (38%) within 80 km.

3 km
42 m
16 km
315 m
80 km
755 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Garbsen 2.0 km · Linden-Nord 8.0 km · Nordstadt 8.0 km · Linden 9.0 km · Ronnenberg 9.0 km · Hannover 10 km · Langenhagen 11 km · Südstadt 11 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Seelze (52.3963°, 9.5973°, elevation 50 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).